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