Question 1

The presymptomatic test for Huntington's disease enables one to predict not only who will get the disease but also:

Accepted Answer

A)  the approximate age of onset. 
B)  what other diseases the person will get. 
C)  which drugs will best alleviate the disease. 
D)  which symptoms will become prominent first, and which ones later. 
A)  the approximate age of onset. 
B)  what other diseases the person will get. 
C)  which drugs will best alleviate the disease. 
D)  which symptoms will become prominent first, and which ones later.

Question 2

A man who has suffered from damage to the cerebellar cortex is given the finger-to-nose test. He is most likely to have trouble with which part of the task?

Accepted Answer

A)  Understanding the instructions 
B)  Controlling the initial, rapid movement 
C)  Holding his finger steady following the initial, rapid movement 
D)  Moving his finger to his nose following the brief hold function 
A)  Understanding the instructions 
B)  Controlling the initial, rapid movement 
C)  Holding his finger steady following the initial, rapid movement 
D)  Moving his finger to his nose following the brief hold function

Question 3

A striated muscle controls movement of the body in relation to the environment.

Accepted Answer

A) True 
 B)False

Question 4

A fixed sequence of movements is called a motor program.

Accepted Answer

A) True 
 B)False

Question 5

The relative percentage of fast- and slow-twitch fibers is unchangeable after birth.

Accepted Answer

A) True 
 B)False

Question 6

The eye muscles can be moved with greater precision than the biceps muscles because the:

Accepted Answer

A)  biceps have only slow-twitch muscles. 
B)  biceps have only fast-twitch muscles. 
C)  biceps are opposed by an antagonistic muscle; the eye muscles are not. 
D)  eye muscles have a lower ratio of muscle fibers to axons. 
A)  biceps have only slow-twitch muscles. 
B)  biceps have only fast-twitch muscles. 
C)  biceps are opposed by an antagonistic muscle; the eye muscles are not. 
D)  eye muscles have a lower ratio of muscle fibers to axons.

Question 7

In adulthood, the rooting and Babinski reflexes:

Accepted Answer

A)  continue to occur, just as in infancy. 
B)  are completely lost, as the reflexive connections disappear. 
C)  are suppressed, but they can return if cortical activity decreases. 
D)  are suppressed, but they can return if the person is motivated. 
A)  continue to occur, just as in infancy. 
B)  are completely lost, as the reflexive connections disappear. 
C)  are suppressed, but they can return if cortical activity decreases. 
D)  are suppressed, but they can return if the person is motivated.

Question 8

What is one of the main symptoms of Parkinson's disease?

Accepted Answer

A)  Rapid fatigue of the muscles 
B)  Loss of saccadic eye movements 
C)  Difficulty initiating movements 
D)  Inability to coordinate speech with movements 
A)  Rapid fatigue of the muscles 
B)  Loss of saccadic eye movements 
C)  Difficulty initiating movements 
D)  Inability to coordinate speech with movements

Question 9

The nuclei of the cerebellum (as opposed to the cerebellar cortex) are most important in:

Accepted Answer

A)  moving a finger rapidly toward a target. 
B)  holding a finger in a steady position. 
C)  using the hands to lift heavy weights. 
D)  coordinating the left hand with the right hand. 
A)  moving a finger rapidly toward a target. 
B)  holding a finger in a steady position. 
C)  using the hands to lift heavy weights. 
D)  coordinating the left hand with the right hand.

Question 10

The stretch reflex:

Accepted Answer

A)  results in a stretch. 
B)  is caused by a stretch. 
C)  inhibits motor neurons. 
D)  sends a message for a muscle to relax. 
A)  results in a stretch. 
B)  is caused by a stretch. 
C)  inhibits motor neurons. 
D)  sends a message for a muscle to relax.

Question 11

A motor program is a:

Accepted Answer

A)  mechanism that guides movement on the basis of sensory feedback. 
B)  mechanism that produces an alternation between two movements. 
C)  plan for training a brain-damaged person to walk. 
D)  movement that, once triggered, continues automatically until its completion. 
A)  mechanism that guides movement on the basis of sensory feedback. 
B)  mechanism that produces an alternation between two movements. 
C)  plan for training a brain-damaged person to walk. 
D)  movement that, once triggered, continues automatically until its completion.

Question 12

When an axon releases a transmitter at the nerve-muscle junction, the response of the muscle is to:

Accepted Answer

A)  always relax. 
B)  always contract. 
C)  relax or contract, depending on the transmitter. 
D)  relax or contract, depending on the duration and amount of transmitter. 
A)  always relax. 
B)  always contract. 
C)  relax or contract, depending on the transmitter. 
D)  relax or contract, depending on the duration and amount of transmitter.

Question 13

The biceps muscles of the arm have a ratio of ____ to more than a hundred fibers.

Accepted Answer

A)  four 
B)  three 
C)  one 
D)  two 
A)  four 
B)  three 
C)  one 
D)  two

Question 14

Most research on Parkinson's disease has focused on which part of the brain?

Accepted Answer

A)  Globus pallidus 
B)  Substantia nigra 
C)  Thalamus 
D)  Cortex 
A)  Globus pallidus 
B)  Substantia nigra 
C)  Thalamus 
D)  Cortex

Question 15

Taking a drug that blocks acetylcholine receptors would be helpful for a person with myasthenia gravis.

Accepted Answer

A) True 
 B)False

Question 16

What characteristic of L-dopa makes it an effective treatment for Parkinson's disease?

