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Anatomy & Physiology Exam 4

45 Questions  I  By Kingslo
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Anatomy & Physiology Exam 4
Practice quiz for the nervous system exam.

Anatomy & Physiology, UTSA, KIN 3313

  
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Question Excerpt

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1.  A ganglion is the site where the pre-synaptic neuron synapse with the post-synaptic neuron releasing acetylcholine. 
A.
B.
2.  What happens during repolarization? (check all that apply)
A.
B.
C.
D.
3.  Typically, what is the charge of a neuron at rest?
A.
B.
C.
D.
E.
4.  Which structure in the neuron generates the action potential?
A.
B.
C.
D.
E.
5.  Most multipolar neurons are ____________
A.
B.
C.
D.
E.
6.  The gaps between schwann cells are called _________
A.
B.
C.
D.
7.  Which type of post synaptic potential causes hyperpolarization.
A.
B.
C.
D.
8.  FORMS THE MYELIN SHEATH IN THE PNS
A.
B.
C.
D.
9.  The dendrites are the receptive regions of the neuron.
A.
B.
10.  The cAMP second messenger system is an important regulatory of cellular energy during _________
A.
B.
C.
D.
11.  These cells cushion the brain
A.
B.
C.
D.
12.  According to Ohms law, if the voltage increases, the current decreases.
A.
B.
13.  Somatic motor neurons also innervate glandular tissue.
A.
B.
14.  Afferent fibers are fibers that transmit impulses from the receptors to the CNS.
A.
B.
15.  Sympathetic neurons have long pre-ganglionic fibers and short post-ganglionic fibers.
A.
B.
16.  ____________ is the neurotransmitter that causes a muscle to contract/depolorize.
A.
B.
C.
D.
17.  ______ and ______ causes depolarization of the post synaptic membrane. (neurotransmitter and ion) (check all that apply)
A.
B.
C.
D.
18.  In the peripheral nervous system, the myelin sheath is formed by the ologodendrocytes.
A.
B.
19.  Post ganglionic fibers of the autonomic system are non myelinated.
A.
B.
20.  The white blood cells of the CNS
A.
B.
C.
D.
21.  The opening of Ca 2+ channels in the axon results in what?
A.
B.
C.
D.
22.  The synapse of a neuron is where synaptic vesicles are stored.
A.
B.
23.  "J" REPRESENTS THE _____________
A.
B.
C.
D.
24.  Temporal summation is the summing of several different pre-synaptic neurons.
A.
B.
25.  The autonomic nervous system is responsible for maintaining the constancy of the body's internal environment (homeostasis).
A.
B.
26.  SYNAPTIC VESICLES ARE STORED HERE.
A.
B.
C.
D.
27.  Which is true about the sodium potassium pump?
A.
B.
C.
D.
E.
28.  ATP is converted into cAMP by which enzyme?
A.
B.
C.
D.
29.  The G protein stimulates adenylyl cyclase
A.
B.
30.  These cells form the myelin sheath in the CNS.
A.
B.
C.
D.
31.  The greater the gradient of ions, the greater potential to do work
A.
B.
32.  Pre-synaptic neurons always secrete acetylcholine. 
A.
B.
33.  Exocytosis is the process in which
A.
B.
C.
D.
34.  The peripheral nervous system consists of the brain and spinal cord.
A.
B.
35.  WHICH LETTER REPRESENTS THE DENDRITES?
A.
B.
C.
D.
36.  "C" REPRESENTS THE ___________
A.
B.
C.
D.
E.
37.  The sympathetic division conserves energy and promotes nonemergency functions.
A.
B.
38.  Saltatory conduction also occurs in post-synaptic fibers.
A.
B.
39.  According to Ohms law, if voltage increases, resistance decreases.
A.
B.
40.  Releasing acetylcholine tends to excite an organ
A.
B.
41.  Threshold of a neuron is reached at how many millivolts?
A.
B.
C.
D.
42.  Skeletal muscles are innervated by neurons in the motor division.
A.
B.
43.  What happens during an action potential?
A.
B.
C.
D.
E.
44.  WHICH LETTER REPRESENTS THE AXON HILLOCK?
A.
B.
C.
D.
E.
45.  Glands are innervated by the somatic motor system.
A.
B.
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