Question 1

Which nuclei or centers are NOT correctly paired with the tracts to which they provide output?

Accepted Answer

A)  tectum-tectospinal tracts 
B)  red nuclei-rubrospinal tracts 
C)  reticular formation-reticulospinal tracts 
D)  vestibular nuclei-vestibulospinal tracts 
E)  colliculi-rubrospinal tracts 
A)  tectum-tectospinal tracts 
B)  red nuclei-rubrospinal tracts 
C)  reticular formation-reticulospinal tracts 
D)  vestibular nuclei-vestibulospinal tracts 
E)  colliculi-rubrospinal tracts E

Question 2

The corticobulbar tracts provide conscious motor control of skeletal muscles.

Accepted Answer

A) True 
 B)False  True

Question 3

The spinal tracts that regulate voluntary motor control of skeletal muscles on the opposite side of the body are the ________.

Accepted Answer

A)  corticospinal tracts 
B)  rubrospinal tracts 
C)  reticulospinal tracts 
D)  vestibulospinal tracts 
E)  spinothalamic tracts 
A)  corticospinal tracts 
B)  rubrospinal tracts 
C)  reticulospinal tracts 
D)  vestibulospinal tracts 
E)  spinothalamic tracts A

Question 4

Axons of upper motor neurons in the reticular formation descend in the reticulospinal tracts, and cross to the opposite side of the mesencephalon in the brainstem.

Accepted Answer

A) True 
 B)False

Question 5

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

Accepted Answer

A)  Anterior spinocerebellar tract 
B)  Anterior spinothalamic tract 
C)  Lateral spinothalamic tract 
D)  Posterior spinocerebellar tract 
E)  Posterior column 
A)  Anterior spinocerebellar tract 
B)  Anterior spinothalamic tract 
C)  Lateral spinothalamic tract 
D)  Posterior spinocerebellar tract 
E)  Posterior column

Question 6

The sensory homunculus is a functional map that shows (the)________.

Accepted Answer

A)  relative size of sensory regions in the body 
B)  number of muscles under the skin 
C)  number of sensory receptors representing the regions of the body 
D)  absolute size of sensory units 
E)  All of the answers are correct. 
A)  relative size of sensory regions in the body 
B)  number of muscles under the skin 
C)  number of sensory receptors representing the regions of the body 
D)  absolute size of sensory units 
E)  All of the answers are correct.

Question 7

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

Accepted Answer

A)  Caudate nucleus 
B)  Globus pallidus 
C)  Cerebellar nucleus 
D)  Red nucleus 
E)  Vestibular nucleus 
A)  Caudate nucleus 
B)  Globus pallidus 
C)  Cerebellar nucleus 
D)  Red nucleus 
E)  Vestibular nucleus

Question 8

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

Accepted Answer

A)  Colliculi 
B)  Basal nuclei 
C)  Reticular formation 
D)  Red nucleus 
E)  Cerebellar nuclei 
A)  Colliculi 
B)  Basal nuclei 
C)  Reticular formation 
D)  Red nucleus 
E)  Cerebellar nuclei

Question 9

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

Accepted Answer

A)  Lateral horn 
B)  Posterior horn 
C)  Lumbar enlargement 
D)  Ventral root 
E)  Dorsal root ganglion 
A)  Lateral horn 
B)  Posterior horn 
C)  Lumbar enlargement 
D)  Ventral root 
E)  Dorsal root ganglion

Question 10

The basal nuclei modify voluntary and reflexive motor patterns at the subconscious level.

Accepted Answer

A) True 
 B)False

Question 11

In a somatic motor pathway, the neuron that has a cell body in a CNS processing center is the ________.

Accepted Answer

A)  lower motor neuron 
B)  preganglionic neuron 
C)  upper motor neuron 
D)  postganglionic neuron 
E)  first-order neuron 
A)  lower motor neuron 
B)  preganglionic neuron 
C)  upper motor neuron 
D)  postganglionic neuron 
E)  first-order neuron

Question 12

Nuclei of subconscious motor pathways include which of the following?

Accepted Answer

A)  the vestibular nuclei and the superior colliculi 
B)  the inferior colliculi and the superior colliculi 
C)  the red nuclei and the reticular formation 
D)  the redl nuclei and the superior colliculi 
E)  All of the answers are correct. 
A)  the vestibular nuclei and the superior colliculi 
B)  the inferior colliculi and the superior colliculi 
C)  the red nuclei and the reticular formation 
D)  the redl nuclei and the superior colliculi 
E)  All of the answers are correct.

Question 13

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

Accepted Answer

A)  Rubrospinal tract 
B)  Anterior corticospinal tract 
C)  Tectospinal tract 
D)  Vestibulospinal tract 
E)  Reticulospinal tract 
A)  Rubrospinal tract 
B)  Anterior corticospinal tract 
C)  Tectospinal tract 
D)  Vestibulospinal tract 
E)  Reticulospinal tract

Question 14

The portion of the brain that controls and coordinates the movements necessary to play a keyboard instrument such as an organ or piano is the ________.