Accepted Answer

A)  L-dopa has a negative ionic charge. 
B)  L-dopa dissolves readily in water but poorly in fats. 
C)  L-dopa binds tightly to both glutamate and GABA synapses. 
D)  L-dopa can cross the blood-brain barrier. 
A)  L-dopa has a negative ionic charge. 
B)  L-dopa dissolves readily in water but poorly in fats. 
C)  L-dopa binds tightly to both glutamate and GABA synapses. 
D)  L-dopa can cross the blood-brain barrier.

Question 17

The cerebellum is most important for any process that requires:

Accepted Answer

A)  precise timing. 
B)  control of muscle strength. 
C)  comparison between the left and right hemispheres. 
D)  detecting the intensity of a stimulus. 
A)  precise timing. 
B)  control of muscle strength. 
C)  comparison between the left and right hemispheres. 
D)  detecting the intensity of a stimulus.

Question 18

The greater the number of Purkinje cells activated, the:

Accepted Answer

A)  less the collective duration of the response. 
B)  greater the collective duration of the response. 
C)  greater the strength of the response. 
D)  less the strength of the response. 
A)  less the collective duration of the response. 
B)  greater the collective duration of the response. 
C)  greater the strength of the response. 
D)  less the strength of the response.

Question 19

A ballistic movement:

Accepted Answer

A)  is a rhythmic alternation between two movements. 
B)  is guided by feedback during the course of the movement. 
C)  proceeds automatically once it has been triggered. 
D)  tends to overcorrect itself. 
A)  is a rhythmic alternation between two movements. 
B)  is guided by feedback during the course of the movement. 
C)  proceeds automatically once it has been triggered. 
D)  tends to overcorrect itself.

Question 20

What is the relationship between the lateral tract and the medial tract?

Accepted Answer

A)  Most movements are controlled by one or the other, but not both. 
B)  Most movements rely on both, which work in a cooperative fashion. 
C)  Most movements that are initiated by one are terminated by the other. 
D)  One is excitatory while the other is inhibitory. 
A)  Most movements are controlled by one or the other, but not both. 
B)  Most movements rely on both, which work in a cooperative fashion. 
C)  Most movements that are initiated by one are terminated by the other. 
D)  One is excitatory while the other is inhibitory.

The presymptomatic test for Huntington's disease enables one to predict not only who will get the disease but also:

A man who has suffered from damage to the cerebellar cortex is given the finger-to-nose test. He is most likely to have trouble with which part of the task?

A striated muscle controls movement of the body in relation to the environment.

A fixed sequence of movements is called a motor program.

The relative percentage of fast- and slow-twitch fibers is unchangeable after birth.

The eye muscles can be moved with greater precision than the biceps muscles because the:

In adulthood, the rooting and Babinski reflexes:

What is one of the main symptoms of Parkinson's disease?

The nuclei of the cerebellum (as opposed to the cerebellar cortex) are most important in:

The stretch reflex:

A motor program is a:

When an axon releases a transmitter at the nerve-muscle junction, the response of the muscle is to:

The biceps muscles of the arm have a ratio of ____ to more than a hundred fibers.

Most research on Parkinson's disease has focused on which part of the brain?

Taking a drug that blocks acetylcholine receptors would be helpful for a person with myasthenia gravis.

What characteristic of L-dopa makes it an effective treatment for Parkinson's disease?

The cerebellum is most important for any process that requires:

The greater the number of Purkinje cells activated, the:

A ballistic movement:

What is the relationship between the lateral tract and the medial tract?

The Major Issues

Nerve Cells and Nerve Impulses

Synapses

Anatomy of the Nervous System

Development and Plasticity of the Brain

Vision

The Other Sensory Systems

Wakefulness and Sleep

Internal Regulation

Reproductive Behaviors

Emotional Behaviors

The Biology of Learning and Memory

Cognitive Functions

Mood Disorders and Schizophrenia

Filters

Exam 8: Movement

The presymptomatic test for Huntington's disease enables one to predict not only who will get the disease but also:

A man who has suffered from damage to the cerebellar cortex is given the finger-to-nose test. He is most likely to have trouble with which part of the task?

A striated muscle controls movement of the body in relation to the environment.

A fixed sequence of movements is called a motor program.

The relative percentage of fast- and slow-twitch fibers is unchangeable after birth.

The eye muscles can be moved with greater precision than the biceps muscles because the:

In adulthood, the rooting and Babinski reflexes:

What is one of the main symptoms of Parkinson's disease?

The nuclei of the cerebellum (as opposed to the cerebellar cortex) are most important in:

The stretch reflex:

A motor program is a:

When an axon releases a transmitter at the nerve-muscle junction, the response of the muscle is to:

The biceps muscles of the arm have a ratio of ____ to more than a hundred fibers.

Most research on Parkinson's disease has focused on which part of the brain?

Taking a drug that blocks acetylcholine receptors would be helpful for a person with myasthenia gravis.

What characteristic of L-dopa makes it an effective treatment for Parkinson's disease?

The cerebellum is most important for any process that requires:

The greater the number of Purkinje cells activated, the:

A ballistic movement:

What is the relationship between the lateral tract and the medial tract?

The Major Issues

Nerve Cells and Nerve Impulses

Synapses

Anatomy of the Nervous System

Development and Plasticity of the Brain

Vision

The Other Sensory Systems

Wakefulness and Sleep

Internal Regulation

Reproductive Behaviors

Emotional Behaviors

The Biology of Learning and Memory

Cognitive Functions

Mood Disorders and Schizophrenia

Filters