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 the question!

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