Question 1

-What does "D" represent?

Accepted Answer

A)   spinal nerves
B)   conus medullaris
C)   cervical enlargement
D)   filium terminale
E)   cauda equina

Question 2

The largest peripheral nerve in the body is the ______ nerve.

Accepted Answer

The answer of The largest peripheral nerve in the body...

Question 3

The epineurium

Accepted Answer

A)   surrounds nerve cell bodies.
B)   surrounds individual axons and their Schwann cells.
C)   bundles axons into fascicles.
D)   bundles fascicles into nerves.
E)   bundles fascicles into axons.

Question 4

Which of the following nerves is a branch of both the cervical plexus and the brachial plexus?

Accepted Answer

A)   axillary
B)   femoral
C)   phrenic
D)   sciatic
E)   splanchnic

Question 5

-What does "C" represent?

Accepted Answer

A)   spinal nerves
B)   conus medullaris
C)   cervical enlargement
D)   filium terminale
E)   cauda equina

Question 6

-Label component "B" on the reflex arc.

Accepted Answer

A)   sensory receptor
B)   effector organ
C)   sensory neuron
D)   motor neuron
E)   interneuron

Question 7

When someone taps you on your shoulder, they stimulate the ____ nerve.

Accepted Answer

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

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 sensation

Question 9

Match the term with the correct definition.
-dura mater

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

Question 10

Match the nerve with the 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

Question 11

Stimulation of the Golgi tendon organs result in which of the following changes in the reflex arc?

Accepted Answer

A)   stimulation of a stimulatory association neuron
B)   stimulation of an inhibitory neuron
C)   decreased action potentials in alpha motor neurons
D)   contraction of skeletal muscle fibers
E)   stimulation of an inhibitory neuron and decreased action potentials in alpha motor neurons

Question 12

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

Question 13

Spinal nerves exiting the cord from the level of L4 to S4 form the

Accepted Answer

A)   lumbar plexus.
B)   femoral plexus.
C)   sacral plexus.
D)   pelvic plexus.
E)   brachial plexus.

Question 14

In the PNS, nerves are held together by

Accepted Answer

The answer of In the PNS, nerves are held together...

Question 15

The adaptive significance of the crossed extensor reflex when a person steps on a tack is to

Accepted Answer

A)   remove the foot from the tack.
B)   increase the rate at which withdrawal of the limb occurs.
C)   slow the rate of removal of the foot from the tack.
D)   reduce the pain sensations.
E)   prevent the person from falling down.

Question 16

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.

Question 17

An injury to the wrist that results in edema in the carpal tunnel would compress the

Accepted Answer

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

Question 18

During a spinal tap, cerebrospinal fluid is obtained from which of the following locations?

Accepted Answer

A)   dural sinus
B)   epidural space
C)   subarachnoid space
D)   subdural space
E)   sagittal sinus

Question 19

-What does "A" represent?

Accepted Answer

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

Question 20

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

Exam 12: Spinal Cord and Spinal Nerves

Match the nerve with the appropriate description. -coccygeal plexus

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-What does "A" represent?

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Match the nerve with the appropriate description. -tibial nerve

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During a spinal tap, cerebrospinal fluid is obtained from which of the following locations?

Correct AnswerverifiedShow Answer

An injury to the wrist that results in edema in the carpal tunnel would compress the

Correct AnswerverifiedShow Answer

The adaptive significance of the crossed extensor reflex when a person steps on a tack is to

Correct AnswerverifiedShow Answer

Match the term with the correct definition. -dura mater

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Spinal nerves exiting the cord from the level of L4 to S4 form the

Correct AnswerverifiedShow Answer

Which of the following nerves is a branch of both the cervical plexus and the brachial plexus?

Correct AnswerverifiedShow Answer

Match the disorder with its description. -anesthesia

Correct AnswerverifiedShow Answer

Stimulation of the Golgi tendon organs result in which of the following changes in the reflex arc?

Correct AnswerverifiedShow Answer

The largest peripheral nerve in the body is the ______ nerve.

Correct AnswerverifiedShow Answer

-What does "C" represent?

Correct AnswerverifiedShow Answer

-What does "D" represent?

Correct AnswerverifiedShow Answer

In the PNS, nerves are held together by

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When someone taps you on your shoulder, they stimulate the ____ nerve.

Correct AnswerverifiedShow Answer

The epineurium

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-Label component "B" on the reflex arc.

Correct AnswerverifiedShow Answer

Damage to the phrenic nerve would result in

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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