Question 1

There are ________ cervical spinal nerves.

Accepted Answer

A)  eight 
B)  twelve 
C)  six 
D)  five 
E)  fourteen 
A)  eight 
B)  twelve 
C)  six 
D)  five 
E)  fourteen

Question 2

Match the nerve with the appropriate description.
-removing hand from a hot iron

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 3

The muscles of the back contract to straighten so that you sit at a more erect posture and subsequently the muscles are suddenly stretched as you nod off. Which of the following best represents the sequence of events when you start to nod off? (1) muscles of the back are stretched
(2) the muscle spindle is stretched
(3) action potentials in sensory neurons of the muscle spindles increase
(4) action potentials in alpha motor neurons of skeletal muscle fibers increase
(5) skeletal muscle of the back contract

Accepted Answer

A)  1, 2, 3, 4, 5 
B)  1, 5, 2, 3, 4 
C)  1, 5, 3, 2, 4 
D)  5, 2, 3, 4, 1 
E)  4, 5, 3, 2, 1 
A)  1, 2, 3, 4, 5 
B)  1, 5, 2, 3, 4 
C)  1, 5, 3, 2, 4 
D)  5, 2, 3, 4, 1 
E)  4, 5, 3, 2, 1

Question 4

When a person hits their funny bone, they cause temporary damage to 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 5

The sensory root of a spinal nerve is also referred to as

Accepted Answer

A)  anterior root. 
B)  dorsal root. 
C)  efferent root. 
D)  ventral root. 
E)  lateral root. 
A)  anterior root. 
B)  dorsal root. 
C)  efferent root. 
D)  ventral root. 
E)  lateral root.

Question 6

The sac surrounding the spinal cord is the

Accepted Answer

A)  dural sac. 
B)  meningeal sac. 
C)  thecal sac. 
D)  epidural sac. 
A)  dural sac. 
B)  meningeal sac. 
C)  thecal sac. 
D)  epidural sac.

Question 7

Match the disorder with its description.
-neuralgia

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 8

The __________ __________ is the basic functional unit of the nervous system and is capable of receiving a stimulus and producing a response.

Accepted Answer

The answer of The __________ __________ is the basic functional...

Question 9

Spinal nerves C5-T1 make up the ____________ plexus.

Accepted Answer

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

Question 10

Adduction of the thigh involves the

Accepted Answer

A)  peroneal nerve. 
B)  femoral nerve. 
C)  obturator nerve. 
D)  pudendal nerve. 
E)  tibial nerve. 
A)  peroneal nerve. 
B)  femoral nerve. 
C)  obturator nerve. 
D)  pudendal nerve. 
E)  tibial nerve.

Question 11

The sensory receptor of the stretch reflex is the

Accepted Answer

A)  Golgi tendon organ. 
B)  muscle spindle. 
C)  dorsal root ganglion. 
D)  collateral axon. 
E)  alpha motor neurons. 
A)  Golgi tendon organ. 
B)  muscle spindle. 
C)  dorsal root ganglion. 
D)  collateral axon. 
E)  alpha motor neurons.

Question 12

Match the nerve to the correct function.
-ulnar 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 13

Match the disorder with its description.
-meningitis

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 14

Match the nerve with the appropriate description.
-the knee-jerk

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 15

Ventral rami of some spinal nerves join with each other to form a

Accepted Answer

A)  ganglion. 
B)  dermatome. 
C)  cord. 
D)  plexus. 
E)  nerve. 
A)  ganglion. 
B)  dermatome. 
C)  cord. 
D)  plexus. 
E)  nerve.

Question 16

Reflexes function in

Accepted Answer

A)  removing the body from painful stimuli. 
B)  keeping the body from falling. 
C)  maintaining blood pressure. 
D)  maintaining blood CO2 levels. 
E)  All of these choices are correct. 
A)  removing the body from painful stimuli. 
B)  keeping the body from falling. 
C)  maintaining blood pressure. 
D)  maintaining blood CO2 levels. 
E)  All of these choices are correct.

Question 17

If you pinch your index finger in a door, pain sensations are carried via the ____ nerve.

Accepted Answer

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

Question 18

Muscle spindles

Accepted Answer

A)  are innervated by gamma motor neurons. 
B)  originate in the spinal cord. 
C)  are specialized nerve cells. 
D)  are found encapsulated in nerve endings. 
E)  are innervated by alpha motor neurons. 
A)  are innervated by gamma motor neurons. 
B)  originate in the spinal cord. 
C)  are specialized nerve cells. 
D)  are found encapsulated in nerve endings. 
E)  are innervated by alpha motor neurons.

Question 19

The motor root of a spinal nerve is also referred to as the

Accepted Answer

A)  afferent root. 
B)  dorsal root. 
C)  posterior root. 
D)  ventral root. 
E)  sensory root. 
A)  afferent root. 
B)  dorsal root. 
C)  posterior root. 
D)  ventral root. 
E)  sensory root.

Question 20

-What does "B" 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

There are ________ cervical spinal nerves.

Match the nerve with the appropriate description. -removing hand from a hot iron

When a person hits their funny bone, they cause temporary damage to the _____ nerve.

The sensory root of a spinal nerve is also referred to as

The sac surrounding the spinal cord is the

Match the disorder with its description. -neuralgia

The __________ __________ is the basic functional unit of the nervous system and is capable of receiving a stimulus and producing a response.

Spinal nerves C5-T1 make up the ____________ plexus.

Adduction of the thigh involves the

The sensory receptor of the stretch reflex is the

Match the nerve to the correct function. -ulnar nerve

Match the disorder with its description. -meningitis

Match the nerve with the appropriate description. -the knee-jerk

Ventral rami of some spinal nerves join with each other to form a

Reflexes function in

If you pinch your index finger in a door, pain sensations are carried via the ____ nerve.

Muscle spindles

The motor root of a spinal nerve is also referred to as the

-What does "B" 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

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Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

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