Question 1

What structure does number 5 indicate?

Accepted Answer

A)  Neurofibril node
B)  Myelin sheath
C)  Nucleus
D)  Perivascular foot
E)  Ependymal cellF) B) and D)
G) A) and B)

Question 2

Axons terminate at each of these locations except

Accepted Answer

A)  other neurons.
B)  bone.
C)  smooth muscle cells.
D)  glands.
E)  skeletal muscles cells.F) B) and D)
G) A) and E)

Question 3

This condition is a disorder of the peripheral nervous system characterized by muscle weakness that begins in the distal limbs,but rapidly advances to involve proximal muscles as well.

Accepted Answer

A)  Guillain-Barré syndrome
B)  Parkinson disease
C)  Multiple sclerosis
D)  Amyotrophic lateral sclerosis
E)  None of the choices is correct.F) A) and B)
G) A) and C)

Question 4

Which is not a step in the process of Wallerian degeneration?

Accepted Answer

A)  Neurolemmocytes form regeneration tube.
B)  Proximal portion of severed axon seals off.
C)  Effector is reinnervated.
D)  Macrophages remove debris.
E)  No exceptions;all of these are steps in the process.F) C) and E)
G) C) and D)

Question 5

What structures extend into the axon and dendrite of a neuron to provide tensile strength?

Accepted Answer

A)  Motor filaments
B)  Nissl bodies
C)  Telodendria
D)  Neurofibrils
E)  Collateral fibersF) B) and E)
G) C) and D)

Question 6

As the distance between a damaged axon and its receptor organ increases,the possibility of repair increases.

Accepted Answer

A) True 
 B)False

Question 7

Which does not belong to the peripheral nervous system?

Accepted Answer

A)  Ganglion
B)  Cranial nerve
C)  Spinal cord
D)  Peripheral nerve
E)  Spinal nerveF) A) and D)
G) B) and E)

Question 8

The glossy-white appearance of most axons is due to

Accepted Answer

A)  the high lipid content of the myelin sheath.
B)  their proximity to light-reflecting cartilage.
C)  their proximity to white bone.
D)  the white color of the perivascular feet.
E)  the covering of ependymal cells.F) A) and E)
G) B) and E)

Question 9

The neurons that are responsible for integrating information by retrieving,processing,storing,and "deciding" how the body responds to stimuli are

Accepted Answer

A)  sensory neurons.
B)  motor neurons.
C)  accessory neurons.
D)  correlation neurons.
E)  interneurons.F) A) and D)
G) D) and E)

Question 10

Which is not a type of neuronal pool?

Accepted Answer

A)  Converging
B)  Triangular
C)  Diverging
D)  Parallel-after-discharge
E)  ReverberatingF) A) and E)
G) None of the above

Question 11

What type of circuit is used to maintain body posture while walking?

Accepted Answer

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

Question 12

Neural stem cells in the CNS

Accepted Answer

A)  have no known function.
B)  can only form glial cells.
C)  can form new neurons throughout the CNS.
D)  can form new neurons in only certain portions of the CNS such as the hippocampus.
E)  can migrate to the PNS as needed.F) None of the above
G) A) and D)

Question 13

The epineurium is composed of

Accepted Answer

A)  dense regular connective tissue.
B)  simple squamous epithelium.
C)  dense irregular connective tissue.
D)  areolar connective tissue.
E)  pseudostratified nonkeratinized epithelium.F) A) and E)
G) A) and D)

Question 14

Which is not characteristic of neurons?

Accepted Answer

A)  High mitotic rate
B)  High metabolic rate
C)  Require continuous supplies of glucose and oxygen
D)  Extreme longevity
E)  No exceptions;all of these are characteristic of neuronsF) B) and C)
G) D) and E)

Question 15

The most abundant glial cell in the CNS is the

Accepted Answer

A)  astrocyte.
B)  ependymal cell.
C)  neurolemmocyte.
D)  microglial cell.
E)  oligodendrocyte.F) A) and B)
G) A) and C)

Question 16

Of the two types of synapses,based on mode of communication,which is less common but allows faster signal transmission?

Accepted Answer

A)  Chemical synapse
B)  Mechanical synapse
C)  Physical synapse
D)  Magnetic synapse
E)  Electrical synapseF) C) and D)
G) B) and D)

Question 17

The type of neuronal circuit that ensures that we continue to breathe while asleep is a _____________ circuit.

Accepted Answer

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

Question 18

Which glial cell myelinates and insulates axons in the peripheral nervous system?

Accepted Answer

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

Question 19

This figure depicts a typical neuron.What structures are indicated by number 1?

Accepted Answer

A)  Axon hillocks
B)  Dendrites
C)  Axon collaterals
D)  Telodendria
E)  Synaptic knobsF) C) and D)
G) A) and D)

Question 20

The glial cell that helps to circulate cerebrospinal fluid is the

Accepted Answer

A)  astrocyte.
B)  ependymal cell.
C)  neurolemmocyte.
D)  microglial cell.
E)  oligodendrocyte.F) C) and E)
G) A) and B)

Exam 14: Nervous Tissue

The glossy-white appearance of most axons is due to

Correct AnswerverifiedShow Answer

Which does not belong to the peripheral nervous system?

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The type of neuronal circuit that ensures that we continue to breathe while asleep is a _____________ circuit.

Correct AnswerverifiedShow Answer

Of the two types of synapses,based on mode of communication,which is less common but allows faster signal transmission?

Correct AnswerverifiedShow Answer

The neurons that are responsible for integrating information by retrieving,processing,storing,and "deciding" how the body responds to stimuli are

Correct AnswerverifiedShow Answer

Which is not a type of neuronal pool?

Correct AnswerverifiedShow Answer

Which glial cell myelinates and insulates axons in the peripheral nervous system?

Correct AnswerverifiedShow Answer

What structures extend into the axon and dendrite of a neuron to provide tensile strength?

Correct AnswerverifiedShow Answer

Axons terminate at each of these locations except

Correct AnswerverifiedShow Answer

Which is not a step in the process of Wallerian degeneration?

Correct AnswerverifiedShow Answer

Neural stem cells in the CNS

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Which is not characteristic of neurons?

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What type of circuit is used to maintain body posture while walking?

Correct AnswerverifiedShow Answer

The most abundant glial cell in the CNS is the

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The epineurium is composed of

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As the distance between a damaged axon and its receptor organ increases,the possibility of repair increases.

Correct AnswerverifiedShow Answer

This condition is a disorder of the peripheral nervous system characterized by muscle weakness that begins in the distal limbs,but rapidly advances to involve proximal muscles as well.

Correct AnswerverifiedShow Answer

What structure does number 5 indicate?

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This figure depicts a typical neuron.What structures are indicated by number 1?

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The glial cell that helps to circulate cerebrospinal fluid is the

Correct AnswerverifiedShow Answer

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