Question 1

Which statement explains how the lack of dopamine physiologically affects those individuals suffering from Parkinson disease?

Accepted Answer

A)   Without dopamine, the excitatory effects of acetylcholine are not restrained, thus postural muscles are overstimulated.
B)   Without dopamine, the excitatory effects of acetylcholine are inhibited, thus relaxing postural muscles.
C)   Without dopamine, the inhibitory effects of acetylcholine are not restrained, thus postural muscles are overstimulated.
D)   Without dopamine, the inhibitory effects of acetylcholine are restrained, thus relaxing postural muscles.E) C) and D)
F) None of the above A

Question 2

The secondary motor area activates groups of muscles rather than individual muscles.

Accepted Answer

A) True 
 B)False

Question 3

Both the pons and medulla oblongata have centers that help regulate respiration.

Accepted Answer

A) True 
 B)False

Question 4

The central nervous system directly or indirectly regulates or influences nearly every organ in the body.

Accepted Answer

A) True 
 B)False

Question 5

Audition is a function of the _____ lobe.

Accepted Answer

A)   occipital
B)   temporal
C)   parietal
D)   frontalE) B) and C)
F) A) and C)

Question 6

Which of the following is not true of the lateral corticospinal tract fibers?

Accepted Answer

A)   Most decussate.
B)   Most inhibit the lower motor neuron.
C)   They are referred to as pyramidal pathways.
D)   They originate in the cerebral cortex.E) B) and C)
F) A) and B)

Question 7

Spinal reflex centers are located in the gray matter of the spinal cord.

Accepted Answer

A) True 
 B)False

Question 8

The cerebrum is the second largest portion of the brain.

Accepted Answer

A) True 
 B)False

Question 9

Meningitis refers to inflammation of the:

Accepted Answer

A)   brain.
B)   meninges.
C)   spinal cord.
D)   cerebrospinal fluid.E) All of the above
F) None of the above

Question 10

Filum terminale is the name given to the dura mater below the spinal cord.

Accepted Answer

A) True 
 B)False

Question 11

What is a lumbar puncture? Why is it done?

Accepted Answer

A lumbar puncture, also known as a spina...

Question 12

Nerve fibers of the spinothalamic tract are:

Accepted Answer

A)   sensory.
B)   motor.
C)   descending.
D)   none of the above.E) All of the above
F) B) and D)

Question 13

A physician can use lumbar puncture to withdraw cerebrospinal fluid from the subarachnoid space in the lumbar region of the spinal cord.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is not a true statement about the cerebellum?

Accepted Answer

A)   Its name means "little brain."
B)   It has more neurons than any other part of the nervous system.
C)   Gray matter makes up the exterior cortex.
D)   All of the above statements are true.E) B) and C)
F) All of the above

Question 15

The cerebrospinal fluid is absorbed into the venous blood by the median foramen of Magendie.

Accepted Answer

A) True 
 B)False

Question 16

Impulses from the _____ play a part in arousing or alerting the cerebrum.

Accepted Answer

A)   pons
B)   thalamus
C)   cerebellum
D)   hypothalamusE) A) and B)
F) A) and C)

Question 17

Secondary sensory neurons conduct impulses from the spinal cord or brainstem to the:

Accepted Answer

A)   hypothalamus.
B)   thalamus.
C)   cerebellum.
D)   parietal lobe of the cerebrum.E) B) and D)
F) A) and B)

Question 18

Cerebrospinal fluid is not found in the subarachnoid space.

Accepted Answer

A) True 
 B)False

Question 19

The cerebellum performs all of the following functions except:

Accepted Answer

A)   coordinates control of muscle action.
B)   helps control posture.
C)   controls cardiac function.
D)   controls skeletal muscles to maintain balance.E) B) and D)
F) B) and C) C

Question 20

The shallow grooves of the cerebrum are called gyri.

Accepted Answer

A) True 
 B)False  False

Exam 20: Central Nervous System

Which statement explains how the lack of dopamine physiologically affects those individuals suffering from Parkinson disease?

Correct AnswerverifiedA

The secondary motor area activates groups of muscles rather than individual muscles.

Correct AnswerverifiedShow Answer

Both the pons and medulla oblongata have centers that help regulate respiration.

Correct AnswerverifiedShow Answer

The central nervous system directly or indirectly regulates or influences nearly every organ in the body.

Correct AnswerverifiedShow Answer

Audition is a function of the _____ lobe.

Correct AnswerverifiedShow Answer

Which of the following is not true of the lateral corticospinal tract fibers?

Correct AnswerverifiedShow Answer

Spinal reflex centers are located in the gray matter of the spinal cord.

Correct AnswerverifiedShow Answer

The cerebrum is the second largest portion of the brain.

Correct AnswerverifiedShow Answer

Meningitis refers to inflammation of the:

Correct AnswerverifiedShow Answer

Filum terminale is the name given to the dura mater below the spinal cord.

Correct AnswerverifiedShow Answer

What is a lumbar puncture? Why is it done?

Correct AnswerAnswered by ExamLex AIA lumbar puncture, also known as a spina...View AnswerShow Answer

Nerve fibers of the spinothalamic tract are:

Correct AnswerverifiedShow Answer

A physician can use lumbar puncture to withdraw cerebrospinal fluid from the subarachnoid space in the lumbar region of the spinal cord.

Correct AnswerverifiedShow Answer

Which of the following is not a true statement about the cerebellum?

Correct AnswerverifiedShow Answer

The cerebrospinal fluid is absorbed into the venous blood by the median foramen of Magendie.

Correct AnswerverifiedShow Answer

Impulses from the _____ play a part in arousing or alerting the cerebrum.

Correct AnswerverifiedShow Answer

Secondary sensory neurons conduct impulses from the spinal cord or brainstem to the:

Correct AnswerverifiedShow Answer

Cerebrospinal fluid is not found in the subarachnoid space.

Correct AnswerverifiedShow Answer

The cerebellum performs all of the following functions except:

Correct AnswerverifiedC

The shallow grooves of the cerebrum are called gyri.

Correct AnswerverifiedFalse

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Answered by ExamLex AI
A lumbar puncture, also known as a spina...
View Answer

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C

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False