Exam 2 Test Questions
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Membrane potential:
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
a. Refers to a separation of charges across the
membrane or to a difference in the relative
number of + and - charges in the ECF and ICF
b. Is measured in the units of millivolts with the
sign always designating the charge or the
outside
c. Is less at the equilibrium potential for K+ than
at resting membrane potential
d. Cannot be measured easily
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
At resting membrane potential:
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
a. The membrane is more permeable to K+ than
to Na+
b. Cl- is at its equilibrium potential
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Which term below best describes an excitable
tissue when a resting membrane potential is
present?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Polarized
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Human Physiology BIOL 3345
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The spinal cord has grey matter on the:
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Human Physiology BIOL 3345
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Inside, white matter on the outside, and a
ventral motor root
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
The brainstem consists of the:
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Human Physiology BIOL 3345
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Midbrain, medulla, and pons
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Human Physiology BIOL 3345
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The ion needed to initiate the release of
acetylcholine into the synaptic cleft is:
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Calcium
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Which of the following statements concerning
hormones is INCORREST?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
A single hormone can influence only one type of
target cell
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Astrocytes:
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Human Physiology BIOL 3345
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Induce formation of the blood brain barrier
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Human Physiology BIOL 3345
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Graded potentials:
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
a. Are local changes in membrane potential that
occur in varying degrees of magnitude
b. Serve as short-distance signals
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
IPSP is associated with:
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Hyperpolarization
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
On which lobe would one expect to find the
primary sensory cortex?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Parietal
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Human Physiology BIOL 3345
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A second nerve impulse cannot be generated
until:
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
The membrane potential has been reestablished
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Hormones are classified into the following types:
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Human Physiology BIOL 3345
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Amines, peptides, and steroids
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Human Physiology BIOL 3345
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The difference between electronic and saltatory
conduction is that:
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Saltatory conduction requires the presence of
myelin
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Which of the following statements concerning
peptide hormones is INCORECT?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Peptides hormones circulate largely bound to
plasma proteins
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Graded potentials:
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
May involve either depolarization or
hyperolarization
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
The role of acetylcholinesterase is to:
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Destroy Ach a brief period after its release by
the axonal endings
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
In which of the following would the rate of
impulse conduction be the greatest?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
A myelinated fiber 20 microns in diameter
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Human Physiology BIOL 3345
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Somatomedins are released from the liver in
response to:
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Increased plasma growth hormone levels
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Human Physiology BIOL 3345
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During the rising phase of the action potential:
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Na+ permeability is much greater than K+
permeability
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Human Physiology BIOL 3345
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The interior of the cell becomes less negative
due to an influx of sodium ions:
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Depolarization
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Human Physiology BIOL 3345
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The specific period during which potassium ions
diffuse out of the neuron due to a change in
membrane permeability.
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Repolarization
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Human Physiology BIOL 3345
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Branches that sometimes occur along the length
of axon are called?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Collaterals
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Human Physiology BIOL 3345
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The subdural space:
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Human Physiology BIOL 3345
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Contains cerebrospinal fluid
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
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 2006)
A complete loss of voluntary movement
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Human Physiology BIOL 3345
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The posterior pituitary:
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Human Physiology BIOL 3345
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Is composed of nervous tissue
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Select the statement that is most correct:
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Human Physiology BIOL 3345
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Ganglia exist outside the spinal cord
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Human Physiology BIOL 3345
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In the process of negative feedback:
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Human Physiology BIOL 3345
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Thyroid hormones inhibit TSH secretion by the
anterior pituitary
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Human Physiology BIOL 3345
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Myelinated axons conduct impulses much faster
because:
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
a. The myelin insulates the axon
b. Channels only have to open at the nodes
c. Voltage is not lost through and along
myelinated areas of saltatory conduction
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
The all-or-none principle states that:
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
All stimuli great enough to bring the membrane
to threshold will produce identical action
potentials
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
In a condition known as hypercalcemia, the level
of calcium in the blood and interstitial fluid is
lower than normal. How would this condition
affect the function of the nervous system?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Less neurotransmitter would be released in
response to an action potential
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Which of the following nerve fibers will have the
highest conduction velocity?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
a. A myelinated fiber lager than the nerve fiber
A
b. Nerve fiber A is unmyelinated fiber with a
velocity of .35m/sec
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
The cranial nerves that are involved in
controlling eye movement are:
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
III, IV, VI
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Because of the presence of both activation and
inactivation gates, voltage-gated Na+ channels
can:
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Human Physiology BIOL 3345
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a. Be closed but capable of opening
b. Be activated
c. Be closed and not capable of opening
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
If a 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)
Which statement regarding CSF production and
flow is correct?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
CSF enters the meningeal layer through the
cerebral aqueduct
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Human Physiology BIOL 3345
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Hormone secretion from the anterior pituitary
gland is controlled:
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Human Physiology BIOL 3345
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a. By the hypophysiotropic hormones from the
hypothalamus
b. By negative-feed back action of target-tissue
hormones
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Human Physiology BIOL 3345
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Major centers concerned with autonomic
control of blood pressure, heart rate, and
digestive activates and located in the
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Human Physiology BIOL 3345
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Medulla oblongata
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Human Physiology BIOL 3345
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The specificity of hormones is due to:
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Human Physiology BIOL 3345
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Specialization of target –cell receptors
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Human Physiology BIOL 3345
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Which of the following is a charge that may be
caused by a hormonal stimulus?
