Question 1

-What does "D" represent?

Accepted Answer

A)  central canal 
B)  ventral root 
C)  dorsal root ganglion 
D)  spinal nerve 
E)  dorsal root 
A)  central canal 
B)  ventral root 
C)  dorsal root ganglion 
D)  spinal nerve 
E)  dorsal root

Question 2

Improper use of crutches could cause compression of the _____ nerve.

Accepted Answer

A)  axillary 
B)  radial 
C)  musculocutaneous 
D)  ulnar 
E)  median 
A)  axillary 
B)  radial 
C)  musculocutaneous 
D)  ulnar 
E)  median

Question 3

Match the term with the correct definition.
-arachnoid mater

Accepted Answer

A) functional unit of the nervous system 
B) most superficial and thickest meninx 
C) the middle meninx 
D) the meninx bound tightly to brain and spinal cord 
E) separates dura mater from periosteum 
A) functional unit of the nervous system 
B) most superficial and thickest meninx 
C) the middle meninx 
D) the meninx bound tightly to brain and spinal cord 
E) separates dura mater from periosteum

Question 4

Match the disorder with its description.
-sciatica

Accepted Answer

A) pain radiating down the back of the thigh and leg 
B) stiffness in the neck and headache 
C) inflammation of a nerve 
D) pain along a nerve tract 
E) loss of sensation 
A) pain radiating down the back of the thigh and leg 
B) stiffness in the neck and headache 
C) inflammation of a nerve 
D) pain along a nerve tract 
E) loss of sensation

Question 5

In the Golgi tendon reflex,

Accepted Answer

A)  muscle spindles detect tension in a tendon. 
B)  alpha motor neurons are inhibited causing muscle relaxation. 
C)  gamma motor neurons cause muscle contraction. 
D)  there is reciprocal innervation to facilitate the reflex. 
E)  alpha motor neurons are stimulated causing muscle contraction. 
A)  muscle spindles detect tension in a tendon. 
B)  alpha motor neurons are inhibited causing muscle relaxation. 
C)  gamma motor neurons cause muscle contraction. 
D)  there is reciprocal innervation to facilitate the reflex. 
E)  alpha motor neurons are stimulated causing muscle contraction.

Question 6

Match the nerve to the correct function.
-median nerve

Accepted Answer

A) provides motor innervation to the biceps brachii 
B) innervates two forearm muscles plus most of the intrinsic hand muscles 
C) innervates all but one of the flexor muscles of the forearm and most of the hand muscles near the thumb 
D) innervates the deltoid and teres minor muscles 
E) innervates the triceps brachii 
A) provides motor innervation to the biceps brachii 
B) innervates two forearm muscles plus most of the intrinsic hand muscles 
C) innervates all but one of the flexor muscles of the forearm and most of the hand muscles near the thumb 
D) innervates the deltoid and teres minor muscles 
E) innervates the triceps brachii

Question 7

Match the term with the correct definition.
-pia mater

Accepted Answer

A) functional unit of the nervous system 
B) most superficial and thickest meninx 
C) the middle meninx 
D) the meninx bound tightly to brain and spinal cord 
E) separates dura mater from periosteum 
A) functional unit of the nervous system 
B) most superficial and thickest meninx 
C) the middle meninx 
D) the meninx bound tightly to brain and spinal cord 
E) separates dura mater from periosteum

Question 8

Nerve fibers in the phrenic nerves that innervated the diaphragm arise primarily from which plexus?

Accepted Answer

A)  brachial 
B)  cervical 
C)  lumbar 
D)  sacral 
E)  cranial 
A)  brachial 
B)  cervical 
C)  lumbar 
D)  sacral 
E)  cranial

Question 9

If the ventral root of a spinal nerve were cut, the regions innervated by that spinal nerve would experience complete loss of

Accepted Answer

A)  sensation. 
B)  movement. 
C)  sensation and movement. 
D)  pain. 
E)  None of these choices is correct. 
A)  sensation. 
B)  movement. 
C)  sensation and movement. 
D)  pain. 
E)  None of these choices is correct.

Question 10

Which of the following is false?

Accepted Answer

A)  The dorsal root of the spinal cord conveys sensory (afferent) nerve impulses to the spinal cord. 
B)  The posterior horn of the cord contains the cell bodies of motor neurons. 
C)  The ventral root is formed by the axons of neurons in the lateral and anterior horns. 
D)  The dorsal and ventral roots unite to form spinal nerves. 
E)  The ventral root of the spinal cord conveys motor (efferent) nerve impulses away from the spinal cord. 
A)  The dorsal root of the spinal cord conveys sensory (afferent) nerve impulses to the spinal cord. 
B)  The posterior horn of the cord contains the cell bodies of motor neurons. 
C)  The ventral root is formed by the axons of neurons in the lateral and anterior horns. 
D)  The dorsal and ventral roots unite to form spinal nerves. 
E)  The ventral root of the spinal cord conveys motor (efferent) nerve impulses away from the spinal cord.

Question 11

Which of the following nerves is part of the brachial plexus?

