Question 1

These glial cells surround the cell bodies of sensory neurons within ganglia of the PNS.

Accepted Answer

A)   Schwann cells
B)   satellite cells
C)   astrocytes
D)   microgliaE) C) and D)
F) A) and B)

Question 2

Which of the following is not considered a special somatic sense?

Accepted Answer

A)   equilibrium
B)   pain
C)   smell
D)   tasteE) B) and D)
F) B) and C)

Question 3

Regeneration of peripheral axons requires

Accepted Answer

A)   formation of a tube by Schwann cells to guide growth.
B)   deposition of neurofilaments to bridge the gap between the original axon fragments.
C)   construction of a collateral that branches from the point of damage.
D)   migration of neural stem cells from the hippocampus.E) B) and D)
F) All of the above

Question 4

Which cells provide the myelin sheath for neurons in the PNS?

Accepted Answer

A)   microglial cells
B)   oligodendrocytes
C)   astrocytes
D)   Schwann cellsE) None of the above
F) A) and C)

Question 5

A node of Ranvier (myelin sheath gap)

Accepted Answer

A)   is one segment of the myelin sheath.
B)   occurs in the PNS but not in the CNS.
C)   is a bare region of axonal membrane in myelinated axons only.
D)   occurs only in ganglia.E) A) and D)
F) B) and D)

Question 6

Figure 12.2
Use the diagrams above to answer the following questions.
-Identify which diagram represents cells that produce and circulate cerebrospinal fluid.

Accepted Answer

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

Question 7

These regions of a neuron are also referred to as terminal boutons.

Accepted Answer

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

Question 8

An axon collateral from one neuron that circles back and synapses with a previous neuron describes

Accepted Answer

A)   a reverberating circuit.
B)   serial processing.
C)   parallel processing.
D)   a converging circuit.E) B) and C)
F) None of the above

Question 9

The chemical substance that is released at axon terminals is called a

Accepted Answer

A)   synaptic vesicle.
B)   hormone.
C)   neurotransmitter.
D)   Nissl body.E) A) and C)
F) B) and C)

Question 10

An example of proprioception is

Accepted Answer

A)   the contraction of the triceps brachii.
B)   the sensation you feel during a wake-up stretch.
C)   sensing a feather touch the skin.
D)   the contraction of pharyngeal arch muscles used in chewing.E) B) and C)
F) All of the above

Exam 12: Surface Anatomy

Regeneration of peripheral axons requires

Correct Answer
verified

Which cells provide the myelin sheath for neurons in the PNS?

Correct Answer
verified

The chemical substance that is released at axon terminals is called a

Correct Answer
verified

Figure 12.2 Use the diagrams above to answer the following questions. -Identify which diagram represents cells that produce and circulate cerebrospinal fluid.

Correct Answer
verified

These glial cells surround the cell bodies of sensory neurons within ganglia of the PNS.

Correct Answer
verified

An axon collateral from one neuron that circles back and synapses with a previous neuron describes

Correct Answer
verified

A node of Ranvier (myelin sheath gap)

Correct Answer
verified

An example of proprioception is

Correct Answer
verified

These regions of a neuron are also referred to as terminal boutons.

Correct Answer
verified

Which of the following is not considered a special somatic sense?

Correct Answer
verified

Exam 12: Surface Anatomy

Regeneration of peripheral axons requires

Correct AnswerverifiedShow Answer

Which cells provide the myelin sheath for neurons in the PNS?

Correct AnswerverifiedShow Answer

The chemical substance that is released at axon terminals is called a

Correct AnswerverifiedShow Answer

Figure 12.2 Use the diagrams above to answer the following questions. -Identify which diagram represents cells that produce and circulate cerebrospinal fluid.

Correct AnswerverifiedShow Answer

These glial cells surround the cell bodies of sensory neurons within ganglia of the PNS.

Correct AnswerverifiedShow Answer

An axon collateral from one neuron that circles back and synapses with a previous neuron describes

Correct AnswerverifiedShow Answer

A node of Ranvier (myelin sheath gap)

Correct AnswerverifiedShow Answer

An example of proprioception is

Correct AnswerverifiedShow Answer

These regions of a neuron are also referred to as terminal boutons.

Correct AnswerverifiedShow Answer

Which of the following is not considered a special somatic sense?

Correct AnswerverifiedShow Answer

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