Question 1

Using the figure above, identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label M.

Accepted Answer

A)   Globus pallidus
B)   Putamen
C)   Red nucleus
D)   Thalamus
E)   Caudate nucleusF) None of the above
G) B) and E)

Question 2

Using the figure above, identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label I.

Accepted Answer

A)   Lateral corticospinal tract
B)   Anterior spinocerebellar tract
C)   Lateral spinothalamic tract
D)   Rubrospinal tract
E)   Anterior corticospinal tractF) A) and B)
G) A) and E)

Question 3

The ________ tract carries information that controls muscle tone and balance.

Accepted Answer

A)   pyramidal
B)   reticulospinal
C)   tectospinal
D)   vestibulospinal
E)   rubrospinalF) A) and D)
G) A) and B)

Question 4

Sensations detected by the receptors of the anterior spinothalamic tracts include ________.

Accepted Answer

A)   proprioception
B)   pressure
C)   temperature
D)   fine touch
E)   All of the answers are correct.F) A) and E)
G) A) and D)

Question 5

The complex unconscious motor patterns that control activities such as riding a bicycle are located in the________.

Accepted Answer

A)   mesencephalon
B)   cerebellum
C)   hypothalamus
D)   cerebral nuclei
E)   medulla oblongataF) A) and B)
G) C) and E)

Question 6

Where would you expect to find CNS damage in a person who displays an inability to maintain posture and balance?

Accepted Answer

A)   vestibulospinal tracts
B)   corticospinal tracts
C)   corticobulbar tracts
D)   rubrospinal tracts
E)   reticulospinal tractsF) A) and E)
G) B) and C)

Question 7

Using the figure above, identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label F.

Accepted Answer

A)   Tectospinal tract
B)   Anterior spinothalamic tract
C)   Medial reticulospinal tract
D)   Vestibulospinal tract
E)   Rubrospinal tractF) D) and E)
G) None of the above

Question 8

Using the figure above, identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label E.

Accepted Answer

A)   Rubrospinal tract
B)   Vestibulospinal tract
C)   Reticulospinal tract
D)   Anterior corticospinal tract
E)   Tectospinal tractF) None of the above
G) B) and C)

Question 9

The hypothalamus initiates voluntary motor activity.

Accepted Answer

A) True 
 B)False

Question 10

Neurons whose cell bodies are located in the ventral posterolateral nucleus of the thalamus are called ________.

Accepted Answer

A)   pyramidal cells
B)   first-order neurons
C)   second-order neurons
D)   third-order neurons
E)   lower motor neuronsF) A) and D)
G) B) and D)

Question 11

Using the figure above, identify the labeled structure(s)  in each of the following questions:
-Identify the structure(s)  indicated by Label F.

Accepted Answer

A)   Anterior corticospinal tract
B)   Lateral spinothalamic tract
C)   Anterior spinocerebellar tract
D)   Lateral corticospinal tract
E)   Rubrospinal tractF) A) and C)
G) B) and D)

Question 12

Using the figure above, identify the labeled structure(s)  in each of the following questions.
-Identify the structure(s)  indicated by Label A.

Accepted Answer

A)   Tectum
B)   Reticular formation
C)   Red nucleus
D)   Globus pallidus
E)   Vestibular nucleusF) A) and E)
G) A) and B)

Question 13

Which area of the brain coordinates complex motor patterns?

Accepted Answer

A)   brainstem
B)   thalamus
C)   pons
D)   cerebral cortex
E)   cerebellumF) C) and D)
G) B) and C)

Question 14

The axons of most of the second-order neurons of the anterior spinocerebellar tract cross before entering the tract and then cross again within the cerebellum.

Accepted Answer

A) True 
 B)False

Question 15

Which of these movements or muscle groups is not controlled by motor information transmitted by the corticobulbar tracts?

Accepted Answer

A)   cranial, facial, pharyngeal, and laryngeal muscles
B)   eye movements
C)   muscles of the upper leg
D)   some superficial muscles of the back and neck
E)   intrinsic and extrinsic tongue musclesF) A) and D)
G) B) and E)

Question 16

A motor homunculus ________.

Accepted Answer

A)   is the site that determines the intensity of a pain stimulus
B)   is the location of referred pain
C)   provides an indication of the degree of fine motor control available
D)   is proportioned exactly the same as the sensory homunculus
E)   is proportional to the actual size of the represented body regionF) None of the above
G) A) and E)

Question 17

When a person displays a "startle response," in which reflexive changes in the position of the head, neck, and upper limbs occur in response to bright lights, sudden movements or loud noises, which of the following regions is responsible?

Accepted Answer

A)   vestibular nuclei
B)   reticulospinal tracts
C)   cerebral nuclei
D)   rubrospinal tracts
E)   tectospinal tractsF) B) and E)
G) A) and B)

Question 18

A first-order neuron ________.

Accepted Answer

A)   is the first neuron in any descending pathway
B)   is a neuron that extends down the spinal cord
C)   has its cell body located in the dorsal root ganglion
D)   projects the motor homunculus to the parietal lobe of the cerebellum
E)   carries information from the thalamus to the appropriate sensory area of the cerebral cortexF) C) and E)
G) None of the above

Question 19

The corticospinal tracts can be defined as ________.

Accepted Answer

A)   the control system for involuntary muscles
B)   a series of conscious, voluntary motor tracts
C)   subconscious motor pathways
D)   a series of ascending tracts
E)   an indirect motor systemF) A) and D)
G) None of the above

Question 20

All the levels of somatic motor control affect the activity of (the) ________.

Accepted Answer

A)   thalamus
B)   third-order neurons
C)   lower motor neurons
D)   medulla oblongata
E)   upper motor neuronsF) C) and D)
G) A) and B)

Exam 15: The Nervous System: Sensory and Motor Tracts of the Spinal Cord

All the levels of somatic motor control affect the activity of (the) ________.

Correct AnswerverifiedShow Answer

The axons of most of the second-order neurons of the anterior spinocerebellar tract cross before entering the tract and then cross again within the cerebellum.

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A first-order neuron ________.

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Sensations detected by the receptors of the anterior spinothalamic tracts include ________.

Correct AnswerverifiedShow Answer

Which of these movements or muscle groups is not controlled by motor information transmitted by the corticobulbar tracts?

Correct AnswerverifiedShow Answer

The ________ tract carries information that controls muscle tone and balance.

Correct AnswerverifiedShow Answer

Using the figure above, identify the labeled structure(s) in each of the following questions: -Identify the structure(s) indicated by Label F.

Correct AnswerverifiedShow Answer

Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label M.

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The hypothalamus initiates voluntary motor activity.

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Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label A.

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The corticospinal tracts can be defined as ________.

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Where would you expect to find CNS damage in a person who displays an inability to maintain posture and balance?

Correct AnswerverifiedShow Answer

Neurons whose cell bodies are located in the ventral posterolateral nucleus of the thalamus are called ________.

Correct AnswerverifiedShow Answer

A motor homunculus ________.

Correct AnswerverifiedShow Answer

Which area of the brain coordinates complex motor patterns?

Correct AnswerverifiedShow Answer

Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label E.

Correct AnswerverifiedShow Answer

The complex unconscious motor patterns that control activities such as riding a bicycle are located in the________.

Correct AnswerverifiedShow Answer

Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label F.

Correct AnswerverifiedShow Answer

Using the figure above, identify the labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label I.

Correct AnswerverifiedShow Answer

When a person displays a "startle response," in which reflexive changes in the position of the head, neck, and upper limbs occur in response to bright lights, sudden movements or loud noises, which of the following regions is responsible?

Correct AnswerverifiedShow Answer

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