Question 1

The nerves projecting inferiorly from the spinal cord are collectively called the

Accepted Answer

A)  terminal finale.
B)  cauda equina.
C)  terminus filus.
D)  caudal terminale.
E)  caudus finalis.F) D) and E)
G) C) and D)

Question 2

The _______ nuclei within the gray matter of the spinal cord send nerve impulses to skeletal muscles.

Accepted Answer

A)  sensory
B)  visceral sensory
C)  somatic sensory
D)  autonomic motor
E)  somatic motorF) C) and D)
G) B) and E)

Question 3

Which space associated with the spinal cord meninges contains cerebrospinal fluid?

Accepted Answer

A)  Epidural space
B)  Subdural space
C)  Subarachnoid space
D)  Epiarachnoid space
E)  Subpial spaceF) All of the above
G) C) and E)

Question 4

The plexus that travels through the axillary region is the

Accepted Answer

A)  cervical.
B)  coccygeal.
C)  sacral.
D)  lumbar.
E)  brachial.F) A) and C)
G) C) and D)

Question 5

Which spinal nerves contribute to the brachial plexus?

Accepted Answer

A)  S1-Co1
B)  L1-L5
C)  C5-T1
D)  L4-S4
E)  C1-C5F) B) and E)
G) A) and E)

Question 6

A dermatome is a specific segment of skin supplied by a single spinal nerve.

Accepted Answer

A) True 
 B)False

Question 7

These nuclei are located in the lateral horns and innervate smooth muscle,cardiac muscle,and glands.

Accepted Answer

A)  Sensory nuclei
B)  Autonomic motor nuclei
C)  Visceral sensory nuclei
D)  Somatic sensory nuclei
E)  Somatic motor nucleiF) B) and D)
G) B) and E)

Question 8

The simplest reflex is the _____ reflex.

Accepted Answer

A)  multisynaptic
B)  unilateral
C)  monosynaptic
D)  polysynaptic
E)  multilateralF) A) and C)
G) A) and D)

Question 9

Nuclei within the gray matter of the spinal cord that receive information from sensory receptors such as pain or pressure receptors in the skin are _____ nuclei.

Accepted Answer

A)  sensory
B)  visceral sensory
C)  somatic sensory
D)  autonomic motor
E)  somatic motorF) B) and E)
G) A) and B)

Question 10

There is no delay between stimulus and response in a polysynaptic reflex.

Accepted Answer

A) True 
 B)False  False

Question 11

The anterior rami of T1-T11 are called

Accepted Answer

A)  dorsal plexuses.
B)  anterior plexuses.
C)  intercostal nerves.
D)  branchial nerves.
E)  cervical nerves.F) A) and B)
G) B) and D)

Question 12

The largest and longest nerve in the body is the _________ nerve.

Accepted Answer

A)  femoral
B)  radial
C)  sciatic
D)  obturator
E)  saphenousF) A) and E)
G) C) and D)

Question 13

A rapid,automatic,involuntary reaction of muscles or glands to a particular stimulus is a(an)

Accepted Answer

A)  autonomic reaction.
B)  motor impulse.
C)  receptor stimulation.
D)  reflex.
E)  subconscious impulse.F) None of the above
G) A) and B)

Question 14

If a person suffers a thorax-crushing injury and is unable to breathe properly,you would suspect that this nerve was damaged.

Accepted Answer

A)  Transverse cervical nerve
B)  Accessory nerve
C)  Phrenic nerve
D)  Sciatic nerve
E)  Greater auricular nerveF) B) and D)
G) A) and C)

Question 15

Following an injury to his arm,a patient complains that he has lost the ability to flex his elbow and supinate his forearm.You suspect that he has damaged the

Accepted Answer

A)  median nerve.
B)  radial nerve.
C)  musculocutaneous nerve.
D)  ulnar nerve.
E)  axillary nerve.F) A) and E)
G) D) and E)

Question 16

A ___________ is a specific segment of skin that is supplied by a single spinal nerve.

