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