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