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