Question 1

Nonmyelinated axons

Accepted Answer

A)   occur in the PNS, but not in the CNS.
B)   are not associated with any Schwann cells.
C)   conduct impulses more slowly than myelinated axons.
D)   are thicker than myelinated axons.E) None of the above
F) B) and D)

Question 2

These regions of a neuron are characterized by numerous, short cytoplasmic extensions and are often referred to as receiving regions.

Accepted Answer

A)   synapse
B)   axon terminal
C)   axon
D)   cell body
E)   dendriteF) A) and B)
G) None of the above

Question 3

An axosomatic synapse occurs between the axon terminals of one neuron and the of a proximal neuron.

Accepted Answer

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

Question 4

Neurotransmitters are found packaged inside in the axon terminal.

Accepted Answer

The answer of Neurotransmitters are found packaged inside in the...

Question 5

The peripheral nerve fibers that measure the degree of stretch in the biceps brachii muscle and its tendons are classified as

Accepted Answer

A)   general somatic sensory.
B)   general visceral motor.
C)   general somatic motor.
D)   special visceral sensory.E) All of the above
F) None of the above

Question 6

All of the neuronʹs organelles are localized to the cell body.

Accepted Answer

A) True 
 B)False

Question 7

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 B)
F) All of the above

Question 8

Most neurons in the body are multipolar neurons.

Accepted Answer

A) True 
 B)False

Question 9

Describe the myelin sheath.

Accepted Answer

Schwann cells in the PNS and oligodendro...

Question 10

Ciliated neuroglial cells that form an epithelium and play an active role in forming and moving cerebrospinal fluid are

Accepted Answer

A)   astrocytes.
B)   Schwann cells.
C)   oligodendrocytes.
D)   ependymal cells.E) None of the above
F) B) and D)

Question 11

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) None of the above
F) A) and B)

Question 12

neurons develop from neural crest cells.

Accepted Answer

The answer of neurons develop from neural crest cells....

Question 13

Cytoplasm, organelles, and neurotransmitters move through the cytoplasm of the axon by a mechanism called .

Accepted Answer

The answer of Cytoplasm, organelles, and neurotransmitters move through the...

Question 14

Figure 12.2
Use the diagrams above to answer the following questions.
-Identify which diagram represents a cell that produces a myelin sheath in the central nervous system.

Accepted Answer

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

Question 15

White matter represents

Accepted Answer

A)   dendrites traveling together in the ANS.
B)   myelinated axons traveling together in the CNS.
C)   aggregations of neuron cell bodies in the spinal cord.
D)   aggregations of neuron cell bodies in the brain.E) A) and B)
F) B) and D)

Question 16

Gray matter in the CNS contains all of the following except

Accepted Answer

A)   fiber tracts.
B)   neuroglia.
C)   neuron cell bodies.
D)   dendrites.E) A) and D)
F) A) and C)

Question 17

General visceral sensory impulses include pain, temperature, nausea, and hunger.

Accepted Answer

A) True 
 B)False

Question 18

Most synapses transmit communicating signals using

Accepted Answer

A)   physical contact between adjacent neurons.
B)   chemical signaling molecules released from neuroglia.
C)   electrical impulses travelling through gap junctions.
D)   chemical signaling molecules-neurotransmitters.E) A) and B)
F) A) and C)

Question 19

Figure 12.2
Use the diagrams above to answer the following questions.
-Identify which letter represents the most abundant category of glial cells in the CNS.

Accepted Answer

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

Question 20

In the region of the spinal cord, the cell bodies of most interneurons lie in

Accepted Answer

A)   sensory ganglia.
B)   the ventral half of the white matter.
C)   the dorsal half of the gray matter.
D)   the PNS.E) B) and C)
F) A) and D)

Exam 12: Fundamentals of the Nervous System and Nervous Tissue

All of the neuronʹs organelles are localized to the cell body.

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An example of proprioception is

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Cytoplasm, organelles, and neurotransmitters move through the cytoplasm of the axon by a mechanism called .

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Gray matter in the CNS contains all of the following except

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In the region of the spinal cord, the cell bodies of most interneurons lie in

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An axosomatic synapse occurs between the axon terminals of one neuron and the of a proximal neuron.

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Figure 12.2 Use the diagrams above to answer the following questions. -Identify which diagram represents a cell that produces a myelin sheath in the central nervous system.

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Most neurons in the body are multipolar neurons.

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neurons develop from neural crest cells.

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The peripheral nerve fibers that measure the degree of stretch in the biceps brachii muscle and its tendons are classified as

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Neurotransmitters are found packaged inside in the axon terminal.

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Most synapses transmit communicating signals using

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Describe the myelin sheath.

Correct AnswerverifiedSchwann cells in the PNS and oligodendro...View AnswerShow Answer

General visceral sensory impulses include pain, temperature, nausea, and hunger.

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White matter represents

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Figure 12.2 Use the diagrams above to answer the following questions. -Identify which letter represents the most abundant category of glial cells in the CNS.

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Ciliated neuroglial cells that form an epithelium and play an active role in forming and moving cerebrospinal fluid are

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

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These regions of a neuron are characterized by numerous, short cytoplasmic extensions and are often referred to as receiving regions.

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Nonmyelinated axons

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Schwann cells in the PNS and oligodendro...
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