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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

Note: Any question that says "(check all that apply)" means that thier is MORE THAN ONE answer to the question!

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