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a. A change in the membrane potential
b. The stimulation of genetic even resulting in
protein synthesis
c. An increase in enzymatic activity
d. Mitosis
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2006)
Each of the following is a function of the
nervous system, EXCEPT
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Human Physiology BIOL 3345
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Direction activities that continue for extended
periods such as growth and pregnancy
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Which of the following represent long-loop
negative feedback in the CRH-ACTH-cortisol
system?
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Human Physiology BIOL 3345
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Cortisol inhibits CRH secretion
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The innermost layer of the meninges, delicate,
contains many blood vessels.
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Pia mater
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The weblike, spidery middle meningeal layer
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Arachnoid
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Interneurons
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Are found only in the central nervous system
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How does blocking the ability for retrograde
flow in an axon affect the activity of a neuron?
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Human Physiology BIOL 3345
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The soma is unable to respond to changes in the
distal end of the neuron
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Human Physiology BIOL 3345
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Each peripheral nerve provides _____
innervations to specific structures
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Human Physiology BIOL 3345
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Motor and/or sensory
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Aldosterone is a mineralocorticoid produced in
the adrenal gland and the most abundant
True or false
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Human Physiology BIOL 3345
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True
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ACTH, FSH, and ADH are secreted by the
adenohypophysis
True or false
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Human Physiology BIOL 3345
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False
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The chief cells of the parathyroid gland produce
a hormone that:
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Human Physiology BIOL 3345
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Increase the level of calcium ions in the blood
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A hormone may:
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Human Physiology BIOL 3345
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a. Stimulate the synthesis of an enzyme or
structural protein not already present in the
cytoplasm by activation appropriate genes in
the cell nucleus
b. Increase or decrease the rate of synthesis of
a particular enzyme or other protein by
changing the rate of transcription
c. Turn an existing enzyme on or off by
changing its shape and structures
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2005)
Wakamba decided to prepare for the second
physiology exam by putting his animal
physiology text under his pillow in hopes that
the information would diffuse in a manner to
be recollected during the exam. After waking
with a pain in the neck and subsequently
failing the exam, Wakamba decided that
reading the text might be a more effective way
to prepare for future exams. Is this an example
of learning?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2005)
Yes, because Wakamba acquired knowledge as a
result of this experience
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Human Physiology BIOL 3345
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A shallow groove on the surface of the cortex is
called a:
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Sulcus
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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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a. Motor function on the same side as the
damage
b. Sensory function on the same side as the
damage
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The interior of the cell becomes less negative
due to an influx of sodium ions
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Depolarization
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The specific period during which potassium ions
diffuse out of the neuron due to a change in
membrane permeability
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Repolarization
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Human Physiology BIOL 3345
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The primary motor cortex is located in the
region of the
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Precentral gyrus
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Human Physiology BIOL 3345
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Which statement apply to the parasympathetic
division of the nervous system?
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a. It is dominant during “resting and digestion”
b. Its ganglia are nearby, within or on their
target organs
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Human Physiology BIOL 3345
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Cerebrospinal fluid
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Is secreted mostly by the ependymal cells ling
the brain
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Human Physiology BIOL 3345
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The sympathetic nervous system is characterized
by peripheral ganglia near the
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Human Physiology BIOL 3345
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Spinal cord and by long postganglionic fibers
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
If the dorsal root of a spinal nerve were cut,
what would be the result in the tissue or
region that nerve supplied?
