Exam 3 Test Questions
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
If somatic motor neuron fires an action
potential, then _____
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
a. Acetylcholine is released from the axon
terminal
b. A skeletal muscle is triggered to contract
c. The response is always excitatory
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Major centers concerned with autonomic
control of breathing, blood pressure, heart
rate, and digestive activities are located in the
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Medulla oblongata
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Each peripheral nerve provides _____
innervations of specific structures.
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
a. Motor
b. Sensory
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Some of the fibers that form the spinothalamic
tracts are damaged before they decussate
(cross) the midline. This type of injury would
affect?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
a. Motor function on the same side as the
damage
b. Sensory function on the same side of the
damage
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The primary motor cortex is located in the
region of the
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Precentral gyrus
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Which statements apply to the parasympathetic
division of the nervous system?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
a. It is dominant during “rest and digest”
b. ACh is the primary neurotransmitter
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The sympathetic nervous system is characterized
by peripheral ganglia near the
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Spinal cord and by long postganglionic fibers
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
If the dorsal root of a spinal nerve were cut,
what would be the result in the tissue or
region that nerve supplies
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Complete loss of sensation
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Receptors on post ganglion neurons of the
sympathetic nervous system are?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Nicotinic
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
An alien retrieved alive from a crashed UFO has
had a through medical examination. A
hormone with a distinct but similar structure
to epinephrine has been isolated, and named
ufo-epi. Which of the following responses in
humans administered a physiological dose of
ufo-epi would indicate it is indeed an
epinephrine agonist?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Increase in fatty acids in the blood
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Sympathetic fibers leave the spinal cord in the
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Thoracolumbar region and the post ganglionic
fibers secrete norepinephrine
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
If the ventral root of a spinal nerve were cut,
what would be the result in the tissue or
region that nerve supplies?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
A complete loss of voluntary movement
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The site of origin of the preganglionic fibers of
the parasympathetic nervous system is
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The brain stem and the sacral region of the
spinal cord
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The targets include smooth muscle, cardiac
muscle, many exocrine glands, a few
endocrine glands and some adipose tissue.
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
This is a true statement only for both of these
divisions of the nervous system
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Contains cholinergic neurons
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
This is a true statement only for both of these
divisions of the nervous system
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Pathways have single neuron origination in the
CNS and projecting its axon to the target
tissue.
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
This is not true for either of these divisions of
the nervous system
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
All axons are myelinated
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
This is not true for either of these divisions of
the nervous system
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The larger the receptor field, the
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Harder it is to discriminate the exact point of
stimulation
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The auditory cortex is located in the
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Temporal lobe
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Lystra is in an automobile accident and injures
her spinal cord. She has lost feeling in her
right hand and her doctor tells her that it is
the result of swelling in the spinal cord. Which
part of her cord is likely to be compressed?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
An ascending tract
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The central nervous system interprets signal
frequency as
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Stimulus intensity
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
We are able to perceive the pitch of a sound
because
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Different parts of the basilar membrane vibrate
at different frequencies of sound
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Target receptor for preganglionic neurons
contain
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Cholinergic nicotinic receptors
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The ventral root ganglia
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Do not exist
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Nicotinic receptors
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Are found at the neuromuscular junction of
skeletal muscle
May be located on the postganglionic fibers of
the sympathetic nervous system
Are found in the parasympathetic nervous
system
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Which of the following is NOT a target of
autonomic neurons?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
a.
b.
c.
d.
Smooth muscle
Adipose tissue
Cardiac muscle
Exocrine glands
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Transduction involves
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
a. A stimulus altering the permeability of a
receptor membrane
b. Changes in the transmembrane potential of
the sensory receptor
c. Production of a receptor potential
d. Generation of an action potential that can be
processed and interpreted by the CNS
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The structure that separates the cochlear duct
(scala media) from the tympanic duct (scala
tympani) is
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Basilar membrane
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The primary purpose of the auditory ossicles is
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
To amplify vibration
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
What structures monitor rotational movements
of the head?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Cristae and the semicircular canals
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Our perception of the pull of gravity and linear
acceleration is the result of
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The pressure exerted by the otolithic organ on
hair cells of the maculae
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Varicousities
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
a. Are found in the autonomic division
b. Are enlarged regions found along the axon
c. Store and release neurotransmitters
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The term axonal transport refers to
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Vesicle transport of proteins and organelles
down the axon
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
The ciliary muscle helps to
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Control the shape of the lens
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
The vitreous chamber of the eye
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Helps to stabilize it and gives physical support to
the retina
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Which of the following is NOT a function of
smooth muscle
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Forcing blood from the heart into the major
arteries
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
The lacrimal apparatus
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
a. Is a system of glands and ducts
b. Keeps the cornea moist with continuous tear
flow
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Information about sound must pass through
each of these areas of the brain. Put them in
the correct order.
