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Exercise Physiology Exam 2

64 Questions  I  By Kingslo
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Quiz based on the notes for exam 2

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1.  Acytocholine is a cholinergic neurotransmitter
A.
B.
2.  Sympathetic neurons are found in the brain and sacral spinal cord and parasympathetic neurons are found in the thoracic and lumbar spinal cord.
A.
B.
3.  What is the function of the vestibular apparatus? (check all that apply)
A.
B.
C.
D.
E.
4.  What happens during repolarization? (check all that apply)
A.
B.
C.
D.
5.  Which band represents myosin and actin?
A.
B.
C.
D.
E.
6.  The ______ is responsible for cardiorespiratory control.
A.
B.
C.
D.
E.
7.  Temporal summation is the summing from several different pre-synaptic neurons.
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B.
8.  Skeletal muscles are innervated by neurons in the motor division.
A.
B.
9.  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.
10.  Somatic motor neurons also innervate glandular tissue (glands).
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B.
11.  The _______ surrounds bundles of muscle fibers
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B.
C.
D.
12.  Which type of proprioceptors are found in ligaments and around joints.
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B.
C.
D.
13.  The sarcolemma is the membrane of a muscle fiber.
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B.
14.  ______ and  _____ causes depolarization of the postsynaptic membrane. (neurotransmitter and ion) (check all that apply)
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B.
C.
D.
E.
15.  What percent of all skeletal muscles constitute the total weight of the human body
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B.
C.
D.
16.  The human body contains over ___ voluntary skeletal muscles.
A.
B.
C.
D.
17.  What is the function of a muscle spindle? (check all that apply)
A.
B.
C.
D.
18.  Sends information back to the CNS about the metabolic rate of muscular activity.
A.
B.
C.
D.
19.  Spinal tuning deals with involuntary skeletal movement.
A.
B.
20.  Which band represents actin? 
A.
B.
C.
D.
E.
21.  Post-ganglionic fibers of the autonomic nervous system are non myelinated.
A.
B.
22.  The predominant energy system for type IIa muscles fibers is ___________ 
A.
B.
C.
23.  The ____________ system causes an increase in glucose uptake for energy utilization.
A.
B.
C.
24.  _________ is the neurotransmitter that stimulates the muscle to depolarize.
A.
B.
C.
D.
25.  Which proprioceptor is sensitive to touch and pressure?
A.
B.
C.
D.
26.  Which proprioceptor detects rate of joint rotation?
A.
B.
C.
D.
27.  Which neurological disease destroys the myelin sheath of axons?
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B.
C.
D.
E.
28.  Which brain structure connects the brain and spinal cord.
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B.
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D.
E.
29.  Which structure in the neuron generates the action potential?
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B.
C.
D.
30.  Where will you be able to find pacinian corpuscles?
A.
B.
C.
D.
31.  The maximum velocity of shortening is greatest at the highest force.
A.
B.
32.  Along with the nervous system, which other system controls the internal environment. (homeostasis)
A.
B.
C.
D.
33.  In the peripheral nervous system, the myelin sheath is formed by olegodendrocytes.
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B.
34.  The M line separates each sacromere.
A.
B.
35.  A ganglion is a site where the presynaptic neuron synapse with the postsynaptic neuron releasing acytocholine.
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B.
36.  Which division of the ANS causes an increase in the salivary gland volume and a decrease in its viscosity.
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B.
37.  What happens during the an action potential?
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B.
C.
D.
E.
38.  The dendrites are the receptive regions of the neuron.
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B.
39.  Which type of post-synaptic potential causes hyperpolarization
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B.
C.
D.
40.  The muscle spindle is also known as the "length detector".
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B.
41.  The synapse of a neuron is where synaptic vesicles are stored.
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B.
42.  The motor cortex is responsible for sending the information down to the association areas.
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B.
43.  The peripheral nervous system consists of the brain and spinal cord.
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B.
44.  The basal ganglia produces fast, ballistic movement.
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B.
45.  The muscle spindle causes the muscle to relax while the golgi tendon causes the muscle to contract.
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B.
46.  Viscosity of the saliva increases with exercise. 
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B.
47.  The sacroplasmic reticulum is the storage site for _______.
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B.
C.
D.
E.
48.  Presynaptic neurons always secrete acytocholine
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B.
49.  Disorder of the basal ganglia may cause Parkinson's Disease.
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B.
50.  Generally, what is the charge of a neurons at rest?
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B.
C.
D.
51.  Where is the vestibular apparatus located
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B.
C.
D.
52.  Releasing norepinephrine tends to excite an organ.
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B.
53.  The gaps between schwann cells are called nodes of Ranvier.
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B.
54.  Afferent fibers are fibers that transmit impulses from receptors to the CNS
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B.
55.  What happens during reciprocal inhibition?
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B.
C.
D.
56.  As a result of stimulation to the golgi tendon organ, excitatory neurons send ESPS to muscle fibers.
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B.
57.  The sympathetic division causes pupil constriction
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B.
58.  The opening of Ca2+ channels in the axons results in what?
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B.
C.
D.
59.  The autonomic nervous system is responsible for maintaining the constancy of the body's internal environment.
A.
B.
60.  Glands are innervated by the somatic motor system
A.
B.
61.  Which is true about the sodium-pottasium pump?
A.
B.
C.
D.
E.
62.  The first step in performing a voluntary movement occurs in the ________.
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B.
C.
D.
63.  The cerebellum has connections to the motor cortex, brain stem, and spinal cord.
A.
B.
64.  Sympathetic neurons have short preganglionic fibers and long postganglionic fibers.
A.
B.
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