Question 1

Damage to C5 and C6 spinal nerves would result in abnormal sensations along the anterior surface of the upper limb.

Accepted Answer

A) True 
 B)False

Question 2

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 3

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 4

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 5

Branches of the pudendal nerve are anesthetized during childbirth before the doctor performs a/an ________.

Accepted Answer

The answer of Branches of the pudendal nerve are anesthetized...

Question 6

What space, found between the vertebral wall and the dura mater, is the area for injecting anesthesia for childbirth?

Accepted Answer

A)  Subarachnoid space 
B)  Subdural space 
C)  Epidural space 
D)  Epipial space 
A)  Subarachnoid space 
B)  Subdural space 
C)  Epidural space 
D)  Epipial space

Question 7

Which structure anchors the thecal sac and conus medullaris to the coccyx?

Accepted Answer

A)  Filum terminale 
B)  Denticulate ligaments 
C)  Pia mater 
D)  Cauda equina 
A)  Filum terminale 
B)  Denticulate ligaments 
C)  Pia mater 
D)  Cauda equina

Question 8

Match the nerve or plexus with its appropriate description.
-Coccygeal plexus

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 9

There are ________ enlargements of the spinal cord where nerves supplying the extremities enter and leave.

Accepted Answer

A)  two 
B)  three 
C)  four 
D)  five 
E)  six 
A)  two 
B)  three 
C)  four 
D)  five 
E)  six

Question 10

What is found in the dorsal root ganglion?

Accepted Answer

A)  The cell bodies of multipolar motor neurons 
B)  The cell bodies of pseudo-unipolar sensory neurons 
C)  The cell bodies of multipolar interneurons 
D)  The cell bodies of bipolar sensory neurons 
A)  The cell bodies of multipolar motor neurons 
B)  The cell bodies of pseudo-unipolar sensory neurons 
C)  The cell bodies of multipolar interneurons 
D)  The cell bodies of bipolar sensory neurons

Question 11

Branches of the ________ nerve are anesthetized before a doctor performs an episiotomy for childbirth.

Accepted Answer

A)  genitofemoral 
B)  gluteal 
C)  cutaneous femoral 
D)  pudendal 
E)  common fibular (peroneal) 
A)  genitofemoral 
B)  gluteal 
C)  cutaneous femoral 
D)  pudendal 
E)  common fibular (peroneal)

Question 12

The spinal cord ends at the ________.

Accepted Answer

A)  sacrum 
B)  coccyx 
C)  5th lumbar vertebrae 
D)  2nd lumbar vertebrae 
A)  sacrum 
B)  coccyx 
C)  5th lumbar vertebrae 
D)  2nd lumbar vertebrae

Question 13

Match the action with the specific reflex.
-Removing hand from a hot iron

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 14

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 15

Reciprocal innervation

Accepted Answer

A)  is associated with the Golgi tendon reflex. 
B)  stimulates antagonistic muscles. 
C)  results in reduced resistance to the reflex. 
D)  reinforces the withdrawal reflex. 
E)  inhibits the stretch reflex. 
A)  is associated with the Golgi tendon reflex. 
B)  stimulates antagonistic muscles. 
C)  results in reduced resistance to the reflex. 
D)  reinforces the withdrawal reflex. 
E)  inhibits the stretch reflex.

Question 16

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 17

Place the following parts of a reflex arc in the correct order beginning with the sensory receptor.
(1) Motor neuron
(2) Interneuron
(3) Effector
(4) Sensory neuron
(5) Sensory receptor

Accepted Answer

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

Question 18

-Label component "B" of 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 19

Which of the following is not a property of reflexes?

Accepted Answer

A)  Reflex responses are very predictable. 
B)  Reflexes are responses to sensory inputs. 
C)  Reflexes are quick responses of the nervous system. 
D)  Reflexes are not voluntary. 
E)  Reflexes do not require a stimulus. 
A)  Reflex responses are very predictable. 
B)  Reflexes are responses to sensory inputs. 
C)  Reflexes are quick responses of the nervous system. 
D)  Reflexes are not voluntary. 
E)  Reflexes do not require a stimulus.

Question 20

Match the term with its correct definition.
-Epidural space

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

Exam 12: Spinal Cord and Spinal Nerves

Damage to C5 and C6 spinal nerves would result in abnormal sensations along the anterior surface of the upper limb.

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

The sensory receptor of the stretch reflex is the ________.

Match the nerve to the correct function. -Ulnar nerve

Branches of the pudendal nerve are anesthetized during childbirth before the doctor performs a/an ________.

What space, found between the vertebral wall and the dura mater, is the area for injecting anesthesia for childbirth?

Which structure anchors the thecal sac and conus medullaris to the coccyx?

Match the nerve or plexus with its appropriate description. -Coccygeal plexus

There are ________ enlargements of the spinal cord where nerves supplying the extremities enter and leave.

What is found in the dorsal root ganglion?

Branches of the ________ nerve are anesthetized before a doctor performs an episiotomy for childbirth.

The spinal cord ends at the ________.

Match the action with the specific reflex. -Removing hand from a hot iron

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

Reciprocal innervation

Match the nerve to the correct function. -Musculocutaneous nerve

Place the following parts of a reflex arc in the correct order beginning with the sensory receptor. (1) Motor neuron (2) Interneuron (3) Effector (4) Sensory neuron (5) Sensory receptor

-Label component "B" of the reflex arc.

Which of the following is not a property of reflexes?

Match the term with its correct definition. -Epidural space

The Human Organism

The Chemical Basis of Life

Cell Biology

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Skeletal System: Gross Anatomy

Joint 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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