Question 1

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.

Accepted Answer

A) Trigeminal 
B) Hypoglossal 
C) Facial 
D) Olfactory

Question 2

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

Accepted Answer

A) Meninges 
B) Plexuses 
C) Tracts 
D) Motor tracts

Question 3

The baroreceptor reflex controls

Accepted Answer

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

Question 4

Both the trigeminal and facial nerves participate in the _____ reflex.

Accepted Answer

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

Question 5

Sensory information is carried by the cochlear branch of CN VIII to the

Accepted Answer

A) primary auditory cortex. 
B) occipital lobe. 
C) temporal lobe. 
D) More than one of the above are true.

Question 6

The Roman numerals that designate the cranial nerves indicate

Accepted Answer

A) whether the nerves are sensory,motor,or mixed. 
B) the order in which the nerves exit the brain. 
C) the nerves that emerge from the frontal lobe. 
D) the nerves that use ACh as their neurotransmitters.

Question 7

The somatic motor branch of the peripheral nervous system

Accepted Answer

A) exits the spinal cord through the dorsal root. 
B) regulates heart rate. 
C) is the afferent branch of the peripheral nervous system. 
D) is an efferent branch of the peripheral nervous system.

Question 8

Which of the following is not true of Bell's palsy?

Accepted Answer

A) Facial nerve involvement 
B) CN VII 
C) Spasm: sternocleidomastoid bilaterally 
D) Impairment: blinking

Question 9

Which of the following is the most serious consequence of a damaged or anesthetized glossopharyngeal nerve? Impaired

Accepted Answer

A) secretion of salivary glands and dry mouth. 
B) corneal reflex and corneal scarring. 
C) gag reflex and aspiration of food and water into the respiratory passages. 
D) swallowing causing starvation.

Question 10

Sensory nerve fibers travel from the periphery to the spinal cord through the

Accepted Answer

A) dorsal root. 
B) efferent branch. 
C) pyramidal tracts 
D) descending tracts.

Question 11

Which of the following is located within the spinal cavity?

Accepted Answer

A) Cauda equina 
B) Cervical plexus 
C) Brachial plexus 
D) Vagus nerve

Question 12

The dermatome is most related to which of the following?

Accepted Answer

A) Cranial nerves 
B) Lumbar puncture 
C) Spinal nerve distribution 
D) The autonomic nervous system

Question 13

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

Accepted Answer

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

Question 14

A hammer strikes the Achilles tendon to elicit which stretch reflex?

Accepted Answer

A) Babinski 
B) Baroreceptor 
C) Patellar tendon 
D) Ankle jerk

Question 15

Damage to which nerve prevents extension of the hip and flexion of the knee?

Accepted Answer

A) Axillary 
B) Phrenic 
C) Sciatic 
D) Median cubital

Question 16

The oculomotor,trochlear,and abducens are cranial nerves that

Accepted Answer

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 17

The gag reflex is mediated by which nerve?

Accepted Answer

A) Optic nerve 
B) Oculomotor nerve 
C) Cranial nerve VIII 
D) Glossopharyngeal nerve

Question 18

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

Accepted Answer

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 19

The first,second,and eighth cranial nerves

Accepted Answer

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

Question 20

Damage to the common peroneal nerve causes

Accepted Answer

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

Exam 11: Nervous System: Spinal Cord and Peripheral Nerves