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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
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Receptors on postganglionic neurons of the
sympathetic nervous system are?
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Human Physiology BIOL 3345
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Nicotinic
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Human Physiology BIOL 3345
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An alien retrieved alive from a crashed UFO has
had a thorough medical examination. A
hormone with a distinct but similar structure
to epinephrine has been isolated and named
ufo-epi. Which of the following response in
humans administered a physiological dose of
ufo-epi would indicate it is indeed and
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
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Branches that sometimes occur along the length
of an axon are called
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
collaterals
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Human Physiology BIOL 3345
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Sympathetic fibers leave the spinal cord in the:
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Thoracolumbar region and post ganglionic fiber
secrete norepinephrine
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Human Physiology BIOL 3345
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If the ventral root of a spinal nerve were cut,
what would be the result in the tissue of
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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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
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Pathways have a single neuron origination in the
CNS and projecting its axons to the target
tissue
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Human Physiology BIOL 3345
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This is not true for either of these divisions of
the nervous system
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Human Physiology BIOL 3345
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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
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Membrane potential
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
a. Refers to a separation of charge across the
membrane or to a difference in the relative
number of and – charges in the ECF and ICF
b. Is measured in units of millivolts with the
sign always designation the change on the
outside
c. Is less at the equilibrium potential for K+ than
all resting membrane potential
d. Cannot be increased easily
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Human Physiology BIOL 3345
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The motor end plate is:
A folded area of muscle cell membrane with Ach
receptors clustered at the top of each fold
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
At resting membrane potential
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The membrane is more permeable to K+ than to
Na+
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Human Physiology BIOL 3345
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The brainstem consists of the:
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Human Physiology BIOL 3345
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Midbrain, medulla, and pons
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Human Physiology BIOL 3345
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When graded potentials reach the trigger zone:
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Human Physiology BIOL 3345
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An action potential may be inhibited
They may depolarize the membrane to the
threshold voltage
They may hyperpolarize the membrane
They may be called ESPS’ and IPSPs
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
The third and forth ventricles are linked by the:
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Human Physiology BIOL 3345
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Mesencephalic aqueduct
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Human Physiology BIOL 3345
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The larger the receptive 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
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The auditory cortex is located in the
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Human Physiology BIOL 3345
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Temporal lobe
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Human Physiology BIOL 3345
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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
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An ascending tract
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Human Physiology BIOL 3345
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The central nervous system interprets signal
frequency as
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Human Physiology BIOL 3345
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Stimulus intensity
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Human Physiology BIOL 3345
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Which of the following is an important similarity
between the endocrine system and the
nervous system?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Which is NOT true of a synapse
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Neurotransmitters are released from dendrites
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Human Physiology BIOL 3345
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Te cell bodies of motor neurons are located
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
In the gray matter of the spinal cord
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Human Physiology BIOL 3345
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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
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Target receptors for preganglionic neurons
contain
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Human Physiology BIOL 3345
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Cholinergic nicotinic receptor
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Human Physiology BIOL 3345
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The interior of the cell becomes less negative
due to an influx of sodium ions
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Human Physiology BIOL 3345
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Depolariztion
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Human Physiology BIOL 3345
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The ventral root ganglia
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Human Physiology BIOL 3345
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a.
b.
c.
d.