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
a.
b.
c.
d.
Medulla
Midbrain
Thalamus
Auditory cortex of cerebrum
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Tonic receptors
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
a. Are slowly adapting receptors
b. Are activated by parameters that must be
continuously monitored by the body
c. Are proprioreceptors, for example
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Vibrations received in the ear are amplified by
the action of the
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Bones of the middle ear
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
The purpose of transverse tubules is to
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Rapidly conduct the action potentials to the
interior of the muscle fiber
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
The I band contains
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Thin filaments
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Ca2+ is important in the contraction of smooth
muscle. Which of the following is NOT true
about smooth muscle contraction?
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Contraction is immediately triggered by
calmodulin binding
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
An important difference between single-unit
and multi-unit smooth muscle is
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Numerous gap junctions in single-unit muscle,
which allow many cells to work together as a
sheet
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
The ossicles connects the
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Tympanic membrane to the oval window
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
A viral infection involving the vestibular nuclei
may result in
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
A sense of dizziness
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
The structure that separates the cochlear duct
from the tympanic duct is the
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Basilar membrane
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
The loudness or intensity of a sound wave is
related to its
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Amplitude
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Which description is NOT correctly matched to
the tissue
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Skeletal muscle – always attached to bones
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
As ATP binds to the myosin head at the
beginning of a muscle contraction cycle
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
The myosin head detaches from actin
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
The intensity of a stimulus can be determined by
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
a. Population coding
b. Frequency coding
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Excitation-contraction coupling refers to _____
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
The chemical and electrical events that trigger
the mechanical events in a muscle fiber
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
The thick, gel-like fluid that helps support the
structure of the eyeball is the
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Vitreous humor
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
At the conclusion of the power stroke
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
a. Inorganic phosphate has been released from
the myosin
b. Actin has been moved toward the M line
c. ADP is released from the myosin head
d. The myosin head is tightly bound to actin
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Displacement of stereocilia toward the
kinocilium of a hair cell
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Produces a depolarization of the membrane
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
The receptors in the inner ear are the
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Hair cells
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Transduction involves
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
a. A stimulus altering the permeability of a
receptor membrane
b. Change in the transmembrane potential of
the sensory receptor
c. Production of a receptor potential
d. Generation of an action potential that can be
processed and interpreted by the CNS
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Which of the following statements is true about
titin?
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
a. Titin returns stretched muscles to their
resting length
b. Titin stabilizes the position of the contractile
filaments
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Fast pain, usually described as sharp and
localized, is carried by
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Small, myelinated A-delta fibers
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Central fatigue _____.
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
a. Include feeling tired
b. May precede physiological muscle fatigue
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Sensations of gravity and linear acceleration are
registered in the
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Saccule and utricle
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
The _____ of a sensory receptor may be
irregular in shape and overlap with those of
neighboring receptors. The size of this area
determines the sensitivity to a stimulus.
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Receptive field
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
The force generated by a single muscle fiber
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
a. Can be increases by increasing the frequency
of action potentials
b. Can be increased due to summation
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
What structures monitor vertical movements?
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Maculae of the saccule
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
Light passes through the following structures in
which order?
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2007)
a.
b.
c.
d.
Cornea
Aqueous humor
Lens
Vitreous humor
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
The tough, outer layer of connective tissue that
covers most of the eyeball is the
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Sclera
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
An individual fascicle in a skeletal muscle is
surrounded by
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Perimysium
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Cortisol is secreated by the adrenal cortex in
response to stress. In addition to its function
in a stress response, it functions in negative
feedback by
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Inhibiting the hypothalamus so that
corticotropin releasing hormone (CRH)
secretion is reduced
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Smooth muscle uses which of the following as a
source of calcium?
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Extracellular fluid
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
The pitch of sound is determined by the _____
of vibrations, and in that respect is most
similar to the _____ of light.
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Frequency; color
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
The _____ component of the _____ nerve
innervates the sino-atrial node and
atrioventricular node of the vertebrate heart.
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Parasympathetic; vegas
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
A vertebrate motor unit is
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
A motor neuron and the muscle fibers it
innervates
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Which of the following does NOT affect the
tension that can be developed by a muscle
fiber?
