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