Question 1

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

Accepted Answer

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

Question 2

In a converging circuit, one presynaptic neuron synapses with many other neurons.

Accepted Answer

A) True 
 B)False

Question 3

A man walking barefoot stepped on a piece of glass. His foot jerked upward in which type of reflex?

Accepted Answer

A)   somatic, polysynaptic withdrawal reflex
B)   visceral, monosynaptic stretch reflex
C)   somatic, monosynaptic withdrawal reflex
D)   visceral, polysynaptic withdrawal reflexE) A) and C)
F) None of the above

Question 4

Use the diagram pictured above to answer the following questions.
-Identify the letter that indicates the region of a neuron where neurotransmitters are released.

Accepted Answer

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

Question 5

A ________ circuit occurs when many neurons synapse onto one neuron.

Accepted Answer

The answer of A ________ circuit occurs when many neurons...

Question 6

Special somatic senses have receptors that are located mostly in the head, including hearing and balance and vision.

Accepted Answer

A) True 
 B)False

Question 7

Of the following, which is the only structure that is in the PNS, as opposed to the CNS?

Accepted Answer

A)   a tract
B)   white matter
C)   a ganglion
D)   gray matterE) A) and C)
F) A) and B)

Question 8

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) D) and E)
G) A) and D)

Question 9

Which of the following is the correct path an impulse takes across a synapse?

Accepted Answer

A)   axon of postsynaptic neuron, dendrite of presynaptic neuron, synaptic cleft
B)   dendrite of presynaptic neuron, synaptic cleft, axon of postsynaptic neuron
C)   axon of presynaptic neuron, synaptic cleft, dendrite of postsynaptic neuron
D)   synaptic cleft, dendrite of postsynaptic neuron, axon of presynaptic neuronE) A) and C)
F) All of the above

Question 10

The ________ of a presynaptic neuron associates with the dendrite of a postsynaptic neuron.

Accepted Answer

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

Question 11

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

Accepted Answer

A)   a converging circuit.
B)   parallel processing.
C)   a reverberating circuit.
D)   serial processing.E) All of the above
F) A) and D)

Question 12

________ processing occurs when information from a single neuron is sent along two or more pathways traveling in the same direction.

Accepted Answer

The answer of ________ processing occurs when information from a...

Question 13

Nonmyelinated axons

Accepted Answer

A)   are thicker than myelinated axons.
B)   are not associated with any Schwann cells.
C)   conduct impulses more slowly than myelinated axons.
D)   occur in the PNS, but not in the CNS.E) C) and D)
F) B) and D)

Question 14

Mitochondria are particularly abundant here.

Accepted Answer

A)   synapse
B)   axon terminal
C)   axon
D)   cell body
E)   dendriteF) All of the above
G) B) and C)

Question 15

The entire nerve is surrounded by a tough fibrous sheath called the

Accepted Answer

A)   endoneurium.
B)   perineurium.
C)   ectoneurium.
D)   epineurium.E) All of the above
F) B) and D)

Question 16

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

Accepted Answer

interneuro...

Question 17

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

Accepted Answer

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

Question 18

The difference between myelinated and unmyelinated axons in the PNS is that

Accepted Answer

A)   Schwann cells are not associated with unmyelinated axons.
B)   Schwann cells form more widely spaced nodes of Ranvier in unmyelinated axons.
C)   Schwann cells simultaneously surround multiple axons in myelinated axons.
D)   Schwann cells wrap around myelinated axons in concentric layers.E) A) and B)
F) None of the above

Question 19

Which of these is not a function of the nervous system?

Accepted Answer

A)   sensory input
B)   motor innervation to muscles or glands
C)   integration of motor and sensory information
D)   secreting hormones into the bloodstream to affect far-away organsE) All of the above
F) B) and C)

Question 20

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...

Exam 12: Fundamentals of the Nervous System and Nervous Tissue

Which of the following is the correct path an impulse takes across a synapse?

Correct AnswerverifiedShow Answer

The entire nerve is surrounded by a tough fibrous sheath called the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Of the following, which is the only structure that is in the PNS, as opposed to the CNS?

Correct AnswerverifiedShow Answer

A man walking barefoot stepped on a piece of glass. His foot jerked upward in which type of reflex?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The ________ of a presynaptic neuron associates with the dendrite of a postsynaptic neuron.

Correct AnswerverifiedShow Answer

________ processing occurs when information from a single neuron is sent along two or more pathways traveling in the same direction.

Correct AnswerverifiedShow Answer

Nonmyelinated axons

Correct AnswerverifiedShow Answer

In a converging circuit, one presynaptic neuron synapses with many other neurons.

Correct AnswerverifiedShow Answer

Special somatic senses have receptors that are located mostly in the head, including hearing and balance and vision.

Correct AnswerverifiedShow Answer

Which of these is not a function of the nervous system?

Correct AnswerverifiedShow Answer

Use the diagram pictured above to answer the following questions. -Identify the letter that indicates the region of a neuron where neurotransmitters are released.

Correct AnswerverifiedShow Answer

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

Correct Answerverifiedinterneuro...View AnswerShow Answer

A ________ circuit occurs when many neurons synapse onto one neuron.

Correct AnswerverifiedShow Answer

Mitochondria are particularly abundant here.

Correct AnswerverifiedShow Answer

The difference between myelinated and unmyelinated axons in the PNS is that

Correct AnswerverifiedShow Answer

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interneuro...
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