Question 1

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

Question 2

The ventral root of a spinal nerve contains

Accepted Answer

A)  only sensory fibers. 
B)  only motor fibers. 
C)  only afferent fibers. 
D)  both sensory and motor fibers. 
E)  a ganglion. 
A)  only sensory fibers. 
B)  only motor fibers. 
C)  only afferent fibers. 
D)  both sensory and motor fibers. 
E)  a ganglion.

Question 3

Match the term with the most appropriate description.
-a reflex that helps prevent falls

Accepted Answer

A) stretch reflex 
B) Golgi tendon reflex 
C) withdrawal reflex 
D) crossed extensor reflex 
E) reciprocal innervation 
A) stretch reflex 
B) Golgi tendon reflex 
C) withdrawal reflex 
D) crossed extensor reflex 
E) reciprocal innervation

Question 4

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 5

What does "E" 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 6

Match the term with the correct definition.
-reflex arc

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 7

Match the nerve with the appropriate description.
-tibial 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 8

The middle, thin, spider-like meninx is the

Accepted Answer

A)  dura mater. 
B)  pia mater. 
C)  ectomater. 
D)  arachnoid mater. 
A)  dura mater. 
B)  pia mater. 
C)  ectomater. 
D)  arachnoid mater.

Question 9

Intercostal nerves are formed from the

Accepted Answer

A)  thoracic plexus. 
B)  ventral rami of thoracic spinal nerves. 
C)  dorsal rami of thoracic spinal nerves. 
D)  rami communicans of the thoracic spinal nerves. 
E)  cervical plexus. 
A)  thoracic plexus. 
B)  ventral rami of thoracic spinal nerves. 
C)  dorsal rami of thoracic spinal nerves. 
D)  rami communicans of the thoracic spinal nerves. 
E)  cervical plexus.

Question 10

Damage to the phrenic nerve would result in

Accepted Answer

A)  the loss of motor activity in the arms. 
B)  an increased heart rate. 
C)  an inability to swallow. 
D)  difficulty breathing. 
E)  a decreased heart rate. 
A)  the loss of motor activity in the arms. 
B)  an increased heart rate. 
C)  an inability to swallow. 
D)  difficulty breathing. 
E)  a decreased heart rate.

Question 11

Match the nerve to the correct function.
-musculocutaneous 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 12

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 13

A collapsed intervertebral foramen could affect all of the following spinal nerves EXCEPT

Accepted Answer

A)  C2-C8 
B)  T1-T12 
C)  L1-L5 
D)  C1 
A)  C2-C8 
B)  T1-T12 
C)  L1-L5 
D)  C1

Question 14

Which of the following nerves is associated with the lumbosacral plexus?

Accepted Answer

A)  phrenic 
B)  median 
C)  musculocutaneous 
D)  ulnar 
E)  obturator 
A)  phrenic 
B)  median 
C)  musculocutaneous 
D)  ulnar 
E)  obturator

Question 15

What does "D" 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 16

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 17

Which of the following combinations indicates the correct distribution of spinal nerve pairs?

Accepted Answer

A)  7 cervical - 12 thoracic - 6 lumbar - 5 sacral - 1 coccygeal 
B)  7 cervical - 12 thoracic - 5 lumbar - 6 sacral - 1 coccygeal 
C)  8 cervical - 12 thoracic - 6 lumbar - 4 sacral - 1 coccygeal 
D)  8 cervical - 12 thoracic - 5 lumbar - 5 sacral - 1 coccygeal 
E)  7 cervical - 13 thoracic - 6 lumbar - 5 sacral - 1 coccygeal 
A)  7 cervical - 12 thoracic - 6 lumbar - 5 sacral - 1 coccygeal 
B)  7 cervical - 12 thoracic - 5 lumbar - 6 sacral - 1 coccygeal 
C)  8 cervical - 12 thoracic - 6 lumbar - 4 sacral - 1 coccygeal 
D)  8 cervical - 12 thoracic - 5 lumbar - 5 sacral - 1 coccygeal 
E)  7 cervical - 13 thoracic - 6 lumbar - 5 sacral - 1 coccygeal

Question 18

What structure makes the dorsal root different from the ventral root?

Accepted Answer

A)  The dorsal root has a ganglion. 
B)  The dorsal root has a tract. 
C)  The dorsal root has a nucleus. 
D)  The dorsal root appears the same as the ventral root. 
A)  The dorsal root has a ganglion. 
B)  The dorsal root has a tract. 
C)  The dorsal root has a nucleus. 
D)  The dorsal root appears the same as the ventral root.

Question 19

In the spinal cord, white matter is organized into

Accepted Answer

A)  horns and the gray matter into columns. 
B)  horns and the gray matter into roots. 
C)  columns and the gray matter into horns. 
D)  columns and the gray matter into tracts. 
A)  horns and the gray matter into columns. 
B)  horns and the gray matter into roots. 
C)  columns and the gray matter into horns. 
D)  columns and the gray matter into tracts.

Question 20

Match the nerve with the appropriate description.
-common fibular 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

Exam 12: Spinal Cord and Spinal Nerves

What does "C" represent?

The ventral root of a spinal nerve contains

Match the term with the most appropriate description. -a reflex that helps prevent falls

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

What does "E" represent?

Match the term with the correct definition. -reflex arc

Match the nerve with the appropriate description. -tibial nerve

The middle, thin, spider-like meninx is the

Intercostal nerves are formed from the

Damage to the phrenic nerve would result in

Match the nerve to the correct function. -musculocutaneous nerve

Match the nerve with the appropriate description. -femoral nerve

A collapsed intervertebral foramen could affect all of the following spinal nerves EXCEPT

Which of the following nerves is associated with the lumbosacral plexus?

What does "D" represent?

What does "D" represent?

Which of the following combinations indicates the correct distribution of spinal nerve pairs?

What structure makes the dorsal root different from the ventral root?

In the spinal cord, white matter is organized into

Match the nerve with the appropriate description. -common fibular nerve

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

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Nutrition, Metabolism, and Temperature Regulation

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Water, Electrolyte, and Acid-Based Balance

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