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 thequestion!

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