Question 1

Current theories of the function of the basal ganglia emphasize their

Accepted Answer

A)  role in modulating motor output. 
B)  involvement in a variety of cognitive processes. 
C)  systematic anatomical organization. 
D)  all of the above 
E)  both A and B 
A)  role in modulating motor output. 
B)  involvement in a variety of cognitive processes. 
C)  systematic anatomical organization. 
D)  all of the above 
E)  both A and B

Question 2

Evidence suggests that the decision to initiate a voluntary response comes from the ____________ in concert with other areas of cortex.

Accepted Answer

A)  posterior occipital cortex 
B)  dorsolateral prefrontal cortex 
C)  primary motor cortex 
D)  premotor cortex 
E)  supplementary motor area 
A)  posterior occipital cortex 
B)  dorsolateral prefrontal cortex 
C)  primary motor cortex 
D)  premotor cortex 
E)  supplementary motor area

Question 3

Most axons of the dorsolateral corticorubrospinal tract synapse on

Accepted Answer

A)  muscles of the fingers and thumb. 
B)  muscles of the hands and wrists. 
C)  interneurons of the spinal gray matter that in turn synapse on motor neurons that project to the distal muscles of the arms and legs. 
D)  motor neurons that project to the fingers. 
E)  Betz cells. 
A)  muscles of the fingers and thumb. 
B)  muscles of the hands and wrists. 
C)  interneurons of the spinal gray matter that in turn synapse on motor neurons that project to the distal muscles of the arms and legs. 
D)  motor neurons that project to the fingers. 
E)  Betz cells.

Question 4

Apraxia typically affects

Accepted Answer

A)  only the left side of the body. 
B)  only the right side of the body. 
C)  both sides of the body. 
D)  only the arms. 
E)  only the legs. 
A)  only the left side of the body. 
B)  only the right side of the body. 
C)  both sides of the body. 
D)  only the arms. 
E)  only the legs.

Question 5

The somatotopic map of the primary motor cortex is called the motor __________.

Accepted Answer

The answer of The somatotopic map of the primary motor...

Question 6

The decussation in the medullary pyramids is part of the

Accepted Answer

A)  dorsolateral corticospinal tract. 
B)  dorsolateral corticorubrospinal tract. 
C)  ventromedial corticospinal tract. 
D)  ventromedial cortico-brainstem-spinal tract. 
E)  both C and D 
A)  dorsolateral corticospinal tract. 
B)  dorsolateral corticorubrospinal tract. 
C)  ventromedial corticospinal tract. 
D)  ventromedial cortico-brainstem-spinal tract. 
E)  both C and D

Question 7

In general,the ventromedial descending motor tracts control the muscles of the

Accepted Answer

A)  thumbs. 
B)  fingers. 
C)  trunk. 
D)  toes. 
E)  face. 
A)  thumbs. 
B)  fingers. 
C)  trunk. 
D)  toes. 
E)  face.

Question 8

During a stretch reflex,the extrafusal motor neuron is excited directly by the

Accepted Answer

A)  intrafusal motor neuron. 
B)  muscle spindle receptor. 
C)  spindle afferent neuron. 
D)  intrafusal muscle. 
E)  muscle. 
A)  intrafusal motor neuron. 
B)  muscle spindle receptor. 
C)  spindle afferent neuron. 
D)  intrafusal muscle. 
E)  muscle.

Question 9

In which of the following structures would the motor units likely be the smallest?

Accepted Answer

A)  finger 
B)  leg 
C)  arm 
D)  foot 
E)  back 
A)  finger 
B)  leg 
C)  arm 
D)  foot 
E)  back

Question 10

The effects of damage to the primary motor cortex include

Accepted Answer

A)  astereognosia. 
B)  difficulty in moving one part of the body independently of others. 
C)  paralysis. 
D)  all of the above 
E)  both A and B 
A)  astereognosia. 
B)  difficulty in moving one part of the body independently of others. 
C)  paralysis. 
D)  all of the above 
E)  both A and B

Question 11

The fact that the same basic movement can be carried out in different ways involving different muscles is called

Accepted Answer

A)  cocontraction. 
B)  a central sensorimotor program. 
C)  motor equivalence. 
D)  recurrent collateral inhibition. 
E)  sensorimotor equipotentiality. 
A)  cocontraction. 
B)  a central sensorimotor program. 
C)  motor equivalence. 
D)  recurrent collateral inhibition. 
E)  sensorimotor equipotentiality.

Question 12

Which part of the body has been found to be doubly represented in each primary motor area of monkeys?

Accepted Answer

A)  tongue 
B)  contralateral lip 
C)  contralateral hand 
D)  genitals 
E)  contralateral foot 
A)  tongue 
B)  contralateral lip 
C)  contralateral hand 
D)  genitals 
E)  contralateral foot

Question 13

Muscle contraction in the absence of movement is called __________ contraction.

Accepted Answer

The answer of Muscle contraction in the absence of movement...

Question 14

In neuroanatomy,"rubro" refers to the

Accepted Answer

A)  substantia nigra. 
B)  vestibular system. 
C)  caudate. 
D)  red nucleus. 
E)  cerebellum. 
A)  substantia nigra. 
B)  vestibular system. 
C)  caudate. 
D)  red nucleus. 
E)  cerebellum.

