Anatomy & Physiology Exam 4

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 Anatomy & Physiology Exam 4
Practice quiz for the nervous system exam. Anatomy & Physiology, UTSA, KIN 3313

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