A&P 1 2013 Quiz 5A Name _______________________________________________________________
Russo
T/F
1)
Myelination of the nerve fibers in the central nervous system is the job of the
oligodendrocyte.
Answer: TRUE
Diff: 1
Page Ref: 390
2) Efferent nerve fibers may be described as motor nerve fibers.
Answer: TRUE
Diff: 1
Page Ref: 387
Multiple Choice
3) What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal
fluid called?
A) ependymal cells
B) Schwann cells
C) oligodendrocytes
D) astrocytes
Answer: A
Diff: 1
Page Ref: 389
4) Bipolar neurons are commonly ________.
A) motor neurons
B) called neuroglial cells
C) found in ganglia
D) found in the retina of the eye
Answer: D
Diff: 1
Page Ref: 393; Tbl. 11.1
5) Which ion channel opens in response to a change in membrane potential and
participates in the generation and conduction of action potentials?
A) mechanically gated channel
B) voltage-gated channel
C) leakage channel
D) ligand-gated channel
Answer: B
Diff: 1
Page Ref: 396
Xtra (1 Point)
T/F
17) If bacteria invaded the CNS tissue, microglia would migrate to the area to engulf and
destroy them.
Answer: TRUE
Diff: 3
Page Ref: 389