Question 1

The ________ tract carries axons that do not cross over to the opposite side of the spinal cord.

Accepted Answer

A)  posterior spinocerebellar 
B)  anterior spinocerebellar 
C)  lateral spinothalamic 
D)  anterior spinothalamic 
E)  lateral corticospinal 
A)  posterior spinocerebellar 
B)  anterior spinocerebellar 
C)  lateral spinothalamic 
D)  anterior spinothalamic 
E)  lateral corticospinal

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)  Posterior spinocerebellar tract 
B)  Gracile fasciculus 
C)  Tectospinal tract 
D)  Reticulospinal tract 
E)  Cuneate fasciculus 
A)  Posterior spinocerebellar tract 
B)  Gracile fasciculus 
C)  Tectospinal tract 
D)  Reticulospinal tract 
E)  Cuneate fasciculus

Question 3

A neuron that ascends the spinal cord or brainstem and whose cell body is located in the posterior horn is called a(n)________.

Accepted Answer

A)  upper motor neuron 
B)  lower motor neuron 
C)  first-order neuron 
D)  second-order neuron 
E)  third-order neuron 
A)  upper motor neuron 
B)  lower motor neuron 
C)  first-order neuron 
D)  second-order neuron 
E)  third-order neuron

Question 4

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

Accepted Answer

A)  Cerebellar nuclei 
B)  Reticular formation 
C)  Tectum 
D)  Caudate nucleus 
E)  Putamen 
A)  Cerebellar nuclei 
B)  Reticular formation 
C)  Tectum 
D)  Caudate nucleus 
E)  Putamen

Question 5

The axons of the second-order neurons of the lateral spinothalamic tract cross to the opposite side of the spinal cord and carry sensations of pain and temperature.

Accepted Answer

A) True 
 B)False

Question 6

Predict the effects of a superficial injury to the spinocerebellar tracts.

Accepted Answer

The spinocerebellar tracts are responsib

Question 7

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

Accepted Answer

A)  Thalamus 
B)  Caudate nucleus 
C)  Pons 
D)  Globus pallidus 
E)  Putamen 
A)  Thalamus 
B)  Caudate nucleus 
C)  Pons 
D)  Globus pallidus 
E)  Putamen

Question 8

The neuron that relays commands from the CNS nuclei to the effectors is the ________ neuron.

Accepted Answer

A)  second-order 
B)  lower motor 
C)  first-order 
D)  upper motor 
E)  third-order 
A)  second-order 
B)  lower motor 
C)  first-order 
D)  upper motor 
E)  third-order

Question 9

The corticospinal tracts that synapse on motor neurons in the anterior horns of the spinal cord are visible as they descend along the ventral surface of the medulla as a pair of thick bands, the ________.

Accepted Answer

A)  olives 
B)  reticular formation 
C)  pyramids 
D)  medial lemniscus 
E)  peduncles 
A)  olives 
B)  reticular formation 
C)  pyramids 
D)  medial lemniscus 
E)  peduncles

Question 10

In motor pathways, axons of lower motor neurons exit the ________ and innervate ________.

Accepted Answer

A)  CNS; skeletal muscle 
B)  PNS; skeletal muscle 
C)  CNS; sensory receptor 
D)  PNS; sensory receptor 
E)  CNS; PNS 
A)  CNS; skeletal muscle 
B)  PNS; skeletal muscle 
C)  CNS; sensory receptor 
D)  PNS; sensory receptor 
E)  CNS; PNS

Question 11

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)  Gracile fasciculus 
B)  Lateral spinocerebellar tract 
C)  Cuneate fasciculus 
D)  Lateral spinothalamic tract 
E)  Anterior spinothalamic tract 
A)  Gracile fasciculus 
B)  Lateral spinocerebellar tract 
C)  Cuneate fasciculus 
D)  Lateral spinothalamic tract 
E)  Anterior spinothalamic tract

Question 12

The upper motor neurons of the rubrospinal tracts lie within the ________.

Accepted Answer

A)  vestibular nuclei 
B)  tectum 
C)  cerebellar nuclei 
D)  red nuclei 
E)  putamen 
A)  vestibular nuclei 
B)  tectum 
C)  cerebellar nuclei 
D)  red nuclei 
E)  putamen

Question 13

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

Accepted Answer

A)  Thalamus 
B)  Putamen 
C)  Inferior colliculus 
D)  Pons 
E)  Caudate nucleus 
A)  Thalamus 
B)  Putamen 
C)  Inferior colliculus 
D)  Pons 
E)  Caudate nucleus

Question 14

Along the length of the pyramids, about 15 percent of the axons continue along the spinal cord as the ________ tract.

