Question 1

As an axon approaches the cell onto which it will terminate,it generally branches repeatedly into several

Accepted Answer

A)  teloaxons.
B)  dendrites.
C)  collateral axons.
D)  telodendria.
E)  neurolemmocytes.F) B) and E)
G) B) and C)

Question 2

Which two distinct cell types form nervous tissue?

Accepted Answer

A)  Afferent cells and glial cells
B)  Peripheral cells and neurons
C)  Glial cells and neurons
D)  Peripheral cells and glial cells
E)  Glial cells and efferent cellsF) B) and E)
G) A) and C)

Question 3

This figure depicts a typical nerve.What structures are indicated by number 3?

Accepted Answer

A)  Myelin sheath
B)  Dendrites
C)  Fascicle
D)  Epineurium
E)  PerineuriumF) C) and E)
G) B) and E)

Question 4

Which glial cell provides structural support and organization to the CNS?

Accepted Answer

A)  Astrocyte
B)  Ependymal cell
C)  Neurolemmocyte
D)  Microglial cell
E)  OligodendrocyteF) C) and D)
G) All of the above

Question 5

Which statement is true regarding the action of an oligodendrocyte?

Accepted Answer

A)  Each oligodendrocyte can form a myelin sheath around many axons simultaneously.
B)  An oligodendrocyte is responsible for forming part of the blood-brain barrier.
C)  Oligodendrocytes function only within the PNS.
D)  Each oligodendrocyte can wrap only a 1mm portion of a single axon.
E)  A neurolemmocyte attacks pathogens.F) D) and E)
G) A) and E)

Question 6

Which glial cell helps replace damaged neurons?

Accepted Answer

A)  Astrocyte
B)  Ependymal cell
C)  Neurolemmocyte
D)  Microglial cell
E)  OligodendrocyteF) C) and D)
G) A) and B)

Question 7

A nerve

Accepted Answer

A)  contains a single axon.
B)  is found only in the CNS.
C)  carries only sensory information.
D)  carries information only toward the PNS.
E)  is a cablelike bundle of parallel axons.F) A) and D)
G) A) and C)

Question 8

Which glial cell has perivascular feet that wrap around capillaries in the CNS?

Accepted Answer

A)  Astrocyte
B)  Ependymal cell
C)  Neurolemmocyte
D)  Microglial cell
E)  OligodendrocyteF) A) and C)
G) A) and B)

Question 9

Nerve impulses involving pain stimuli travel along

Accepted Answer

A)  myelinated axons.
B)  unmyelinated axons.C) A) and B)
D) undefined

Question 10

What do all glial cells have in common?

Accepted Answer

A)  They help to transmit the nerve signals.
B)  They transfer blood to the various neurons.
C)  They assist neurons in their respective functions.
D)  They all attack pathogens.
E)  They absorb extra blood and cerebrospinal fluid.F) None of the above
G) A) and B)

Question 11

A neuron conducting an impulse from the CNS to the detrusor muscle of the urinary bladder would be classified as a(n) _________ _________ neuron.

Accepted Answer

A)  autonomic motor
B)  somatic sensory
C)  somatic motor
D)  visceral sensoryE) A) and D)
F) B) and C)

Question 12

Which of these is not a factor that influences regeneration of PNS axons?

Accepted Answer

A)  Amount of damage
B)  Secretion of nerve growth factors by neurolemmocytes
C)  Distance of the damaged axon from the receptor organ
D)  Distance of the damaged axon from the brain
E)  No exceptions;all of these affect regenerationF) None of the above
G) A) and B)

Question 13

The type of neuronal circuit in which several neurons process the same information at one time is a _____________ circuit.

Accepted Answer

A)  converging
B)  diverging
C)  reverberating
D)  parallel-after-discharge
E)  None of the choices is correct.F) B) and C)
G) A) and E)

Question 14

The type of neuronal circuit that spreads information from one presynaptic neuron to several postsynaptic neurons is a _____________ circuit.

Accepted Answer

A)  converging
B)  diverging
C)  reverberating
D)  parallel-after-discharge
E)  None of the choices is correct.F) B) and E)
G) C) and D)

Question 15

Saltatory conduction of a nerve impulse occurs only along myelinated axons.

Accepted Answer

A) True 
 B)False

Question 16

What is the connective tissue wrapping that surrounds bundles (fascicles) of axons?

Accepted Answer

A)  Epineurium
B)  Endoneurium
C)  Perineurium
D)  Endosteum
E)  PeriosteumF) B) and E)
G) None of the above

Question 17

You walk into a restaurant and amidst the sights,sounds,and smells of food preparation,you notice that you have begun to salivate.This is evidence that a particular neuronal circuit has been activated.Which one?

Accepted Answer

A)  Converging
B)  Diverging
C)  Reverberating
D)  Parallel-after-discharge
E)  None of the choices is correctF) None of the above
G) A) and C)

Question 18

All axons in the CNS and PNS are myelinated.

Accepted Answer

A) True 
 B)False

Question 19

Which cells help repair axons through the process called Wallerian degeneration?

Accepted Answer

A)  Oligodendrocytes
B)  Microglia
C)  Neurolemmocytes
D)  Astrocytes
E)  Special satellite cellF) A) and B)
G) A) and C)

Question 20

Which is not a general function of the nervous system?

Accepted Answer

A)  Transporting materials throughout the body
B)  Collecting information
C)  Processing and evaluating information
D)  Responding to information
E)  No exceptions;all are general functions of the nervous systemF) B) and D)
G) A) and E)

Exam 14: Nervous Tissue

Which cells help repair axons through the process called Wallerian degeneration?

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Which statement is true regarding the action of an oligodendrocyte?

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A nerve

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As an axon approaches the cell onto which it will terminate,it generally branches repeatedly into several

Correct AnswerverifiedShow Answer

Which glial cell provides structural support and organization to the CNS?

Correct AnswerverifiedShow Answer

The type of neuronal circuit that spreads information from one presynaptic neuron to several postsynaptic neurons is a _____________ circuit.

Correct AnswerverifiedShow Answer

All axons in the CNS and PNS are myelinated.

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A neuron conducting an impulse from the CNS to the detrusor muscle of the urinary bladder would be classified as a(n) _________ _________ neuron.

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Which of these is not a factor that influences regeneration of PNS axons?

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This figure depicts a typical nerve.What structures are indicated by number 3?

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Which glial cell has perivascular feet that wrap around capillaries in the CNS?

Correct AnswerverifiedShow Answer

What is the connective tissue wrapping that surrounds bundles (fascicles) of axons?

Correct AnswerverifiedShow Answer

You walk into a restaurant and amidst the sights,sounds,and smells of food preparation,you notice that you have begun to salivate.This is evidence that a particular neuronal circuit has been activated.Which one?

Correct AnswerverifiedShow Answer

Which is not a general function of the nervous system?

Correct AnswerverifiedShow Answer

Saltatory conduction of a nerve impulse occurs only along myelinated axons.

Correct AnswerverifiedShow Answer

Which glial cell helps replace damaged neurons?

Correct AnswerverifiedShow Answer

The type of neuronal circuit in which several neurons process the same information at one time is a _____________ circuit.

Correct AnswerverifiedShow Answer

Which two distinct cell types form nervous tissue?

Correct AnswerverifiedShow Answer

What do all glial cells have in common?

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Nerve impulses involving pain stimuli travel along

Correct AnswerverifiedShow Answer

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A neuron conducting an impulse from the CNS to the detrusor muscle of the urinary bladder would be classified as a(n) _ _ neuron.

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