Question 1

Chemical signals diffuse between neurons at this location.

Accepted Answer

A)   synapse
B)   axon terminal
C)   axon
D)   cell body
E)   dendriteF) B) and E)
G) C) and D)

Question 2

A neuron is a collection of nerve fibers in the PNS.

Accepted Answer

A) True 
 B)False

Question 3

Microglia are ciliated to help circulate cerebrospinal fluid (CSF).

Accepted Answer

A) True 
 B)False

Question 4

are the neuroglial cells with cilia.

Accepted Answer

The answer of are the neuroglial cells with cilia....

Question 5

Which cells are the macrophages of the CNS?

Accepted Answer

A)   ependymal cells
B)   Schwann cells
C)   satellite cells
D)   microglial cellsE) B) and D)
F) A) and B)

Question 6

Motor neurons arise primarily from the

Accepted Answer

A)   ependyma.
B)   neural crest.
C)   alar plate.
D)   basal plate.E) C) and D)
F) B) and D)

Question 7

Distinguish between converging, diverging, and reverberating neuronal circuits. Identify the role of axon collaterals and terminal branches in these circuits.

Accepted Answer

In converging circuits, a single neuron ...

Question 8

These glial cells arise from embryonic white blood cells.

Accepted Answer

A)   microglia
B)   satellite cells
C)   ependymal cells
D)   oligodendrocytesE) All of the above
F) A) and D)

Question 9

Some small neurons in the CNS have no axon, only dendrites, and are

Accepted Answer

A)   unipolar.
B)   pseudounipolar.
C)   multipolar.
D)   bipolar.E) A) and B)
F) All of the above

Question 10

Microglia are derived from blood stem cells rather than from neural tube and crest cells.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following most immediately encases the smallest component of a nerve?

Accepted Answer

A)   fascicle
B)   epineurium
C)   perineurium
D)   endoneuriumE) B) and D)
F) All of the above

Question 12

Nearly all motor neurons are of this type, based on the classification of the type and number of processes.

Accepted Answer

The answer of Nearly all motor neurons are of this...

Question 13

The covering of a fascicle within a nerve is the

Accepted Answer

A)   ectoneurium.
B)   endoneurium.
C)   epineurium.
D)   perineurium.E) B) and C)
F) B) and D)

Question 14

These neurons reside only in the CNS and connect motor and sensory neurons.

Accepted Answer

interneuro...

Question 15

Figure 12.2
Use the diagrams above to answer the following questions.
-Identify which diagram represents a microglial cell.

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) A) and D)
G) C) and D)

Question 16

Interneurons are found

Accepted Answer

A)   only in the visceral nervous system.
B)   only in the autonomic nervous system.
C)   only in the PNS.
D)   only in the CNS.E) A) and B)
F) All of the above

Question 17

The supporting cells of the nervous system that surround and wrap neurons are derived from embryonic neuroepithelial cells from the ectoderm.

Accepted Answer

A) True 
 B)False

Question 18

A(n) is a medical specialist in the study of the nervous system and its disorders.

Accepted Answer

The answer of A(n) is a medical specialist in the...

Question 19

Gliomas are tumors of glial cells. This type of cancer is difficult to treat, and the one-year survival rate is poor.

Accepted Answer

A) True 
 B)False

Question 20

This neuronal region transmits electrical impulses away from the cell body.

Accepted Answer

A)   synapse
B)   axon terminal
C)   axon
D)   cell body
E)   dendriteF) B) and E)
G) B) and D)

Exam 12: Fundamentals of the Nervous System and Nervous Tissue

A(n) is a medical specialist in the study of the nervous system and its disorders.

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A neuron is a collection of nerve fibers in the PNS.

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The supporting cells of the nervous system that surround and wrap neurons are derived from embryonic neuroepithelial cells from the ectoderm.

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Interneurons are found

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are the neuroglial cells with cilia.

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The covering of a fascicle within a nerve is the

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Chemical signals diffuse between neurons at this location.

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Figure 12.2 Use the diagrams above to answer the following questions. -Identify which diagram represents a microglial cell.

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Gliomas are tumors of glial cells. This type of cancer is difficult to treat, and the one-year survival rate is poor.

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Microglia are ciliated to help circulate cerebrospinal fluid (CSF).

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These glial cells arise from embryonic white blood cells.

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These neurons reside only in the CNS and connect motor and sensory neurons.

Correct Answerverifiedinterneuro...View AnswerShow Answer

Nearly all motor neurons are of this type, based on the classification of the type and number of processes.

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Motor neurons arise primarily from the

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This neuronal region transmits electrical impulses away from the cell body.

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Distinguish between converging, diverging, and reverberating neuronal circuits. Identify the role of axon collaterals and terminal branches in these circuits.

Correct AnswerverifiedIn converging circuits, a single neuron ...View AnswerShow Answer

Some small neurons in the CNS have no axon, only dendrites, and are

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Which of the following most immediately encases the smallest component of a nerve?

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Which cells are the macrophages of the CNS?

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Microglia are derived from blood stem cells rather than from neural tube and crest cells.

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interneuro...
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In converging circuits, a single neuron ...
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