Accepted Answer

A)  corpus callosum 
B)  thalamus 
C)  medulla oblongata 
D)  diencephalon 
E)  cerebellum 
A)  corpus callosum 
B)  thalamus 
C)  medulla oblongata 
D)  diencephalon 
E)  cerebellum

Question 15

The posterior columns (medial lemniscal pathway)is ________.

Accepted Answer

A)  gray matter in the spinal cord that processes information about proprioception and touch 
B)  gray matter in the spinal cord that processes information about pain and temperature 
C)  white matter in the brainstem that conducts information about pressure, vibration and touch 
D)  white matter in the brainstem that conducts information about pain and temperature 
A)  gray matter in the spinal cord that processes information about proprioception and touch 
B)  gray matter in the spinal cord that processes information about pain and temperature 
C)  white matter in the brainstem that conducts information about pressure, vibration and touch 
D)  white matter in the brainstem that conducts information about pain and temperature

Question 16

Sensory information in the posterior columns ________.

Accepted Answer

A)  carries sensations of pain, temperature, and "crude" sensations of touch and pressure 
B)  decussate at the midline of the length of the pyramids 
C)  is carried by axons of first-order sensory neurons that synapse on second-order neurons in the dorsal horns of the spinal cord 
D)  is integrated by the ventral posterolateral nucleus of the thalamus 
E)  is defined as a loosely organized network of neurons that extends throughout the brainstem 
A)  carries sensations of pain, temperature, and "crude" sensations of touch and pressure 
B)  decussate at the midline of the length of the pyramids 
C)  is carried by axons of first-order sensory neurons that synapse on second-order neurons in the dorsal horns of the spinal cord 
D)  is integrated by the ventral posterolateral nucleus of the thalamus 
E)  is defined as a loosely organized network of neurons that extends throughout the brainstem

Question 17

The anterior spinothalamic tract carries information about proprioception.

Accepted Answer

A) True 
 B)False

Question 18

Which descending tracts synapse on lower motor neurons in the motor nuclei of cranial nerves controlling eye movements, facial muscles, jaw muscles, and some muscles of the neck and pharynx?

Accepted Answer

A)  lateral corticospinal 
B)  anterior corticospinal 
C)  corticobulbar 
D)  spinothalamic 
E)  posterior column 
A)  lateral corticospinal 
B)  anterior corticospinal 
C)  corticobulbar 
D)  spinothalamic 
E)  posterior column

Question 19

The spinothalamic tract is a(n)________ tract.

Accepted Answer

A)  descending 
B)  motor 
C)  ascending 
D)  efferent 
E)  transverse 
A)  descending 
B)  motor 
C)  ascending 
D)  efferent 
E)  transverse

Question 20

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

Accepted Answer

A)  Reticulospinal tract 
B)  Anterior median sulcus 
C)  Tectospinal tract 
D)  Anterior spinothalamic tract 
E)  Anterior corticospinal tract 
A)  Reticulospinal tract 
B)  Anterior median sulcus 
C)  Tectospinal tract 
D)  Anterior spinothalamic tract 
E)  Anterior corticospinal tract

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

Which nuclei or centers are NOT correctly paired with the tracts to which they provide output?

The corticobulbar tracts provide conscious motor control of skeletal muscles.

The spinal tracts that regulate voluntary motor control of skeletal muscles on the opposite side of the body are the ________.

Axons of upper motor neurons in the reticular formation descend in the reticulospinal tracts, and cross to the opposite side of the mesencephalon in the brainstem.

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

The sensory homunculus is a functional map that shows (the)________.

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

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

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

The basal nuclei modify voluntary and reflexive motor patterns at the subconscious level.

In a somatic motor pathway, the neuron that has a cell body in a CNS processing center is the ________.

Nuclei of subconscious motor pathways include which of the following?

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

The portion of the brain that controls and coordinates the movements necessary to play a keyboard instrument such as an organ or piano is the ________.

The posterior columns (medial lemniscal pathway)is ________.

Sensory information in the posterior columns ________.

The anterior spinothalamic tract carries information about proprioception.

Which descending tracts synapse on lower motor neurons in the motor nuclei of cranial nerves controlling eye movements, facial muscles, jaw muscles, and some muscles of the neck and pharynx?

The spinothalamic tract is a(n)________ tract.

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

Foundations: An Introduction to Anatomy

Foundations: The Cell

Foundations: Tissues and Early Embryology

The Integumentary System

The Skeletal System: Osseous Tissue and Skeletal Structure

The Skeletal System: Axial Division

The Skeletal System: Appendicular Division

The Skeletal System: Articulations

The Muscular System: Skeletal Muscle Tissue and Muscle Organization

The Muscular System: Axial Musculature

The Muscular System: Appendicular Musculature

Surface Anatomy and Cross-Sectional Anatomy

The Nervous System: Neural Tissue

The Nervous System: The Spinal Cord and Spinal Nerves

The Nervous System: The Brain and Cranial Nerves

The Nervous System: Autonomic Nervous System

The Nervous System: General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Vessels and Circulation

The Lymphatic System

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

Embryology and Human Development

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