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