Question 1

The part of the neuron that typically conducts nerve impulses away from the cell body is the ________.

Accepted Answer

A)   dendrite
B)   cell body
C)   synaptic cleft
D)   axonE) A) and C)
F) C) and D)

Question 2

The cell bodies of the ________ neurons are always located within the CNS.

Accepted Answer

A)   proprioceptor
B)   afferent
C)   motor
D)   sensoryE) C) and D)
F) A) and B)

Question 3

Match the following:
-Relay station for sensory impulses passing to the sensory cortex

Accepted Answer

A)  thalamus
B)  pituitary gland
C)  epithalamus
D)  medulla oblongata
E)  hypothalamusF) midbrainG) C) and E)
H) A) and D)

Question 4

Cranial nerve III is known as the ________ nerve.

Accepted Answer

A)   optic
B)   olfactory
C)   oculomotor
D)   trochlearE) A) and D)
F) B) and C)

Question 5

List and describe the protective structures found in the CNS.

Accepted Answer

1. The brain and spinal cord are protect...

Question 6

Nerve impulse transmissions occurring along myelinated neurons are called ________.

Accepted Answer

A)   saltatory conduction
B)   threshold
C)   graded potential
D)   sodium-potassium pump
E)   all-or-none responseF) B) and C)
G) C) and D)

Question 7

________ cells form the myelin sheaths around nerve fibers in the PNS.

Accepted Answer

A)   Satellite
B)   Ependymal
C)   Schwann
D)   NerveE) C) and D)
F) A) and C)

Question 8

A special group of neurons in the brain stem that plays a role in consciousness and the awake/sleep cycles is the ________.

Accepted Answer

A)   thalamus
B)   reticular activating system (RAS) 
C)   pineal gland
D)   limbic system
E)   cerebellumF) B) and E)
G) D) and E)

Question 9

The primary motor area allows us to consciously move our skeletal muscles.

Accepted Answer

A) True 
 B)False

Question 10

The vital centers for the control of visceral activities such as heart rate, breathing, blood pressure, swallowing, and vomiting are located in the ________.

Accepted Answer

A)   pons
B)   medulla oblongata
C)   midbrain
D)   cerebrum
E)   hypothalamusF) All of the above
G) B) and E)

Question 11

The ventral and dorsi rami of each spinal nerve contain both sensory and motor nerves.

Accepted Answer

A) True 
 B)False

Question 12

Complex networks of spinal nerves are termed nerve plexuses.

Accepted Answer

A) True 
 B)False

Question 13

Which one of the following statements about aging is most accurate?

Accepted Answer

A)   the brain reaches its maximum weight around the seventh decade of life
B)   synaptic connections are too fixed to permit a great deal of learning after the age of 35
C)   despite some neuronal loss, an unlimited number of neural pathways are available and ready to be developed; therefore, additional learning can occur throughout life
D)   learning throughout the adult and aging years is supported primarily by glial proliferation
E)   increased efficiency of the sympathetic nervous system enhances the ability to learnF) D) and E)
G) A) and E)

Question 14

The major role of the interneuron (association neuron)  is to ________.

Accepted Answer

A)   carry information from the central nervous system to muscles and/or the viscera
B)   form a lipid-protein (lipoprotein)  cell membrane on the outside of axons
C)   transmit nerve impulses from the skin and organs to the central nervous system
D)   connect motor and sensory neurons in their pathways
E)   detect the amount of stretch in skeletal muscles or tendons and their jointsF) A) and E)
G) B) and E)

Question 15

Using Figure 7.1, identify the following:
-The axon terminals are indicated by ________.

Accepted Answer

A)   Label I
B)   Label G
C)   Label B
D)   Label A
E)   Label CF) A) and B)
G) C) and D)

Question 16

Match the following:
-Stimulates sweat glands to produce perspiration

Accepted Answer

A)  Parasympathetic nervous system
B)  Sympathetic nervous systemC) A) and B)
D) undefined

Question 17

There are ________ pairs of cranial nerves and ________ pairs of spinal nerves in the peripheral nervous system.

Accepted Answer

A)   5; 7
B)   18; 34
C)   12; 31
D)   15; 25E) None of the above
F) B) and D)

Question 18

Using Figure 7.1, identify the following:
-The metabolic center of the neuron is indicated by ________.

Accepted Answer

A)   Label D
B)   Label F
C)   Label A
D)   Label H
E)   Label IF) D) and E)
G) A) and E)

Question 19

Sensory receptors located in muscles and tendons are termed ________.

Accepted Answer

A)   Meissner's corpuscles
B)   proprioceptors
C)   lamellar corpuscles
D)   association neuronsE) A) and C)
F) B) and C)

Question 20

The blood-brain barrier is effective against the passage of ________.

Accepted Answer

A)   water
B)   nutrients such as glucose
C)   alcohol
D)   anesthetics
E)   metabolic waste such as ureaF) C) and E)
G) All of the above

Exam 7: The Nervous System

Cranial nerve III is known as the ________ nerve.

Correct AnswerverifiedShow Answer

The major role of the interneuron (association neuron) is to ________.

Correct AnswerverifiedShow Answer

Sensory receptors located in muscles and tendons are termed ________.

Correct AnswerverifiedShow Answer

The part of the neuron that typically conducts nerve impulses away from the cell body is the ________.

Correct AnswerverifiedShow Answer

A special group of neurons in the brain stem that plays a role in consciousness and the awake/sleep cycles is the ________.

Correct AnswerverifiedShow Answer

Complex networks of spinal nerves are termed nerve plexuses.

Correct AnswerverifiedShow Answer

Nerve impulse transmissions occurring along myelinated neurons are called ________.

Correct AnswerverifiedShow Answer

The blood-brain barrier is effective against the passage of ________.

Correct AnswerverifiedShow Answer

Match the following: -Stimulates sweat glands to produce perspiration

Correct AnswerverifiedShow Answer

Using Figure 7.1, identify the following: -The metabolic center of the neuron is indicated by ________.

Correct AnswerverifiedShow Answer

There are ________ pairs of cranial nerves and ________ pairs of spinal nerves in the peripheral nervous system.

Correct AnswerverifiedShow Answer

List and describe the protective structures found in the CNS.

Correct Answerverified1. The brain and spinal cord are protect...View AnswerShow Answer

The ventral and dorsi rami of each spinal nerve contain both sensory and motor nerves.

Correct AnswerverifiedShow Answer

________ cells form the myelin sheaths around nerve fibers in the PNS.

Correct AnswerverifiedShow Answer

The vital centers for the control of visceral activities such as heart rate, breathing, blood pressure, swallowing, and vomiting are located in the ________.

Correct AnswerverifiedShow Answer

The cell bodies of the ________ neurons are always located within the CNS.

Correct AnswerverifiedShow Answer

The primary motor area allows us to consciously move our skeletal muscles.

Correct AnswerverifiedShow Answer

Which one of the following statements about aging is most accurate?

Correct AnswerverifiedShow Answer

Match the following: -Relay station for sensory impulses passing to the sensory cortex

Correct AnswerverifiedShow Answer

Using Figure 7.1, identify the following: -The axon terminals are indicated by ________.

Correct AnswerverifiedShow Answer

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There are pairs of cranial nerves and pairs of spinal nerves in the peripheral nervous system.

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1. The brain and spinal cord are protect...
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