Accepted Answer

A)  corticobulbar 
B)  lateral corticospinal 
C)  tectospinal 
D)  vestibulospinal 
E)  anterior corticospinal 
A)  corticobulbar 
B)  lateral corticospinal 
C)  tectospinal 
D)  vestibulospinal 
E)  anterior corticospinal

Question 15

Which of the following tracts carries proprioceptive information concerning the position of muscles, tendons, and joints to the cerebellum?

Accepted Answer

A)  rubrospinal 
B)  spinocerebellar 
C)  posterior (dorsal) column 
D)  spinothalamic 
E)  vestibulospinal 
A)  rubrospinal 
B)  spinocerebellar 
C)  posterior (dorsal) column 
D)  spinothalamic 
E)  vestibulospinal

Question 16

In the dorsal columns, axons from the dorsal roots of spinal nerves that enter the spinal cord inferior to T6 ascend within the ________.

Accepted Answer

A)  red nucleus 
B)  fasciculus cuneatus 
C)  medial lemniscus 
D)  gracile fasciculus 
E)  pyramids 
A)  red nucleus 
B)  fasciculus cuneatus 
C)  medial lemniscus 
D)  gracile fasciculus 
E)  pyramids

Question 17

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

Accepted Answer

A)  Lateral spinothalamic tract 
B)  Vestibulospinal tract 
C)  Reticulospinal tract 
D)  Rubrospinal tract 
E)  Tectospinal tract 
A)  Lateral spinothalamic tract 
B)  Vestibulospinal tract 
C)  Reticulospinal tract 
D)  Rubrospinal tract 
E)  Tectospinal tract

Question 18

Axons of the lower motor neurons of the anterior corticospinal tracts innervate ________.

Accepted Answer

A)  skeletal muscles that control skilled movements in the limbs 
B)  skeletal muscles of the neck and upper limb 
C)  muscles of the respiratory system 
D)  muscles of urinary bladder 
E)  muscles of the lower digestive tract 
A)  skeletal muscles that control skilled movements in the limbs 
B)  skeletal muscles of the neck and upper limb 
C)  muscles of the respiratory system 
D)  muscles of urinary bladder 
E)  muscles of the lower digestive tract

Question 19

The inferior medulla oblongata controls basic respiratory reflexes.

Accepted Answer

A) True 
 B)False

Question 20

The motor pathways of the autonomic nervous system ________.

Accepted Answer

A)  show a neuronal organization like that of the somatic nervous system 
B)  contain both upper and lower motor neurons 
C)  include only neurons located in the brain or spinal cord 
D)  control visceral effectors, such as smooth muscles, cardiac muscle, and glands 
E)  All of the answers are correct. 
A)  show a neuronal organization like that of the somatic nervous system 
B)  contain both upper and lower motor neurons 
C)  include only neurons located in the brain or spinal cord 
D)  control visceral effectors, such as smooth muscles, cardiac muscle, and glands 
E)  All of the answers are correct.

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

The ________ tract carries axons that do not cross over to the opposite side of the spinal cord.

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

A neuron that ascends the spinal cord or brainstem and whose cell body is located in the posterior horn is called a(n)________.

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

The axons of the second-order neurons of the lateral spinothalamic tract cross to the opposite side of the spinal cord and carry sensations of pain and temperature.

Predict the effects of a superficial injury to the spinocerebellar tracts.

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

The neuron that relays commands from the CNS nuclei to the effectors is the ________ neuron.

The corticospinal tracts that synapse on motor neurons in the anterior horns of the spinal cord are visible as they descend along the ventral surface of the medulla as a pair of thick bands, the ________.

In motor pathways, axons of lower motor neurons exit the ________ and innervate ________.

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

The upper motor neurons of the rubrospinal tracts lie within the ________.

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

Along the length of the pyramids, about 15 percent of the axons continue along the spinal cord as the ________ tract.

Which of the following tracts carries proprioceptive information concerning the position of muscles, tendons, and joints to the cerebellum?

In the dorsal columns, axons from the dorsal roots of spinal nerves that enter the spinal cord inferior to T6 ascend within the ________.

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

Axons of the lower motor neurons of the anterior corticospinal tracts innervate ________.

The inferior medulla oblongata controls basic respiratory reflexes.

The motor pathways of the autonomic nervous system ________.

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

Filters

In motor pathways, axons of lower motor neurons exit the and innervate .