Question 1

A boxer's ability to sense the position of his arm and hand before planning a punch is dependent on the sense of:

Accepted Answer

A)   proprioception.
B)   somatosensation.
C)   pain.
D)   vision.

Question 2

In order to elicit movement, the motor cortex:

Accepted Answer

A)   has direct connections to the muscles.
B)   sends axons to the brainstem and spinal cord.
C)   controls isolated movement in a single muscle.
D)   relies on feedback from individual muscle fibers.

Question 3

Axons of the lateral corticospinal tract extend to what area?

Accepted Answer

A)   cerebellum
B)   cerebral cortex
C)   spinal cord
D)   Thalamus

Question 4

The motor cortex has direct connections to the muscles.

Accepted Answer

A) True 
 B)False

Question 5

Describe the areas and major functions of the primary motor cortex (include the relevant areas near to the motor cortex).

Accepted Answer

The answer of Describe the areas and major functions of...

Question 6

Patients with damage to the cerebellum are impaired at ____ movements, but relatively normal in making ____ movements.

Accepted Answer

A)   continuous, rapid
B)   imagining, continuous
C)   rapid, imagining
D)   imagining, rapid

Question 7

What is the most common drug in the treatment for Parkinson's disease?

Accepted Answer

A)   haloperidol
B)   physostigmine
C)   Dilantin
D)   L-dopa

Question 8

Which would be especially important when running up a flight of stairs at full speed?

Accepted Answer

A)   fast-twitch muscles
B)   slow-twitch muscles
C)   smooth muscles
D)   intermediate muscles

Question 9

The part of the cortex that is most active during preparations for a movement and less active during the movement itself is the:

Accepted Answer

A)   premotor cortex.
B)   somatosensory cortex.
C)   inferior temporal cortex.
D)   tabes dorsalis.

Question 10

Which of the following can be used as a presymptomatic test for Huntington's disease?

Accepted Answer

A)   differences in blood flow between the left and right hemispheres
B)   examination of chromosome 4
C)   a blood test that measures the concentration of phenylalanine
D)   tests of the P300 component of an evoked potential

Question 11

Parkinson's symptoms usually don't appear until 70-80% of the substantia nigra neurons have died.

Accepted Answer

A) True 
 B)False

Question 12

People with cerebellar damage are faster at shifting their attention to a particular visual location.

Accepted Answer

A) True 
 B)False

Question 13

One effect of an abnormal form of the protein huntingtin on neurons is to:

Accepted Answer

A)   increase dopamine release.
B)   damage the nucleus.
C)   block acetylcholine receptors.
D)   prevent the release of BDNF.

Question 14

People with damage to the parietal cortex appear to lack ____ related to voluntary movements.

Accepted Answer

A)   feelings of intention
B)   the ability to make conscious decisions
C)   a sense of timing
D)   muscle strength

Question 15

The reason why a dopamine pill is ineffective for treating Parkinson's disease is that:

Accepted Answer

A)   there is already too much dopamine present.
B)   dopamine does not cross the blood-brain barrier.
C)   it would have to be the size of a baseball to be effective.
D)   it is too expensive.

Question 16

A proprioceptor is sensitive to the:

Accepted Answer

A)   degree of relaxation or contraction of smooth muscle tissue.
B)   position and movement of a part of the body.
C)   percentage of fibers that are contracting within a muscle bundle.
D)   degree of fatigue in a muscle.

Question 17

Exercising at a high altitude where there is less oxygen is most likely to affect:

Accepted Answer

A)   intermediate fibers.
B)   anaerobic contraction.
C)   fast-twitch fibers.
D)   slow-twitch fibers.

Question 18

Which of the following would most likely happen with damage to the prefrontal cortex?

Accepted Answer

A)   Inability to move
B)   Loss of somatosensory experiences
C)   Poorly planned movements
D)   No effect on movement

Question 19

Most of the output from the globus pallidus to the thalamus releases:

Accepted Answer

A)   glutamate.
B)   ACh.
C)   dopamine.
D)   GABA

Question 20

A loss of dopamine activity leads to ____ stimulation of the motor cortex and ____ onset of movements.

Accepted Answer

A)   less; faster
B)   more; faster
C)   less; slower
D)   more; slower

Exam 8: Movement

Exercising at a high altitude where there is less oxygen is most likely to affect:

Correct AnswerverifiedShow Answer

Which of the following can be used as a presymptomatic test for Huntington's disease?

Correct AnswerverifiedShow Answer

Which would be especially important when running up a flight of stairs at full speed?

Correct AnswerverifiedShow Answer

One effect of an abnormal form of the protein huntingtin on neurons is to:

Correct AnswerverifiedShow Answer

A boxer's ability to sense the position of his arm and hand before planning a punch is dependent on the sense of:

Correct AnswerverifiedShow Answer

Which of the following would most likely happen with damage to the prefrontal cortex?

Correct AnswerverifiedShow Answer

Axons of the lateral corticospinal tract extend to what area?

Correct AnswerverifiedShow Answer

Patients with damage to the cerebellum are impaired at ____ movements, but relatively normal in making ____ movements.

Correct AnswerverifiedShow Answer

Describe the areas and major functions of the primary motor cortex (include the relevant areas near to the motor cortex).

Correct AnswerverifiedShow Answer

The part of the cortex that is most active during preparations for a movement and less active during the movement itself is the:

Correct AnswerverifiedShow Answer

Most of the output from the globus pallidus to the thalamus releases:

Correct AnswerverifiedShow Answer

A proprioceptor is sensitive to the:

Correct AnswerverifiedShow Answer

In order to elicit movement, the motor cortex:

Correct AnswerverifiedShow Answer

People with cerebellar damage are faster at shifting their attention to a particular visual location.

Correct AnswerverifiedShow Answer

What is the most common drug in the treatment for Parkinson's disease?

Correct AnswerverifiedShow Answer

The reason why a dopamine pill is ineffective for treating Parkinson's disease is that:

Correct AnswerverifiedShow Answer

Parkinson's symptoms usually don't appear until 70-80% of the substantia nigra neurons have died.

Correct AnswerverifiedShow Answer

People with damage to the parietal cortex appear to lack ____ related to voluntary movements.

Correct AnswerverifiedShow Answer

The motor cortex has direct connections to the muscles.

Correct AnswerverifiedShow Answer

A loss of dopamine activity leads to ____ stimulation of the motor cortex and ____ onset of movements.

Correct AnswerverifiedShow Answer

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Patients with damage to the cerebellum are impaired at movements, but relatively normal in making movements.

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A loss of dopamine activity leads to stimulation of the motor cortex and onset of movements.

Correct Answer
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