Question 1

Match each part of the nervous system with its corresponding description.
-Subdivision of the efferent division that transmits information to smooth muscle, cardiac muscle, and glands

Accepted Answer

A)  Afferent division
B)  Autonomic nervous system
C)  Central nervous system
D)  Efferent division
E)  Parasympathetic divisionF) PNSG) Somatic nervous systemH) Sympathetic divisionI) A) and B)
J) C) and F)

Question 2

Part of the function of the astrocyte is to help feed the neurons.

Accepted Answer

A) True 
 B)False

Question 3

In an ipsilateral arc, the effectors and receptors are on opposite sides of the body.

Accepted Answer

A) True 
 B)False

Question 4

Name two types of tissue that are effectors.

Accepted Answer

Effectors in the context of the nervous ...

Question 5

Match each part of the nervous system with its corresponding description.
-Consists of all the outgoing pathways

Accepted Answer

A)  Afferent division
B)  Autonomic nervous system
C)  Central nervous system
D)  Efferent division
E)  Parasympathetic divisionF) PNSG) Somatic nervous systemH) Sympathetic divisionI) A) and B)
J) D) and H)

Question 6

Describe the somatic and autonomic nervous systems.

Accepted Answer

The somatic nervous system is responsibl...

Question 7

Most of the neurons in the brain and spinal cord are unipolar.

Accepted Answer

A) True 
 B)False

Question 8

Cranial nerves are considered part of the CNS.

Accepted Answer

A) True 
 B)False

Question 9

What protein molecule very similar to hemoglobin temporarily stores a "backup" supply of oxygen in nervous tissue?

Accepted Answer

A)  Myoglobin
B)  Neuroglobin
C)  Nissl substance
D)  NeurofibrilE) A) and B)
F) A) and C)

Question 10

Name the two ways in which neurons are classified. Name and describe the types of neurons in each classification.

Accepted Answer

Neurons are classified in two ways: stru...

Question 11

Interneurons reside in the:

Accepted Answer

A)  CNS and peripheral nervous system (PNS) .
B)  CNS only.
C)  PNS only.
D)  None of the above is correct.E) All of the above
F) C) and D)

Question 12

Which of the following is not true of a three-neuron ipsilateral reflex?

Accepted Answer

A)  It contains an interneuron.
B)  The impulse leaves the CNS on the same side as the one on which it entered.
C)  The impulse leaves the CNS on the side opposite to the one from which it entered.
D)  It stimulates an action potential in a motor neuron.E) B) and C)
F) None of the above

Question 13

Match each term with its definition or description.
-Fatty sheath around nerve fibers made by Schwann cells

Accepted Answer

A)  Cell body
B)  Axon
C)  Nodes of Ranvier
D)  Dendrite
E)  MyelinF) NeurofibrilsG) B) and D)
H) A) and B)

Question 14

Dendrites have many synaptic knobs so they can receive impulses from several other neurons at the same time.

Accepted Answer

A) True 
 B)False

Question 15

The axon hillock is actually part of the cell body of the neuron.

Accepted Answer

A) True 
 B)False

Question 16

Explain the types of reflex arc. Differentiate between a contralateral reflex arc and an ipsilateral reflex arc.

Accepted Answer

Reflex arcs are neural pathways that con...

Question 17

Which is true of a reflex arc?

Accepted Answer

A)  It does not involve the brain.
B)  It always consists of an afferent neuron and an efferent neuron.
C)  It always consists of an afferent neuron, an efferent neuron, and an interneuron.
D)  It always consists of an afferent neuron, an efferent neuron, the brain, and the spinal cord.E) B) and C)
F) A) and C)

Question 18

If a skeletal muscle moved, it would be responding to the somatic nervous system.

Accepted Answer

A) True 
 B)False

Question 19

Match each of the following cell types with its corresponding description.
-Produces the myelin sheath around nerve fibers in the CNS

Accepted Answer

A)  Astrocyte
B)  Oligodendrocyte
C)  Microglia
D)  Schwann cell
E)  Ependymal cellF) B) and E)
G) None of the above

Question 20

Neurons in the CNS have less chance of regenerating for all of the following reasons except:

Accepted Answer

A)  there is no neurolemma in cells of the CNS.
B)  astrocytes fill in the path of regrowth.
C)  microglia lay down scar tissue.
D)  All of these lessen the chance of healing in the CNS.E) None of the above
F) A) and D)

Exam 18: Nervous System Cells

Which is true of a reflex arc?

Correct AnswerverifiedShow Answer

Match each part of the nervous system with its corresponding description. -Subdivision of the efferent division that transmits information to smooth muscle, cardiac muscle, and glands

Correct AnswerverifiedShow Answer

Part of the function of the astrocyte is to help feed the neurons.

Correct AnswerverifiedShow Answer

Name the two ways in which neurons are classified. Name and describe the types of neurons in each classification.

Correct AnswerAnswered by ExamLex AINeurons are classified in two ways: stru...View AnswerShow Answer

Name two types of tissue that are effectors.

Correct AnswerAnswered by ExamLex AIEffectors in the context of the nervous ...View AnswerShow Answer

Which of the following is not true of a three-neuron ipsilateral reflex?

Correct AnswerverifiedShow Answer

What protein molecule very similar to hemoglobin temporarily stores a "backup" supply of oxygen in nervous tissue?

Correct AnswerverifiedShow Answer

In an ipsilateral arc, the effectors and receptors are on opposite sides of the body.

Correct AnswerverifiedShow Answer

Interneurons reside in the:

Correct AnswerverifiedShow Answer

Dendrites have many synaptic knobs so they can receive impulses from several other neurons at the same time.

Correct AnswerverifiedShow Answer

Neurons in the CNS have less chance of regenerating for all of the following reasons except:

Correct AnswerverifiedShow Answer

Describe the somatic and autonomic nervous systems.

Correct AnswerAnswered by ExamLex AIThe somatic nervous system is responsibl...View AnswerShow Answer

Cranial nerves are considered part of the CNS.

Correct AnswerverifiedShow Answer

Most of the neurons in the brain and spinal cord are unipolar.

Correct AnswerverifiedShow Answer

Match each part of the nervous system with its corresponding description. -Consists of all the outgoing pathways

Correct AnswerverifiedShow Answer

Explain the types of reflex arc. Differentiate between a contralateral reflex arc and an ipsilateral reflex arc.

Correct AnswerAnswered by ExamLex AIReflex arcs are neural pathways that con...View AnswerShow Answer

If a skeletal muscle moved, it would be responding to the somatic nervous system.

Correct AnswerverifiedShow Answer

The axon hillock is actually part of the cell body of the neuron.

Correct AnswerverifiedShow Answer

Match each term with its definition or description. -Fatty sheath around nerve fibers made by Schwann cells

Correct AnswerverifiedShow Answer

Match each of the following cell types with its corresponding description. -Produces the myelin sheath around nerve fibers in the CNS

Correct AnswerverifiedShow Answer

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Neurons are classified in two ways: stru...
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Effectors in the context of the nervous ...
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The somatic nervous system is responsibl...
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Reflex arcs are neural pathways that con...
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