Anatomy & Physiology Exam 4

45 Questions  I  By Kingslo
Practice quiz for the nervous system exam. Anatomy & Physiology, UTSA, KIN 3313

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