Question 1

Where is cerebrospinal fluid found around the spinal cord?

Accepted Answer

A)  subdural space
B)  epidural space
C)  thecal sac
D)  subarachnoid spaceE) A) and D)
F) A) and C)

Question 2

-What does "A" represent?

Accepted Answer

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

Question 3

Damage to which of these nerves would be most life-threatening?

Accepted Answer

A)   median nerves
B)   phrenic nerves
C)   lumbar nerves
D)   sciatic nerves
E)   radial nervesF) B) and C)
G) A) and E)

Question 4

Match the term with the most appropriate description.
-partially responsible for a weight lifter suddenly dropping a weight that is too heavy

Accepted Answer

A)  stretch reflex
B)  Golgi tendon reflex
C)  withdrawal reflex
D)  crossed extensor reflex
E)  reciprocal innervationF) B) and C)
G) A) and B)

Question 5

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.F) A) and B)
G) B) and C)

Question 6

The thickest of the meninges is the

Accepted Answer

A)  pia mater.
B)  arachnoid mater.
C)  subdural space.
D)  subarachnoid space.
E)  dura mater.F) B) and E)
G) A) and C)

Question 7

Match the disorder with its description.
-neuritis

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 sensationF) D) and E)
G) C) and D)

Question 8

Match the disorder with its description.
-anesthesia

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 sensationF) B) and C)
G) All of the above

Question 9

Spinal nerves C5-T1 make up the ____________ plexus.

Accepted Answer

A)  sacral
B)  lumbar
C)  brachial
D)  cervical
E)  radialF) B) and D)
G) A) and B)

Question 10

The brachial plexus supplies nerves that function to contract which of the following?

Accepted Answer

A)  the diaphragm
B)  intercostal muscles
C)  muscles of the arm and forearm
D)  muscles of the lower limb
E)  abdominal musclesF) C) and E)
G) A) and D) C

Question 11

-What does "A" represent?

Accepted Answer

A)  spinal nerves
B)  conus medullaris
C)  cervical enlargement
D)  filium terminale
E)  cauda equinaF) B) and C)
G) A) and C)

Question 12

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.E) B) and C)
F) None of the above

Question 13

The conus medullaris

Accepted Answer

A)  anchors the spinal cord to the coccyx.
B)  is a tapered,cone like region immediately inferior to the lumbar enlargement.
C)  marks the exit of nerves to the upper extremity.
D)  is located adjacent to the foramen magnum.
E)  is inferior to the cauda equina.F) All of the above
G) A) and E)

Question 14

A man was in an accident and severed his spinal cord between C6 and C7.Which of the following would NOT occur?

Accepted Answer

A)  loss of sensation in the trunk below the shoulders,the lower limbs and portions of the arms
B)  loss of use of the phrenic nerves and paralysis of the diaphragm
C)  loss of movement in the lower limbs
D)  loss of the use of the intercostals nerves,and breathing would be affected because the intercostals muscles would be paralyzed
E)  loss of sensation and movement in the jawF) B) and D)
G) B) and C)

Question 15

The knee-jerk reflex involves which of the following?

Accepted Answer

A)  sensory and motor neurons
B)  sensory,association and motor neurons
C)  sensory,motor and inhibitory interneurons
D)  sensory and association neurons
E)  the brainF) D) and E)
G) A) and E)

Question 16

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) F) A) and B)
G) None of the above

Question 17

Match the term with the most appropriate description.
-the knee-jerk

Accepted Answer

A)  stretch reflex
B)  Golgi tendon reflex
C)  withdrawal reflex
D)  crossed extensor reflex
E)  reciprocal innervationF) A) and B)
G) D) and E) A

Question 18

-What does "E" represent?

Accepted Answer

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

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)  axillaryF) B) and C)
G) B) and D) B

Question 20

Match the nerve to the correct function.
-radial 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 brachiiF) A) and B)
G) A) and C)

Exam 12: Spinal Cord and Spinal Nerves

Where is cerebrospinal fluid found around the spinal cord?

Correct AnswerverifiedShow Answer

-What does "A" represent?

Correct AnswerverifiedShow Answer

Damage to which of these nerves would be most life-threatening?

Correct AnswerverifiedShow Answer

Match the term with the most appropriate description. -partially responsible for a weight lifter suddenly dropping a weight that is too heavy

Correct AnswerverifiedShow Answer

The sensory receptor of the stretch reflex is the

Correct AnswerverifiedShow Answer

The thickest of the meninges is the

Correct AnswerverifiedShow Answer

Match the disorder with its description. -neuritis

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Match the disorder with its description. -anesthesia

Correct AnswerverifiedShow Answer

Spinal nerves C5-T1 make up the ____________ plexus.

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The brachial plexus supplies nerves that function to contract which of the following?

Correct AnswerverifiedC

-What does "A" represent?

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In the spinal cord,white matter is organized into

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The conus medullaris

Correct AnswerverifiedShow Answer

A man was in an accident and severed his spinal cord between C6 and C7.Which of the following would NOT occur?

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The knee-jerk reflex involves which of the following?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Match the term with the most appropriate description. -the knee-jerk

Correct AnswerverifiedA

-What does "E" represent?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedB

Match the nerve to the correct function. -radial nerve

Correct AnswerverifiedShow Answer

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C

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A

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B

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