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