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Exercise Physiology Exam 2

64 Questions  I  By Kingslo
Exercise Physiology Exam 2
Quiz based on the notes for exam 2

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