Accepted Answer

dermatome

Question 17

A monosynaptic reflex that monitors and regulates skeletal muscle length is a _____ reflex.

Accepted Answer

A)  withdrawal
B)  flexor
C)  Golgi tendon
D)  stretch
E)  hypoactiveF) A) and E)
G) C) and E)

Question 18

The Golgi tendon reflex

Accepted Answer

A)  helps to overcome pain.
B)  aids in sending sensory information to the muscles.
C)  prevents skeletal muscles from tensing excessively.
D)  prevents muscles from contracting.
E)  helps to gain balance through a complex series of muscular contractions.F) A) and C)
G) B) and E)

Question 19

What is the correct order for the parts of the spinal cord,from superior to inferior?

Accepted Answer

A)  Cervical - thoracic - sacral - coccygeal - lumbar
B)  Cervical - thoracic - lumbar - sacral - coccygeal
C)  Thoracic - lumbar - sacral - cervical - coccygeal
D)  Thoracic - cervical - lumbar - coccygeal - sacral
E)  Thoracic - lumbar - sacral - coccygeal - cervicalF) B) and E)
G) C) and D) B

Question 20

In the brain,the outer cerebral cortex consists of gray matter,but in the spinal cord,gray matter is confined to the innermost regions.

Accepted Answer

A) True 
 B)False

Exam 16: Spinal Cord and Spinal Nerves

The nerves projecting inferiorly from the spinal cord are collectively called the

Correct AnswerverifiedShow Answer

The _______ nuclei within the gray matter of the spinal cord send nerve impulses to skeletal muscles.

Correct AnswerverifiedShow Answer

Which space associated with the spinal cord meninges contains cerebrospinal fluid?

Correct AnswerverifiedShow Answer

The plexus that travels through the axillary region is the

Correct AnswerverifiedShow Answer

Which spinal nerves contribute to the brachial plexus?

Correct AnswerverifiedShow Answer

A dermatome is a specific segment of skin supplied by a single spinal nerve.

Correct AnswerverifiedShow Answer

These nuclei are located in the lateral horns and innervate smooth muscle,cardiac muscle,and glands.

Correct AnswerverifiedShow Answer

The simplest reflex is the _____ reflex.

Correct AnswerverifiedShow Answer

Nuclei within the gray matter of the spinal cord that receive information from sensory receptors such as pain or pressure receptors in the skin are _____ nuclei.

Correct AnswerverifiedShow Answer

There is no delay between stimulus and response in a polysynaptic reflex.

Correct AnswerverifiedFalse

The anterior rami of T1-T11 are called

Correct AnswerverifiedShow Answer

The largest and longest nerve in the body is the _________ nerve.

Correct AnswerverifiedShow Answer

A rapid,automatic,involuntary reaction of muscles or glands to a particular stimulus is a(an)

Correct AnswerverifiedShow Answer

If a person suffers a thorax-crushing injury and is unable to breathe properly,you would suspect that this nerve was damaged.

Correct AnswerverifiedShow Answer

Following an injury to his arm,a patient complains that he has lost the ability to flex his elbow and supinate his forearm.You suspect that he has damaged the

Correct AnswerverifiedShow Answer

A ___________ is a specific segment of skin that is supplied by a single spinal nerve.

Correct Answerverifieddermatome

A monosynaptic reflex that monitors and regulates skeletal muscle length is a _____ reflex.

Correct AnswerverifiedShow Answer

The Golgi tendon reflex

Correct AnswerverifiedShow Answer

What is the correct order for the parts of the spinal cord,from superior to inferior?

Correct AnswerverifiedB

In the brain,the outer cerebral cortex consists of gray matter,but in the spinal cord,gray matter is confined to the innermost regions.

Correct AnswerverifiedShow Answer

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False

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dermatome

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B

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