Question 1

Speaking, piano playing, athletic skills, and other rapid movements would be most impaired by damage to which structure?

Accepted Answer

A)   Reticular formation
B)   Cerebellum
C)   Ventromedial hypothalamus
D)   Parasympathetic nervous systemE) None of the above
F) All of the above

Question 2

Cells in the prefrontal cortex, premotor cortex, and ____ prepare for a movement, sending messages to the primary motor cortex.

Accepted Answer

A)   posterior parietal cortex
B)   secondary motor cortex
C)   somatosensory cortex
D)   supplementary motor cortexE) B) and D)
F) A) and D)

Question 3

MPTP and some chemicals in herbicides:

Accepted Answer

A)   can damage cells of the substantia nigra.
B)   can cause Huntington's disease.
C)   are illegal designer drugs.
D)   are effective treatments for Parkinson's disease.E) A) and B)
F) A) and D)

Question 4

The structure composed of the caudate nucleus, putamen, and globus pallidus is the:

Accepted Answer

A)   basal ganglia.
B)   limbic system.
C)   cerebellum.
D)   sympathetic nervous system.E) A) and B)
F) C) and D)

Question 5

The basal ganglia work together to initiate movement by:

Accepted Answer

A)   ceasing to inhibit movement.
B)   inhibiting thalamic nuclei.
C)   exciting cerebellar nuclei.
D)   exciting spinal cord nuclei.E) A) and C)
F) A) and B)

Question 6

Which of the following is NOT true of Huntington's disease?

Accepted Answer

A)   It is controlled by a gene on chromosome 4.
B)   It is possible to predict with nearly 100% accuracy who will get the disease.
C)   It is generally treated with L-dopa.
D)   The average age of onset is around 40 years.E) A) and B)
F) All of the above

Question 7

Although Parkinson's disease is usually limited to old people, it has occurred in a small number of young people that:

Accepted Answer

A)   used a designer drug.
B)   used cocaine.
C)   lived near a nuclear power plant.
D)   were on low-protein diets.E) A) and D)
F) B) and D)

Question 8

Why is L-dopa effective in treating Parkinson's patients, but not dopamine?

Accepted Answer

L-dopa is able to cross the bl...

Question 9

Dopamine neurons are more vulnerable than most other neurons to damage caused by metabolic problems.

Accepted Answer

A) True 
 B)False

Question 10

The eye muscles have a ratio of about ____ axon(s)  per ????____ muscle fiber(s) .

Accepted Answer

A)   two, three
B)   one, three
C)   three, two
D)   three oneE) A) and D)
F) B) and C)

Question 11

What is the main function of the posterior parietal cortex?

Accepted Answer

It keeps track of th...

Question 12

Damage to one side of the lateral tract below the level of the medulla would most likely affect:

Accepted Answer

A)   fine motor control on the opposite side of the body.
B)   fine motor control on the same side of the body.
C)   bilateral control of the neck, shoulders, and trunk.
D)   rapid ballistic movements.E) A) and C)
F) C) and D)

Question 13

What type of muscle is responsible for the movement of your body through the environment?

Accepted Answer

A)   smooth
B)   striated
C)   cardiac
D)   syncarpousE) None of the above
F) A) and B)

Question 14

The absence of acetylcholine will cause a muscle to:

Accepted Answer

A)   relax.
B)   contract.
C)   fatigue.
D)   stretch.E) A) and D)
F) None of the above

Question 15

Which of the following is TRUE of Huntington's disease?

Accepted Answer

A)   There is a loss of dopamine neurons in the substantia nigra.
B)   The symptoms can be effectively treated.
C)   The earlier the onset, the more rapid the deterioration.
D)   It is caused by environmental toxins.E) B) and C)
F) A) and D)

Question 16

It is believed that exposure to herbicides and pesticides is:

Accepted Answer

A)   the primary cause of Parkinson's disease.
B)   a contributing factor in some cases of Huntington's disease.
C)   the primary cause of myasthenia gravis.
D)   a contributing factor in some cases of Parkinson's disease.E) A) and C)
F) All of the above

Question 17

Cardiac muscles have properties:

Accepted Answer

A)   just like those of smooth muscles.
B)   just like those of skeletal muscles.
C)   just like those of antagonistic muscles.
D)   intermediate between those of smooth and skeletal.E) C) and D)
F) B) and D)

Question 18

The sensory cortex produces a kind of activity called a readiness potential before any voluntary movement.

Accepted Answer

A) True 
 B)False

Question 19

If a new species were found with legs composed almost completely of fast-twitch muscles, what could we infer about its behavior?

Accepted Answer

A)   It could chase prey over long distances.
B)   It could chase prey only over short distances.
C)   It probably travels constantly.
D)   It probably moves slowly and grazes on vegetation.E) All of the above
F) B) and C)

Question 20

L-Dopa, a common treatment for Parkinson's disease, is a drug that:

Accepted Answer

A)   inhibits activity of the immune system.
B)   increases the brain's production of dopamine.
C)   blocks the enzyme acetylcholinesterase.
D)   facilitates the passage of sodium across neuron membranes.E) All of the above
F) A) and C)

Exam 8: Movement

Which of the following is TRUE of Huntington's disease?

Correct AnswerverifiedShow Answer

The eye muscles have a ratio of about ____ axon(s) per ????____ muscle fiber(s) .

Correct AnswerverifiedShow Answer

Why is L-dopa effective in treating Parkinson's patients, but not dopamine?

Correct AnswerverifiedL-dopa is able to cross the bl...View AnswerShow Answer

MPTP and some chemicals in herbicides:

Correct AnswerverifiedShow Answer

Although Parkinson's disease is usually limited to old people, it has occurred in a small number of young people that:

Correct AnswerverifiedShow Answer

Speaking, piano playing, athletic skills, and other rapid movements would be most impaired by damage to which structure?

Correct AnswerverifiedShow Answer

What is the main function of the posterior parietal cortex?

Correct AnswerverifiedIt keeps track of th...View AnswerShow Answer

Damage to one side of the lateral tract below the level of the medulla would most likely affect:

Correct AnswerverifiedShow Answer

The structure composed of the caudate nucleus, putamen, and globus pallidus is the:

Correct AnswerverifiedShow Answer

The absence of acetylcholine will cause a muscle to:

Correct AnswerverifiedShow Answer

Dopamine neurons are more vulnerable than most other neurons to damage caused by metabolic problems.

Correct AnswerverifiedShow Answer

Which of the following is NOT true of Huntington's disease?

Correct AnswerverifiedShow Answer

Cells in the prefrontal cortex, premotor cortex, and ____ prepare for a movement, sending messages to the primary motor cortex.

Correct AnswerverifiedShow Answer

Cardiac muscles have properties:

Correct AnswerverifiedShow Answer

L-Dopa, a common treatment for Parkinson's disease, is a drug that:

Correct AnswerverifiedShow Answer

It is believed that exposure to herbicides and pesticides is:

Correct AnswerverifiedShow Answer

The sensory cortex produces a kind of activity called a readiness potential before any voluntary movement.

Correct AnswerverifiedShow Answer

What type of muscle is responsible for the movement of your body through the environment?

Correct AnswerverifiedShow Answer

The basal ganglia work together to initiate movement by:

Correct AnswerverifiedShow Answer

If a new species were found with legs composed almost completely of fast-twitch muscles, what could we infer about its behavior?

Correct AnswerverifiedShow Answer

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The eye muscles have a ratio of about axon(s) per ???? muscle fiber(s) .

Correct Answer
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L-dopa is able to cross the bl...
View Answer

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It keeps track of th...
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