Accepted Answer

A)  peroneal 
B)  ansa cervicalis 
C)  ischiadic (sciatic) 
D)  musculocutaneous 
E)  femoral 
A)  peroneal 
B)  ansa cervicalis 
C)  ischiadic (sciatic) 
D)  musculocutaneous 
E)  femoral

Question 12

-Label component "C" on the reflex arc.

Accepted Answer

A)  sensory receptor 
B)  effector organ 
C)  sensory neuron 
D)  motor neuron 
E)  interneuron 
A)  sensory receptor 
B)  effector organ 
C)  sensory neuron 
D)  motor neuron 
E)  interneuron

Question 13

Reflex arcs

Accepted Answer

A)  are capable of receiving a stimulus and yielding a response. 
B)  are the basic structural units of the nervous system. 
C)  occur primarily in the cerebral cortex of the brain. 
D)  involve inhibitory neurons. 
E)  do not involve the spinal cord. 
A)  are capable of receiving a stimulus and yielding a response. 
B)  are the basic structural units of the nervous system. 
C)  occur primarily in the cerebral cortex of the brain. 
D)  involve inhibitory neurons. 
E)  do not involve the spinal cord.

Question 14

-What does "B" represent?

Accepted Answer

A)  spinal nerves 
B)  conus medullaris 
C)  cervical enlargement 
D)  filium terminale 
E)  cauda equina 
A)  spinal nerves 
B)  conus medullaris 
C)  cervical enlargement 
D)  filium terminale 
E)  cauda equina

Question 15

Match the nerve with the appropriate description.
-femoral nerve

Accepted Answer

A) innervates the iliopsoas, sartorius, and quadriceps femoris 
B) innervates muscles of the pelvic floor 
C) innervates the muscles that adduct the thigh 
D) innervates the anterior and lateral muscles of the leg 
E) branches to form the medial and lateral plantar nerves 
A) innervates the iliopsoas, sartorius, and quadriceps femoris 
B) innervates muscles of the pelvic floor 
C) innervates the muscles that adduct the thigh 
D) innervates the anterior and lateral muscles of the leg 
E) branches to form the medial and lateral plantar nerves

Question 16

The gastrocnemius muscle is most likely to be innervated by the _____ nerve.

Accepted Answer

A)  obturator 
B)  common fibular (peroneal) 
C)  tibial 
D)  femoral 
E)  median 
A)  obturator 
B)  common fibular (peroneal) 
C)  tibial 
D)  femoral 
E)  median

Question 17

Reflexes

Accepted Answer

A)  are homeostatic. 
B)  are not homeostatic. 
C)  are voluntary conscious responses to a stimulus. 
D)  are integrated in the spinal cord, but not the brain. 
E)  are integrated in the brain, but not the spinal cord. 
A)  are homeostatic. 
B)  are not homeostatic. 
C)  are voluntary conscious responses to a stimulus. 
D)  are integrated in the spinal cord, but not the brain. 
E)  are integrated in the brain, but not the spinal cord.

Question 18

Which nerve is involved when a dancer points his/her toes?

Accepted Answer

A)  tibial 
B)  femoral 
C)  obturator 
D)  pudendal 
E)  common fibular (peroneal) 
A)  tibial 
B)  femoral 
C)  obturator 
D)  pudendal 
E)  common fibular (peroneal)

Question 19

Using the biceps brachii to flex the forearm requires innervation of the _____ nerve.

Accepted Answer

A)  radial 
B)  musculocutaneous 
C)  ulnar 
D)  median 
E)  axillary 
A)  radial 
B)  musculocutaneous 
C)  ulnar 
D)  median 
E)  axillary

Question 20

-What does "C" represent?

Accepted Answer

A)  central canal 
B)  ventral root 
C)  dorsal root ganglion 
D)  spinal nerve 
E)  dorsal root 
A)  central canal 
B)  ventral root 
C)  dorsal root ganglion 
D)  spinal nerve 
E)  dorsal root

Exam 12: Spinal Cord and Spinal Nerves

-What does "D" represent?

Improper use of crutches could cause compression of the _____ nerve.

Match the term with the correct definition. -arachnoid mater

Match the disorder with its description. -sciatica

In the Golgi tendon reflex,

Match the nerve to the correct function. -median nerve

Match the term with the correct definition. -pia mater

Nerve fibers in the phrenic nerves that innervated the diaphragm arise primarily from which plexus?

If the ventral root of a spinal nerve were cut, the regions innervated by that spinal nerve would experience complete loss of

Which of the following is false?

Which of the following nerves is part of the brachial plexus?

-Label component "C" on the reflex arc.

Reflex arcs

-What does "B" represent?

Match the nerve with the appropriate description. -femoral nerve

The gastrocnemius muscle is most likely to be innervated by the _____ nerve.

Reflexes

Which nerve is involved when a dancer points his/her toes?

Using the biceps brachii to flex the forearm requires innervation of the _____ nerve.

-What does "C" represent?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolytes, and Acidbase Balance

Reproductive System

Development, Growth, Aging, and Genetics

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