Exercise Physiology Exam 2

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