Deck 11: Nervous System: Spinal Cord and Peripheral Nerves

Question 1

The area of skin innervated by a spinal nerve is called a

A) plexus.
B) tract.
C) dermatome.
D) gyrus.

Answer 1

dermatome.

Question 2

Which of the following is least descriptive of the olfactory nerve?

A) sensory
B) concerned with the sense of smell
C) cranial nerve I
D) moves the tongue

Answer 2

moves the tongue

Question 3

Damage to the common peroneal nerve causes

A) crutch palsy.
B) deafness.
C) footdrop.
D) inability to breathe.

Answer 3

footdrop.

Question 4

An intramuscular injection into the buttocks is given in the upper outer quadrant in an attempt to avoid injuring this nerve.

A) common peroneal
B) phrenic
C) femoral
D) sciatic

Question 5

This fifth cranial nerve is a mixed nerve that detects sensations from the scalp,face,and teeth.

A) olfactory
B) facial
C) vestibulocochlear
D) trigeminal

Question 6

Which of the following is located within the spinal cavity?

A) cauda equina
B) cervical plexus
C) brachial plexus
D) vagus nerve

Question 7

Which of the following is most descriptive of the phrenic nerve?

A) concerned with the sensation of smell
B) innervates the muscles of the eyeball
C) motor nerve supplying the diaphragm
D) sensory nerve concerned with balance

Question 8

Damage to this nerve prevents extension of the hip and flexion of the knee.

A) axillary
B) phrenic
C) sciatic
D) median cubital

Question 9

A hammer strikes the Achilles tendon to elicit this stretch reflex. 11-PAGE 2
Test Bank

A) Babinski reflex
B) baroreceptor reflex
C) patellar tendon reflex
D) ankle-jerk reflex

Question 10

The oculomotor,trochlear,and abducens are cranial nerves that

A) innervate the extrinsic eye muscles (move the eyeball).
B) innervate the levator palpebrae superioris (lift the eyelid).
C) interpret sensory information from the optic nerve.
D) innervate the muscles of mastication.

Question 11

Which of the following is the best description of a motor tract?

A) spinothalamic tract
B) ascending tract
C) descending tract
D) gray matter

Question 12

An antibiotic-induced ototoxicity damages this nerve.

A) cranial nerve X
B) facial nerve
C) vestibulocochlear nerve
D) cranial nerve II

Question 13

A spinal cord injury at the level of C2 causes

A) hemiplegia and blindness.
B) paraplegia and deafness.
C) quadriplegia and an inability to breathe.
D) ptosis of the eyelid and dilated and fixed pupils.

Question 14

The tenth cranial nerve "wanders" outside the head area and innervates the heart and gastrointestinal systems.

A) trigeminal
B) vagus
C) olfactory
D) spinal accessory

Question 15

Which of the following is not descriptive of the optic nerve?

A) sensory
B) cranial nerve
C) move the eyeball
D) vision

Question 16

Which of the following is the major motor tract?

A) cauda equina
B) spinocerebellar
C) pyramidal
D) spinothalamic

Question 17

In order to achieve spinal anesthesia,Novocain is injected into the

A) lateral ventricle.
B) central canal.
C) subarachnoid space.
D) dorsal root ganglia.

Question 18

Which of the following is descriptive of cranial nerve VIII?

A) motor nerve
B) spinal nerve
C) vestibulocochlear
D) concerned with vision

Question 19

Ptosis of the eyelid and dilated and fixed pupils reflect pressure on this nerve.

A) optic
B) vagus
C) oculomotor
D) facial

Question 20

The ulnar,radial,and median nerves supply the

A) forearm and hand.
B) breathing muscles.
C) jaw.
D) hip and thigh.

Question 21

If the phrenic nerve were cut or severed,the patient would not be able to

A) walk.
B) speak.
C) breathe.
D) swallow.

Question 22

A "dilated and fixed" pupil is indicative of pressure on this cranial nerve.

A) cranial nerve II
B) olfactory nerve
C) cranial nerve III
D) vestibulocochlear

Question 23

The first,second,and eighth cranial nerves

A) are concerned with vision.
B) descend in the corticospinal tract.
C) are sensory nerves.
D) carry sensory information to the occipital lobe.

Question 24

The Babinski reflex is elicited by

A) shining light into the eyes.
B) tapping the patellar tendon.
C) tapping the Achilles' tendon.
D) stroking the sole of the foot.

Question 25

The gag reflex is mediated by this nerve.

A) optic nerve
B) oculomotor nerve
C) cranial nerve VIII
D) glossopharyngeal nerve

Question 26

The pyramidal tract

A) originates in the pyramidal cells of the medulla oblongata and carries information to the parietal lobe.
B) is also called the corticospinal tract.
C) is a sensory tract.
D) is also called the spinothalamic tract.