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
The number of motor units recruited
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Sympathetic stimulation of the heart increases
cardiac output by
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
a. Increasing heart rate
b. Increasing the rate at which the pacemaker
potential depolarizes to threshold
c. Increasing the number of cross-bridges that
can form during contraction
d. Increasing the strength of contraction
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
During the bending (power stroke) of
contraction
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
P, and ADP attach to myosin
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
At optimal muscle length when maximum
tension can be developed
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Thin filaments are pulled out maximally from
thick fibers
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Which process of muscle contraction requires
energy expenditure?
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
a. Hydrolysis of ATP to detach troponin from
myosin
b. Moving calcium into the sarcoplasmic
reticulum
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
In an isotonic contraction, the muscle
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Changes length and moves the “load”
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Which of the following is an important
difference between the nervous system and
the endocrine system?
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
The speed of response is different
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Functions of smooth muscle include
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
a. Moving blood through vessels
b. Squeezing and propelling substances through
hollow organs
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Due in part to the physical properties of the
basilar membrane, the cochlea is tuned so
that
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
High frequency sounds are perceived optimally
at the base of the narrow end of the cochlea
(toward the oval window)
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Sound traveling through air tends to bounce off
water, due to the latter’s lesser
compressibility. You may have noticed how
little conversation you can hear when you’re
submerged. However, even in normal hearing
sound waves have to pass from air to liquid as
sound is transmitted from the external car to
the inner ear. This is accomplished by
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
a. Increasing the pressure on the oval window,
relative to the tympanic membrane, thanks
to the former’s smaller area.
b. Increase the force applied to the oval
window, relative to the tympanic membrane,
thanks to the lever action of the inner ear
ossicles
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
In the mammalian vestibular apparatus, the
_____ are used to detect _____ while the
_____ are used to detect _____.
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Semicircular canals; angular acceleration; otolith
organs; linear acceleration
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
A tropic hormone
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
None of the above, . Look up answer
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
In the cortex of the musculoskeletal system, an
origin is
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
The site of insertion of a muscle into a bone that
is relatively immobile
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
The ability of muscle to relax is based in part on
the presence of
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Series of elastic elements that exert force in the
direction opposite of the force generated
during contraction
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
An isometric contraction is a contraction in
which
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Tension (or force) increases, but length stays the
same
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
The frequency of a sound is indicated to the
nervous system by the
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Animal Physiology Spring 2007)
Region of the inner ear that is stimulated
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Asynchronous recruitment
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
a. Helps avoid fatigue during sustained muscle
contractions
b. Refers to different motor units taking turns
maintaining muscle tension
c. Makes an entire muscle seem to contract
smoothly
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
The depolarization phase of the conducting
system muscle action potential is the result of
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Increase membrane permeability to calcium ions
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Skeletal muscle at rest receive about _____ of
the cardiac output. During exercise as much as
_____
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
20%; 85%
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Contractions of the papillary muscles
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Prevent the atrioventricular valves from
projecting into the atria
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
In the arm, the biceps brachii act as flexor
whereas triceps brachii act as extensor. Which
of the following statements is true?
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
a. The biceps brachii would be the primary
muscle responsible for movement of the
hand and forearm toward the shoulder.
b. These muscles are an example of antagonistic
muscle groups
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
In muscles used for fine actions, such as
controlling eye movement or use of the hand,
a motor unit will have _____ muscle fibers
when compared to a motor unit in muscles
used for power and strength.
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Very few
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Put these events in the correct chronological
sequence
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
1. Ach binds to receptors on motor end plate
2. Chemically regulated ion channels open, causing
depolarization
3. End plate potential triggers action potentials
4. Transverse tubules convey potentials into the interior
of the cell
5. Ca2- is released from the sarcoplasmic reticulum
6. Ca2- ions bind to troponin-C, pulling on tropomyosin
7. Binding sites on actin are uncovered, allowing myosin
to bind and carry out power strokes
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Blood flow to a tissue will increase if the
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Level of carbon dioxide at the tissue increases
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
In living muscle at rest, which situation is most
common?
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
The myosin head is not attached to any
molecule
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
A contraction that generates force and moves a
load is known as _____, whereas one that
generates force without movement is known
as _____.
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Isotonic; isometric
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Which of the following is a function of smooth
muscle?
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Forcing urine out of the urinary tract
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
In muscle contraction, calcium apparently acts
to
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Remove the blocking action of tropomyosin
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Within a single fiber, the tension developed
during a twitch depends on
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
The length of the sarcomeres prior to
contraction
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Which statement is true?
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
a. Myosin is a motor protein that converts the
chemical bond energy of ATP into the
mechanical energy of motion.
b. Each myosin molecules acts as an enzyme
which both binds ATP and releases its energy
c. The energy released by ATP produces the
power stroke by swiveling the myosin head.
