Exercise Physiology Exam 2

64 Questions  I  By Kingslo
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 Exercise Physiology Exam 2
Quiz based on the notes for exam 2Note: Any question that says "(check all that apply)" means that thier is MORE THAN ONE answer to the question!

  
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1.  Generally, what is the charge of a neurons at rest?
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2.  The synapse of a neuron is where synaptic vesicles are stored.
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B.
Discuss this Question
3.  The opening of Ca2+ channels in the axons results in what?
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B.
C.
D.
4.  The basal ganglia produces fast,ballistic movement.
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B.
5.  Which proprioceptor is sensitive to touch and pressure?
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B.
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D.
6.  Which is true about the sodium-pottasium pump?
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B.
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E.
7.  In the peripheral nervous system,the myelin sheath is formed by olegodendrocytes.
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B.
8.  _________ is the neurotransmitter thatstimulates the muscle to depolarize.
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B.
C.
D.
9.  Acytocholine is a cholinergic neurotransmitter
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B.
10.  The ____________ system causes an increase in glucose uptake for energy utilization.
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B.
C.
11.  The ______ is responsible for cardiorespiratory control.
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B.
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12.  What is the function of a muscle spindle? (check all that apply)
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13.  The sympathetic division causes pupil constriction
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14.  What is the function of the vestibular apparatus? (check all that apply)
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15.  The "All or none" law states that once a nerve impulse is initiated,it will travel the length of the neuron.
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B.
16.  Sympathetic neurons have short preganglionic fibers and long postganglionic fibers.
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B.
17.  Where is the vestibular apparatus located
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B.
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18.  Which structure in the neuron generates the action potential?
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19.  The peripheral nervous system consists of the brain and spinal cord.
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B.
20.  The sacroplasmic reticulum is the storage site for _______.
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21.  Temporal summation is the summing from several different pre-synaptic neurons.
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22.  Sends information back to the CNS about the metabolic rate of muscular activity.
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D.
23.  What happens during the an action potential?
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24.  Which band represents actin? 
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B.
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25.  The motor cortex is responsible for sending the information down to the association areas.
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B.
26.  Which brain structure connects the brain and spinal cord.
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27.  Glands are innervated by the somatic motor system
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B.
28.  What happens during reciprocal inhibition?
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B.
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29.  The muscle spindle is also known as the "length detector".
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B.
30.  Which proprioceptor detects rate of joint rotation?
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B.
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31.  The cerebellum has connections to the motor cortex, brain stem, and spinal cord.
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B.
32.  What happens during repolarization? (check all that apply)
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B.
C.
D.
33.  What percent of all skeletal muscles constitute the total weight of the human body
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B.
C.
D.
34.  The maximum velocity of shortening is greatest at the highest force.
A.
B.
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35.  The _______ surrounds bundles of muscle fibers
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B.
C.
D.
36.  Presynaptic neurons always secrete acytocholine
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B.
37.  Which type of proprioceptors are found in ligaments and around joints.
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B.
C.
D.
38.  Post-ganglionic fibers of the autonomic nervous system are non myelinated.
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B.
39.  The first step in performing a voluntary movement occurs in the ________.
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B.
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D.
40.  Where will you be able to find pacinian corpuscles?
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B.
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D.
41.  The sarcolemma is the membrane of a muscle fiber.
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B.
42.  The autonomic nervous system is responsible for maintaining the constancy of the body's internal environment.
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B.
43.  ______ and  _____ causes depolarization of the postsynaptic membrane. (neurotransmitter and ion) (check all that apply)
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B.
C.
D.
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44.  Afferent fibers are fibers that transmit impulses from receptors to the CNS
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B.
45.  Which neurological disease destroys the myelin sheath of axons?
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46.  The muscle spindle causes the muscle to relax while the golgi tendon causes the muscle to contract.
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B.
47.  The M line separates each sacromere.
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B.
48.  Which division of the ANS causes an increase in the salivary gland volume and a decrease in its viscosity.
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B.
49.  Along with the nervous system, which other system controls the internal environment. (homeostasis)
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C.
D.
50.  The predominant energy system for type IIa muscles fibers is ___________ 
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B.
C.
51.  The dendrites are the receptive regions of the neuron.
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B.
52.  As a result of stimulation to the golgi tendon organ, excitatory neurons send ESPS to muscle fibers.
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B.
53.  Somatic motor neurons also innervate glandular tissue (glands).
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B.
54.  The gaps between schwann cells are called nodes of Ranvier.
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B.
55.  Skeletal muscles are innervated by neurons in the motor division.
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B.
56.  Viscosity of the saliva increases with exercise. 
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B.
57.  Disorder of the basal ganglia may cause Parkinson's Disease.
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B.
58.  The human body contains over ___ voluntary skeletal muscles.
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B.
C.
D.
59.  Sympathetic neurons are found in the brain and sacral spinal cord and parasympathetic neurons are found in the thoracic and lumbar spinal cord.
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B.
60.  Spinal tuning deals with involuntary skeletal movement.
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B.
61.  Releasing norepinephrine tends to excite an organ.
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B.
62.  Which type of post-synaptic potential causes hyperpolarization
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B.
C.
D.
63.  Which band represents myosin and actin?
A.
B.
C.
D.
E.
64.  A ganglion is a site where the presynaptic neuron synapse with the postsynaptic neuron releasing acytocholine.
A.
B.
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