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