Question 27

In order to evaluate this cranial nerve,the person is asked to stick out the tongue,and the nurse notes any deviation in the position of the protruded tongue.

A) trigeminal
B) hypoglossal
C) facial
D) olfactory

Question 28

Which reflex is stimulated by stroking the sole of the foot with a sharp object?

A) patellar reflex
B) baroreceptor reflex
C) Babinski reflex
D) gag reflex

Question 29

At which structure are spinal nerves grouped and sorted?

A) a ganglion
B) a nucleus
C) a plexus
D) the cauda equina

Question 30

Damage to this nerve cause blindness.

A) cranial nerve I
B) cranial nerve II
C) cranial nerve III
D) cranial nerve VIII

Question 31

Both the trigeminal and facial nerves participate in the

A) gag reflex.
B) Babinski reflex.
C) baroreceptor reflex.
D) corneal reflex.

Question 32

Unless this reflex is working,the person is in danger of choking on his food.

A) baroreceptor reflex
B) withdrawal reflex
C) Babinski reflex
D) gag reflex

Question 33

Damage to this nerve causes crutch palsy.

A) sciatic nerve
B) radial nerve
C) axillary nerve
D) pudendal nerve

Question 34

Which large nerve emerges from the distal end of the spinal cord and innervates the lower extremities?

A) pudendal
B) phrenic
C) sciatic
D) radial

Question 35

What nerve is damaged by an ototoxic drug?

A) cranial nerve II
B) cranial nerve III
C) cranial nerve VIII
D) cranial nerve X

Question 36

A lumbar puncture is done by inserting a needle into the

A) dural sinus.
B) central canal.
C) arachnoid villus.
D) subarachnoid space.

Question 37

Which of the following nerves is often "deadened" or anesthetized for the purpose of childbirth?

A) pudendal
B) sciatic
C) cauda equina
D) phrenic

Question 38

Which word best describes the following: spinothalamic,pyramidal,corticospinal?

A) meninges
B) plexuses
C) tracts
D) motor tracts

Question 39

The baroreceptor reflex controls

A) posture.
B) the amount of light that enters the eyes.
C) body temperature.
D) blood pressure.

Question 40

Which reflex is concerned with the regulation of blood pressure?

A) Achilles' tendon reflex
B) Babinski reflex
C) patellar reflex
D) baroreceptor reflex

Question 41

Which group is incorrect?

A) cranial nerves:olfactory,optic,oculomotor
B) spinal nerves:phrenic,axillary,sciatic,vagus
C) plexuses:cervical,brachial,lumbosacral
D) states of paralysis:paraplegia,quadriplegia,hemiplegia

Question 42

A person with ___________ is most likely to require eyedrops in order to moisten the cornea.

A) Bell's palsy
B) anosmia
C) a severed optic nerve
D) an impaired gag reflex

Question 43

Which of the following is true of the spinothalamic tract?

A) sensory for touch,pressure,and pain
B) pyramidal tract
C) descending tract
D) stimulates the skeletal muscles

Question 44

A surgical patient is given a curare-like drug intravenously,thereby blocking his NM receptors.You would expect this patient to

A) become jaundiced.
B) bleed excessively during the postoperative period.
C) require assistance breathing.
D) have restraints on all four extremities to limit movement.

Question 45

The dermatome is most related to which of the following?

A) cranial nerves
B) lumbar puncture
C) spinal nerve distribution
D) the autonomic nervous system

Question 46

Which group is incorrect?

A) cranial nerves:olfactory,optic,oculomotor,vagus
B) plexuses:cervical,brachial,lumbosacral,cauda equina
C) states of paralysis:paraplegia,quadriplegia,hemiplegia
D) nerves that affect eye movement:oculomotor,abducens,trochlear

Question 47

The person with damage to the ___________ nerve has the weakest blink.

A) facial
B) vagus
C) cranial nerve II
D) cranial nerve VIII

Question 48

The ___________ nerve (tract)carries sensory information toward the brain.

A) phrenic
B) pyramidal
C) corticospinal
D) spinothalamic

Question 49

Which group is incorrect?

A) spinal nerves:phrenic,axillary,pudendal
B) reflexes:baroreceptor,withdrawal,pupillary,patellar,gag
C) nerve damage:crutch palsy,wristdrop,footdrop,Bell's palsy
D) cranial nerves:vagus,facial,median cubital,oculomotor

Question 50

Tic douloureux or trigeminal neuralgia is characterized by

A) intense facial pain.
B) diminished vision.
C) hearing loss.
D) hemiplegia.