Nervous System Clicker
Questions
The afferent and efferent axons together
form the
A.
Central nervous system
B.
Autonomic division of the nervous system
C.
Somatic motor division of the nervous system
D.
Peripheral nervous system
E.
Visceral nervous system
Autonomic neurons are further subdivided
into the
A.
Visceral and somatic divisions
B.
Sympathetic and parasympathetic divisions
C.
Central and peripheral divisions
D.
Visceral and enteric divisions
E.
Somatic and enteric divisions
Processes or appendages that are part of
neurons include
A.
Axons
B.
Dendrites
C.
Neuroglia
D.
A and B
E.
A, B and C
Functional categories of neurons include
A.
Afferent neurons
B.
Sensory neurons
C.
Interneurons
D.
Efferent neurons
E.
All of these are included as functional categories of
neurons
Graded potentials
A.
Produce an effect that increases with distance from the
point of stimulation
B.
Produce an effect that spreads actively across the entire
membrane surface
C.
May involve either depolarization or hyperpolarization
D.
Are all-or-none
E.
All of the above
Resting membrane potential changes are
important in
A.
Neurons.
B.
muscle cells.
C.
In all kinds of different types of cells.
D.
Both A and B are correct.
The principal cause of early repolarization of a
nerve fiber after an adequate stimulus has been
applied is:
A.
B.
C.
D.
E.
An increase in the diffusion of K+ into the neuron
An increase in the diffusion of Na+ out of the neuron
An increase in the diffusion of Na+ into the neuron
An increase in the diffusion of K+ out of the neuron
A decrease in the diffusion of Na+ into the neuron
A(n) ________ functions to passively move ions across a
membrane against the direction of their active
transport.
A.
Pump
B.
Leak gate
C.
Symporter
D.
Antiporter
E.
Exchanger
When it becomes harder for the
neuron to fire, is has become:
A.
Refracted
B.
Polarized
C.
Hyperpolarized
D.
Depolarized
E.
Repolarized
Tom’s father suffers a stroke that leaves him partially paralyzed
on his right side. What type of glial cell would you expect to
find in increased numbers in the damaged area of the brain
that is affected by the stroke?
A.
Astrocytes
B.
Oligodendrocytes
C.
Schwann cells
D.
Ependymal cells
E.
Microglia
Starting with the arrival of the AP at the terminal of a motor
neuron and ending with the beginning of an EPSP which of the
following is a correct temporal sequence?
A.
vesicle fusion  inward Ca2+ current  transmitter
exocytosis  synaptic delay  postsynaptic channel opens 
transmitter binds to postsynaptic receptor
B.
Inward Ca2+ current  vesicle fusion  postsynaptic
channels open  transmitter exocytosis  synaptic delay
 NT binds to postsynaptic receptor
C.
Inward Ca2+ current  vesicle fusion  transmitter
exocytosis  transmitter binds to postsynaptic receptor 
postsynaptic channel opens
D.
transmitter binds to postsynaptic receptor  postsynaptic
channel opens  hydrolysis of transmitter  postsynaptic
channel closes
When an adequate stimulus is
applied to an axon
A.
The amplitude of the AP is directly proportional to the strength
of the applied stimulus
B.
The amplitude of the AP is inversely proportional to the strength
of the applied stimulus
C.
The speed of the nerve impulse conduction is inversely
proportional to the diameter of the nerve fiber
D.
The amplitude of the AP does not vary with the strength of the
stimulus
E.
The first gate to open is the Na+ inactivation gate
The general adaptation syndrome is
activated by the:
Hypothalamus
B. Adrenal gland
C. Pituitary gland
D. Thyroid gland
E. Epinephrine release
A.
The hormone released from the
hypothalamus in response to
stressful stimuli is
A. Thyrotropin releasing hormone
B. Adrenocorticotropic hormone
C. Gonadotropin releasing hormone
D. Cortisol
E. Corticotropin releasing hormone
The target tissue of ACTH is the
A. Thymus gland
B. Parathyroid gland
C. Medulla of the adrenal gland
D. Cortex of the adrenal gland
E. Beta cells of the pancreas
The hormones secreted from the adrenal
medulla complement the action of the
A. Sensory nervous system
B. Central nervous system
C. Sympathetic nervous system
D. External nervous system
E. Parasympathetic nervous system
Which of the following is NOT a regulatory
function of Cortisol?
A. Immunoregulation
B. Regulate blood pressure
C. Mobilizes glycogen catabolism from the liver
D. Increases muscle anabolism
E. Mobilization of amino acids and lipids into
the plasma from cellular origins
What is the name of the researcher in
the move about stress?
A. Dr. Watson
B. Dr. Selye
C. Dr. Sapolski
D. Dr. Kavorkian
True/False Baboons who are in the
lowest levels of their social hierarchy
have a greater risk of arteriosclerosis.
A. True
B. False
True/False Being an alpha male
decreases stress hormone levels?
A. True
B. False
Does stress affect work
performance?
A. Yes
B. No
C. Scientifically can’t be proven
Which hormone is responsible for the
majority of symptoms a person
experiences due to stress?
A. ACTH
B. Epinephrine
C. Cortisol
D. Both B and C
What happened to the level of stress
after the monkey troop contracted
tuberculosis?
A. The level of stress went up
B. The level of stress went down
C. There was not change in the level of stress in the
monkey troo
Which of the following are most likely
to be affected by an increase in stress
levels?
A. The person’s sleep cycle
B. Memory storage and recall
C. The immune response
D. All of the above are affected
Which of the following are the
strongest predictors of stress?
A. Unpredictability in the work place
B. Lack of control in one’s life
C. Lack of social/emotional ties
D. All of the above