Question 1

The ________ functions in the control of movements of the upper legs and the trunk.

Accepted Answer

A)  lateral corticospinal tract 
B)  ventral corticospinal tract 
C)  spinothalamic tract 
D)  rubrospinal tract 
E)  corticobulbar pathway 
A)  lateral corticospinal tract 
B)  ventral corticospinal tract 
C)  spinothalamic tract 
D)  rubrospinal tract 
E)  corticobulbar pathway

Question 2

The physical effects of a muscle twitch last longer than the action potential that triggered the contraction because

Accepted Answer

A)  muscle fibers lack elasticity. 
B)  it takes time to extrude calcium ions out of the fiber. 
C)  the acetylcholine molecules are slowly cleared from the neuromuscular junction. 
D)  the twitches run back and forth along the muscle fiber. 
E)  muscle fibers are thicker than axons. 
A)  muscle fibers lack elasticity. 
B)  it takes time to extrude calcium ions out of the fiber. 
C)  the acetylcholine molecules are slowly cleared from the neuromuscular junction. 
D)  the twitches run back and forth along the muscle fiber. 
E)  muscle fibers are thicker than axons.

Question 3

The ________ tract controls the distal part of the limbs.

Accepted Answer

The answer of The ________ tract controls the distal part...

Question 4

Our body movements are mediated by contraction of _______ muscle.

Accepted Answer

A)  intrafusal 
B)  skeletal 
C)  cardiac 
D)  smooth 
E)  non-striated 
A)  intrafusal 
B)  skeletal 
C)  cardiac 
D)  smooth 
E)  non-striated

Question 5

A key function of the rubrospinal tract is to

Accepted Answer

A)  interconnect the spinal cord with the substantia nigra. 
B)  modulate the activity of the ventromedial group. 
C)  control the movements of the eyes to a moving stimulus. 
D)  control movements of the forearms and hands. 
E)  provide the motivation for movement. 
A)  interconnect the spinal cord with the substantia nigra. 
B)  modulate the activity of the ventromedial group. 
C)  control the movements of the eyes to a moving stimulus. 
D)  control movements of the forearms and hands. 
E)  provide the motivation for movement.

Question 6

The net overall effect of the indirect pathway between the basal ganglia and the motor cortex through ________ is ________ for motor movement.

Accepted Answer

A)  GPi; excitatory 
B)  GPi; inhibitory 
C)  GPe; excitatory 
D)  the hypothalamus; excitatory 
E)  the substantia nigra; inhibitory 
A)  GPi; excitatory 
B)  GPi; inhibitory 
C)  GPe; excitatory 
D)  the hypothalamus; excitatory 
E)  the substantia nigra; inhibitory

Question 7

The ________ controls movements of the upper legs and trunk.

Accepted Answer

A)  lateral corticospinal tract 
B)  ventral corticospinal tract 
C)  spinothalamic tract 
D)  rubrospinal tract 
E)  corticobulbar pathway 
A)  lateral corticospinal tract 
B)  ventral corticospinal tract 
C)  spinothalamic tract 
D)  rubrospinal tract 
E)  corticobulbar pathway

Question 8

Muscle contraction occurs when the myosin cross bridges row along the length of the ______ filaments.

Accepted Answer

A)  myosin 
B)  actin 
C)  intrafusal 
D)  extrafusal 
E)  myofibril 
A)  myosin 
B)  actin 
C)  intrafusal 
D)  extrafusal 
E)  myofibril

Question 9

Which of the following is true of the motor homunculus?

Accepted Answer

A)  Damage to a part of the motor homunculus on one side of the brain would impair motor function of the entire body on the same side as the damage. 
B)  The homunculus represents the specific body muscle groups that are controlled by specific regions of the cortex. 
C)  The homunculus represents the specific body parts that send afferent signals to a specific region of the cortex. 
D)  There is only one homunculus in the human brain. 
E)  The homunculus depicts sensory function. 
A)  Damage to a part of the motor homunculus on one side of the brain would impair motor function of the entire body on the same side as the damage. 
B)  The homunculus represents the specific body muscle groups that are controlled by specific regions of the cortex. 
C)  The homunculus represents the specific body parts that send afferent signals to a specific region of the cortex. 
D)  There is only one homunculus in the human brain. 
E)  The homunculus depicts sensory function.

Question 10

The key outputs of the basal ganglia are to the

Accepted Answer

A)  primary motor cortex. 
B)  temporal cortex. 
C)  orbitofrontal cortex. 
D)  association cortex. 
E)  parietal cortex. 
A)  primary motor cortex. 
B)  temporal cortex. 
C)  orbitofrontal cortex. 
D)  association cortex. 
E)  parietal cortex.

The ________ functions in the control of movements of the upper legs and the trunk.

The physical effects of a muscle twitch last longer than the action potential that triggered the contraction because

The ________ tract controls the distal part of the limbs.

Our body movements are mediated by contraction of _______ muscle.

A key function of the rubrospinal tract is to

The net overall effect of the indirect pathway between the basal ganglia and the motor cortex through is for motor movement.

The ________ controls movements of the upper legs and trunk.

Muscle contraction occurs when the myosin cross bridges row along the length of the ______ filaments.

Which of the following is true of the motor homunculus?

The key outputs of the basal ganglia are to the

Introduction

Structure and Function of Cells of the Nervous System

Structure of the Nervous System

Psychopharmacology

Methods and Strategies of Research

Vision

Audition, the Body Senses, and the Chemical Senses

Sleep and Biological Rhythms

Reproductive Behavior

Emotion

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Exam 8: Control of Movement

The ________ functions in the control of movements of the upper legs and the trunk.

The physical effects of a muscle twitch last longer than the action potential that triggered the contraction because

The ________ tract controls the distal part of the limbs.

Our body movements are mediated by contraction of _______ muscle.

A key function of the rubrospinal tract is to

The net overall effect of the indirect pathway between the basal ganglia and the motor cortex through ________ is ________ for motor movement.

The ________ controls movements of the upper legs and trunk.

Muscle contraction occurs when the myosin cross bridges row along the length of the ______ filaments.

Which of the following is true of the motor homunculus?

The key outputs of the basal ganglia are to the

Introduction

Structure and Function of Cells of the Nervous System

Structure of the Nervous System

Psychopharmacology

Methods and Strategies of Research

Vision

Audition, the Body Senses, and the Chemical Senses

Sleep and Biological Rhythms

Reproductive Behavior

Emotion

Ingestive Behavior

Learning and Memory

Human Communication

Neurological Disorders

Schizophrenia and the Affective Disorders

Anxiety Disorders, Autistic Disorder, Attention-Deficithyperactivity Disorder, and Stress Disorders

Drug Abuse

Filters

The net overall effect of the indirect pathway between the basal ganglia and the motor cortex through is for motor movement.