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Exercise Physiology Exam 2

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

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