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Anatomy & Physiology Exam 4

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