Contains axons of motor neurons
Contains axons of sensory neurons
Contains cell bodies of motor neurons
Contains cell bodies of sensory neurons
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Human Physiology BIOL 3345
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Nicotinic receptors
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Human Physiology BIOL 3345
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a. Are found at the neuromuscular junction of
skeletal muscles
b. May be located on the postganglionic fibers
of the sympathetic nervous system
c. Are found in the parasympathetic nervous
system
d. Bind Ach and open monovalent cation
channels
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Which of the following in 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
Cardiac muscle
Adipose tissue
Exocrine glands
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Human Physiology BIOL 3345
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Transduction involves
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Human Physiology BIOL 3345
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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
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The structure that separates the cochlear duct
(scala media) from the tympanic duct (scala
tympani) is
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Human Physiology BIOL 3345
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Basilar membrane
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Human Physiology BIOL 3345
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When compared to the spinal cord, the
arrangement of white and gray matter in the
medulla is similar, yet there are also significant
differences. These differences include all of
the following EXCEPT:
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Human Physiology BIOL 3345
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The absence of distinct regions of gray matter
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Human Physiology BIOL 3345
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The primary purpose of the auditory ossicles is
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Human Physiology BIOL 3345
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To amplify vibration
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Human Physiology BIOL 3345
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What structures monitor rotational movements
of the head
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Human Physiology BIOL 3345
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Cristae and the semicircular canals
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Human Physiology BIOL 3345
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Our perception of the pull of gravity and linear
acceleration is the result of
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Human Physiology BIOL 3345
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The pressure exerted by the otolithic organ on
hair cells of the maculae
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Human Physiology BIOL 3345
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These carry primarily efferent signals from the
brain
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Human Physiology BIOL 3345
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Descending tracts
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Human Physiology BIOL 3345
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The afferent and efferent axons together form
the
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Human Physiology BIOL 3345
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Peripheral nervous system
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Human Physiology BIOL 3345
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Varicosities
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a. Are found in the autonomic division
b. Are enlarged regions found along the axon
c. Store release neurotransmitters
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Human Physiology BIOL 3345
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The term axonal transport refers to
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Human Physiology BIOL 3345
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Vesicles transport of proteins and organelles
down the axon
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Each of the following is a function of the
nervous system EXCEPT:
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Human Physiology BIOL 3345
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Directing activates that continue for an
extended period of such as growth and
pregnancy
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Human Physiology BIOL 3345
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Which term below best describes an excitable
tissue when a resting membrane potential is
present?
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Human Physiology BIOL 3345
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Polarization
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Human Physiology BIOL 3345
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The difference between electronic and saltatory
conduction is that
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Human Physiology BIOL 3345
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Saltatory conduction requires the presence of
myelin
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Human Physiology BIOL 3345
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Which statement regarding CSF production and
flow is correct
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Human Physiology BIOL 3345
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CSF flows inferiorly along the dorsal
subarachnoid space of the spinal cord
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Human Physiology BIOL 3345
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In a condition known as hypocalcemia, the level
of calcium ions in the blood and interstitial
fluid is lower than normal. How would the
condition affect the function of the nervous
system?
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Less neurotransmitter would released in
response to an action potential
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Human Physiology BIOL 3345
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The term that describes a neural pathway where
a single neuron is stimulated and synapses
with many neurons, resulting in multiple
responses is:
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Human Physiology BIOL 3345
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Divergence
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The fourth ventricle is associated with the
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Human Physiology BIOL 3345
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a. Medulla oblongata
b. Pons
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Human Physiology BIOL 3345
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The region of the brain that is involved in
conscious thought and intellectual function as
well as processing somatic sensory and motor
information is the
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Human Physiology BIOL 3345
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Cerebrum
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Human Physiology BIOL 3345
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After suffering a stroke, Mary found that she
cannot move her right are. The would suggest
that the stroke damage is in the area of the
_____ lobe.
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Human Physiology BIOL 3345
Exam 2 Pervious Test Questions (Spring 2008)
Left temporal
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Human Physiology BIOL 3345
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All of the following are true of the endocrine
system, EXCEPT
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Human Physiology BIOL 3345
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Releases hormones that alter the metabolic
activities of many different tissues and organs
simultaneously
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Human Physiology BIOL 3345
Exam 1 Pervious Test Questions (Spring 2008)
Hormones that react with protein receptors on
the surface of the target cell are:
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Human Physiology BIOL 3345
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a. Peptide –based
b. Amino-acids
c. Steroids
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Human Physiology BIOL 3345
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Regulating hormones from the hypotalamus:
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First enter into the hypophyseal portal system
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Human Physiology BIOL 3345
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Glands that secreate their products into the
blood through ducts are classified as:
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Human Physiology BIOL 3345
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Exocrine
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Human Physiology BIOL 3345
Exam 1 Pervious Test Questions (Spring 2008)
A man has been told that he is not synthesizing
enough follicle-stimulating hormone (FSH),
and for this reason he may be unable to father
a child. Choose the correct statement to
explain this problem.
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Human Physiology BIOL 3345
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FSH stimulates sperm production in the testes
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Human Physiology BIOL 3345
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Endocrine glands have three different
mechanisms to stimulate themselves; _____ is
not one of them.