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
_____ is made of multiple globular molecules
polymerized to form long chains or filaments.
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Actin
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
The A band contains
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
a. Thick filaments
b. Thin filaments
c. An area of overlapping filaments
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Contraction of vascular smooth muscle is
regulated by
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
a.
b.
c.
d.
Ca2Hormones
Paracrines
Neurotransmitters
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
The power stroke begins when
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
The inorganic phosphate and ADP are released
from the myosin
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
When comparing complete tetanus with
unfused tetanus, which is true?
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
a. In complete tetanus, no relaxation occurs
between stimuli
b. In complete tetanus, maximum tension is
developed
c. In complete tetanus, the muscle fiber is
stimulated at a higher frequency
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
In smooth muscle
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2008)
Calcium ions do not bind to troponin molecules
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
The sliding filament of contraction involves
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Actin and myosin sliding past each other but not
shortening
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Contraction of the papillary muscles
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Prevent the atrioventricular valves from
projecting into the atria
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
The _____ ear collects sound waves and
transmits them to the _____ ear, which
contains sensory organs for hearing.
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
middle; inner
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Damage to the fovea of the eye would interfere
with the ability to
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
See color
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
The lens focuses light on the photoreceptor cells
by
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Changing shape
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
The cartilaginous structure that surrounds the
external auditory meatus is the
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Pinna
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
The shape of the lens is controlled by the
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Ciliary muscle
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Which of the following is NOT characteristic of
smooth muscle
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Smooth muscle connective tissue forms tendons
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
The depolarization phase of the conducting
system muscle action potential is the result of
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Increased membrane permeability to calcium
ions
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Which of the following would act as a stimulus
to initiate a muscle contraction
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
a. Hormonal activity
b. Neurotransmitters
c. A change in the pH of a muscle
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
In muscle contraction, calcium apparently acts
to
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Remove the blocking action of tropomyosin
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
The amount of blood flow to skeletal muscle is
greatly increased during exercise. This
redirection of blood into muscle is
accomplished by
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Contraction of muscle in the walls of arterioles
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Vibrations received in the ear are amplified by
the action of the
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Auditory ossicles
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
The bacterium that causes tetanus produces a
toxin that affects the central nervous system
and skeletal muscle producing powerful
tetanic contractions of the skeletal muscle.
The toxin probably acts by
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Making the cells less permeable to sodium ions
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
In the sympathetic nervous system,
preganglionic fibers are _____ and post
ganglionic fibers are _____.
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Short; long
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
All muscles cells are elongated and are therefore
called muscle fibers.
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
False
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
Put these is order
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2006)
a. Acetylcholine binds to receptors on the motor end
plate
b. Chemically regulated ion channels open, causing
depolarization
c. End plate potentials trigger action potentials
d. Transverse tubules convey action potentials into the
interior of the muscle fiber
e. Ca2+ is released from the saracoplasmic reticulum
f. Ca2+ ions bind to troponin-C, pulling on tropomyosin
g. Binding sites on actin are uncovered, allowing myosin
to bind and carry out power strokes
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2005)
The depolarization phase of the conduction
system muscle action potential is the result of
http://www.jasonjones.co/biol3345.html
Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2005)
Increased membrane permeability to sodium
ions
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2005)
In muscle contraction, calcium apparently act to
http://www.jasonjones.co/biol3345.html
Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2005)
Remove the blocking action of tropomyosin
http://www.jasonjones.co/biol3345.html
Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
The cytoplasm of a skeletal muscle fiber is called
the
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
sarcoplasm
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
The detachment of myosin cross-bridges is
directly triggered by
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
The attachment of ATP to myosin heads
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
Muscle fibers differ from “typical cells” in theat
muscle fibers
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
Have many nuclei
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
At rest, the active sites on the the actin are
blocked by
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
Tropomyosin molecules
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
Which of the floowoing is NOT a characteristic of
smooth muscle
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
Smooth muscle connective tissue forms tendons
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
According to the length-tension relationship
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
a. There is an optimum range of actin and
myosin overlap that will produce the greatest
amount of tension
b. The greater the zone of overlap in the
sarcomere the greater the tension the
muscle can develop
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
Materials can move across capillary walls by
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
Diffusin and osmosis
Active transport and bulk flow
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
Which of the following is most correct
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
Myofilaments are sliding during isotonic
contraction
The A band does not shorten during isotonic
contraction
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Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
http://www.jasonjones.co/biol3345.html
Human Physiology BIOL 3345
Exam 3 Pervious Test Questions (Spring 2004)
http://www.jasonjones.co/biol3345.html