Question 1

Name four characteristics that distinguish neuroglial cells from neurons.

Accepted Answer

Glial cells are smaller, they ...

Question 2

In this part of a neuron, neurofilaments, actin microfilaments, and microtubules are particularly abundant, providing structural support and a transport network.

Accepted Answer

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

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

________ form the myelin sheaths in the brain and spinal cord.

Accepted Answer

The answer of ________ form the myelin sheaths in the...

Question 5

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 E)
G) A) and D)

Question 6

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 7

In an axodendritic synapse, the region of the postsynaptic neuron that binds the released neurotransmitter is the ________.

Accepted Answer

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

Question 8

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

Question 9

This region of a neuron contains chromatophilic substance or Nissl bodies.

Accepted Answer

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

Question 10

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 11

The simplest of all reflexes is the ________ reflex.

Accepted Answer

The answer of The simplest of all reflexes is the...

Question 12

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 E)
G) None of the above

Question 13

Ganglia represent

Accepted Answer

A)   groups of axons.
B)   groups of dendrites.
C)   groups of neuron cell bodies.
D)   groups of synapses.E) A) and D)
F) A) and C) C

Question 14

Figure 12.1
Use the diagram pictured above to answer the following questions.
-Identify the letter that indicates the gaps between Schwann cells that are known as myelin sheath gaps (nodes of Ranvier) .

Accepted Answer

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

Question 15

Most neurons in the body are multipolar neurons.

Accepted Answer

A) True 
 B)False

Question 16

White matter represents

Accepted Answer

A)   aggregations of neuron cell bodies in the brain.
B)   aggregations of neuron cell bodies in the spinal cord.
C)   myelinated axons traveling together in the CNS.
D)   dendrites traveling together in the ANS.E) None of the above
F) C) and D) C

Question 17

Which of the following statements about an axon is False?

Accepted Answer

A)   It is also referred to as a nerve fiber.
B)   It has branches.
C)   It carries nerve impulses toward the cell body.
D)   It has a uniform diameter.E) A) and D)
F) C) and D)

Question 18

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) None of the above
G) A) and D) C

Question 19

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) C) and D)
G) All of the above

Question 20

Which of the following statements about neurotransmitters is False?

Accepted Answer

A)   They alter the permeability of the postsynaptic cell membrane.
B)   They are waves of positive charges that travel down axons.
C)   They are released from synaptic vesicles.
D)   They diffuse across the synaptic cleft.E) C) and D)
F) None of the above

Exam 12: Fundamentals of the Nervous System and Nervous Tissue

Name four characteristics that distinguish neuroglial cells from neurons.

Correct AnswerverifiedGlial cells are smaller, they ...View AnswerShow Answer

In this part of a neuron, neurofilaments, actin microfilaments, and microtubules are particularly abundant, providing structural support and a transport network.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

________ form the myelin sheaths in the brain and spinal cord.

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In an axodendritic synapse, the region of the postsynaptic neuron that binds the released neurotransmitter is the ________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

This region of a neuron contains chromatophilic substance or Nissl bodies.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The simplest of all reflexes is the ________ reflex.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Ganglia represent

Correct AnswerverifiedC

Figure 12.1 Use the diagram pictured above to answer the following questions. -Identify the letter that indicates the gaps between Schwann cells that are known as myelin sheath gaps (nodes of Ranvier) .

Correct AnswerverifiedShow Answer

Most neurons in the body are multipolar neurons.

Correct AnswerverifiedShow Answer

White matter represents

Correct AnswerverifiedC

Which of the following statements about an axon is False?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

Which of the following statements about neurotransmitters is False?

Correct AnswerverifiedShow Answer

Correct Answer
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