Bio 2050 - Anatomy and Physiology » Spring 2021 » Chapter 12 Quiz
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Question #1
Axons terminate by branching to form small extensions with enlarged ends which are called this:
A.
postsynaptic membranes
B.
axon hillocks
C.
neuron cell bodies
D.
presynaptic terminals
Question #2
This extensive network of axon outside of the CNS:
A.
spinal cord
B.
ganglion
C.
sensory receptor
D.
plexus
Question #3
These cell types produce and help circulate cerebrospinal fluid:
A.
Schwann cells
B.
ependymal cells
C.
microglia
D.
astrocytes
Question #4
These statements about unipolar neurons are all true except:
A.
have no dendrites
B.
located in the eye and nasal cavity
C.
most are sensory neurons
D.
have a single process extending from the cell body
Question #5
This statement best describes the myelin sheath:
A.
provides insulation from other axons
B.
made of Schwann cells(neurolemmocytes)
C.
covering surrounding an axon
D.
helps conduct the action potential more rapidly
E.
provides insulation from other axons, covering surrounding an axon and made of Schwann cells(neurolemmocytes)
Question #6
This portion of the motor division of the nervous system conducts action potentials from the central nervous system to skeletal muscle fibers.
A.
sympathetic
B.
afferent
C.
autonomic
D.
somatic
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