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Exercise Physiology Exam 2

64 Questions  I  By Kingslo
Physiology Quizzes & Trivia
Quiz based on the notes for exam 2

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