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Human Physiology BIOL 3345
Exam 1 Pervious Test Questions (Spring 2008)
Mechanical
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Human Physiology BIOL 3345
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When steriod hormones bind to their receptors:
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Human Physiology BIOL 3345
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Gene transcription may start or stop
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Human Physiology BIOL 3345
Exam 1 Pervious Test Questions (Spring 2008)
When comparing a neural signal with an
endocrine signal, neural signals are _____
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Human Physiology BIOL 3345
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a. Delivered to their target faster
b. Delivered to a more specific group of target
cells
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Human Physiology BIOL 3345
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Inositol triphosphate:
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Human Physiology BIOL 3345
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a. Binds to the calcium channel of the
endoplasmic reticulum
b. Is involved in the release of calcium into the
Cytosol
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Human Physiology BIOL 3345
Exam 1 Pervious Test Questions (Spring 2008)
Insuline is a water soluble hormone that binds
to receptor proteins on the cell surface. What
type of response would you expect it to
cause?
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Human Physiology BIOL 3345
Exam 1 Pervious Test Questions (Spring 2008)
Rapid, short-term
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Human Physiology BIOL 3345
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The “second messenger” mechanism of
hormone action operates through:
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Human Physiology BIOL 3345
Exam 1 Pervious Test Questions (Spring 2008)
Increase the basal metabolic rate in the target
organ
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Human Physiology BIOL 3345
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The hypothalamus controls secreation of the
anterior pituitary by way of:
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Human Physiology BIOL 3345
Exam 1 Pervious Test Questions (Spring 2008)
Releasing and inhibiting hormones
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Human Physiology BIOL 3345
Exam 1 Pervious Test Questions (Spring 2008)
Which of the following statements is most
correct regarding the intracellular chemical
signals know as “second messengers”?
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Human Physiology BIOL 3345
Exam 1 Pervious Test Questions (Spring 2008)
Second messengers include cyclic AMP and
calcium
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Human Physiology BIOL 3345
Exam 1 Pervious Test Questions (Spring 2008)
The neurophypophysis is not a true endocrine
gland because:
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Human Physiology BIOL 3345
Exam 1 Pervious Test Questions (Spring 2008)
It is only a hormone storage area that receives
hormones from the hypothalamus for release
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Human Physiology BIOL 3345
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Exocrine glands:
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Human Physiology BIOL 3345
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a. May make either mucous or serous
secretions
b. Release their secretions into the external
environments
c. Release their secretions through open tubes,
called ducts
d. May work as single cells or as a multi-cellular
organ
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Human Physiology BIOL 3345
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An agonist:
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a. Causes the opposite to happen
b. Blocks the normal ligand from triggering the
response
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Human Physiology BIOL 3345
Exam 1 Pervious Test Questions (Spring 2008)
The ability of a specific tissue or organ to
respond to the presence of a hormone is
dependent on:
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Human Physiology BIOL 3345
Exam 1 Pervious Test Questions (Spring 2008)
The presence of the appropriate receptors on
the cells of the target tissue of organ
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Human Physiology BIOL 3345
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The pituitary hormone that controls the release
of glucocorticoids from the adrenal cortex is:
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Human Physiology BIOL 3345
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ACTH
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Human Physiology BIOL 3345
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Hormones known as “catecholamines” are
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Human Physiology BIOL 3345
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Derivatives of amino acids
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Human Physiology BIOL 3345
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The blood plasma of human becomes _____ to
his red blood cells if he drinks sea water.
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Human Physiology BIOL 3345
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Hypertonic
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Caveolae and clathrin coated pits are both used
in:
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Human Physiology BIOL 3345
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Endocytosis
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Human Physiology BIOL 3345
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A cell’s hormonal sensitivities are determined
by:
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Human Physiology BIOL 3345
Exam 1 Pervious Test Questions (Spring 2008)
The presence or absence of appropriate
receptors
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Exocrine glands:
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Human Physiology BIOL 3345
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a. May make either mucous or serous
secretions
b. Release their secretions into the external
environment
c. Release their secretions through open tubes,
called ducts
d. May work as single cells or as a multicellular
organ
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Human Physiology BIOL 3345
Exam 1 Pervious Test Questions (Spring 2008)
http://www.jasonjones.co/biol3345.html