Question 15

The patellar tendon reflex is a

Accepted Answer

A)  conditioned reflex. 
B)  stretch reflex. 
C)  withdrawal reflex. 
D)  monosynaptic reflex. 
E)  both B and D 
A)  conditioned reflex. 
B)  stretch reflex. 
C)  withdrawal reflex. 
D)  monosynaptic reflex. 
E)  both B and D

Question 16

In contrast to the axons of the descending dorsolateral motor pathways,individual axons of the ventromedial pathways often terminate

Accepted Answer

A)  directly on motor neurons. 
B)  in two or more segments. 
C)  on both sides of the spinal cord. 
D)  both A and B 
E)  both B and C 
A)  directly on motor neurons. 
B)  in two or more segments. 
C)  on both sides of the spinal cord. 
D)  both A and B 
E)  both B and C

Question 17

The tiny motor neuron illustrated here is

Accepted Answer

A)  a spindle afferent neuron. 
B)  an intrafusal neuron. 
C)  an extrafusal neuron. 
D)  an agonist neuron. 
E)  an antagonist neuron. 
A)  a spindle afferent neuron. 
B)  an intrafusal neuron. 
C)  an extrafusal neuron. 
D)  an agonist neuron. 
E)  an antagonist neuron.

Question 18

The supplementary motor area and the premotor cortex are considered to be areas of

Accepted Answer

A)  the parietal lobe. 
B)  association cortex. 
C)  secondary somatosensory cortex. 
D)  secondary motor cortex. 
E)  the primary motor cortex. 
A)  the parietal lobe. 
B)  association cortex. 
C)  secondary somatosensory cortex. 
D)  secondary motor cortex. 
E)  the primary motor cortex.

Current theories of the function of the basal ganglia emphasize their

Evidence suggests that the decision to initiate a voluntary response comes from the ____________ in concert with other areas of cortex.

Most axons of the dorsolateral corticorubrospinal tract synapse on

Apraxia typically affects

The somatotopic map of the primary motor cortex is called the motor __________.

The decussation in the medullary pyramids is part of the

In general,the ventromedial descending motor tracts control the muscles of the

During a stretch reflex,the extrafusal motor neuron is excited directly by the

In which of the following structures would the motor units likely be the smallest?

The effects of damage to the primary motor cortex include

The fact that the same basic movement can be carried out in different ways involving different muscles is called

Which part of the body has been found to be doubly represented in each primary motor area of monkeys?

Muscle contraction in the absence of movement is called __________ contraction.

In neuroanatomy,"rubro" refers to the

The patellar tendon reflex is a

In contrast to the axons of the descending dorsolateral motor pathways,individual axons of the ventromedial pathways often terminate

The tiny motor neuron illustrated here is

The supplementary motor area and the premotor cortex are considered to be areas of

Biopsychology As a Neuroscience

Evolution, Genetics, and Experience

The Anatomy of the Nervous System

Neural Conduction and Synaptic Transmission

The Research Methods of Biopsychology

The Visual System

Mechanisms of Perception

Development of the Nervous System

Brain Damage and Neuroplasticity

Learning, Memory, and Amnesia

Hunger, eating, and Health

Hormones and Sex

Sleep, Dreaming, and Circadian Rhythms

Drug Addiction and the Brains Reward Circuits

Lateralization, language, and the Split Brain

Biopsychology of Emotion, stress, and Health

Biopsychology of Psychiatric Disorders

Filters

Exam 8: The Sensorimotor System

Current theories of the function of the basal ganglia emphasize their

Evidence suggests that the decision to initiate a voluntary response comes from the ____________ in concert with other areas of cortex.

Most axons of the dorsolateral corticorubrospinal tract synapse on

Apraxia typically affects

The somatotopic map of the primary motor cortex is called the motor __________.

The decussation in the medullary pyramids is part of the

In general,the ventromedial descending motor tracts control the muscles of the

During a stretch reflex,the extrafusal motor neuron is excited directly by the

In which of the following structures would the motor units likely be the smallest?

The effects of damage to the primary motor cortex include

The fact that the same basic movement can be carried out in different ways involving different muscles is called

Which part of the body has been found to be doubly represented in each primary motor area of monkeys?

Muscle contraction in the absence of movement is called __________ contraction.

In neuroanatomy,"rubro" refers to the

The patellar tendon reflex is a

In contrast to the axons of the descending dorsolateral motor pathways,individual axons of the ventromedial pathways often terminate

The tiny motor neuron illustrated here is

The supplementary motor area and the premotor cortex are considered to be areas of

Biopsychology As a Neuroscience

Evolution, Genetics, and Experience

The Anatomy of the Nervous System

Neural Conduction and Synaptic Transmission

The Research Methods of Biopsychology

The Visual System

Mechanisms of Perception

Development of the Nervous System

Brain Damage and Neuroplasticity

Learning, Memory, and Amnesia

Hunger, eating, and Health

Hormones and Sex

Sleep, Dreaming, and Circadian Rhythms

Drug Addiction and the Brains Reward Circuits

Lateralization, language, and the Split Brain

Biopsychology of Emotion, stress, and Health

Biopsychology of Psychiatric Disorders

Filters