NEURO 2 Flashcards by Justy Torres

1 The following statements are true of the trigeminal
nerve, EXCEPT:
I It branches into three major divisions:
ophthalmic, maxillary and mandibular
Il. It is the sensory nerve of the face, mouth, teeth
and nose
III. This is also the fifth cranial nerve
IV. It is the motor nerve to the four muscles of mastication

a. All of these
B. I, II, III
C. II, IV
D. none
E. I and III

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Ptosis of the upper eyelid is an abnormality which
may be due to the following conditions, EXCEPT:
I.Myasthenia gravis
II. Third nerve paresis
III. Horners syndrome
IV. Edema due to infection, trauma or venous stasis

A. I, II, III
B. I, III
C. II, IV
D. all of these
E. None of these

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Lesion to the oculomotor nerve results in the
following conditions:

I. Ptosis
II. Miosis
III. External strabismus
IV. Esotropia

a. All of these
b. I, II, III
c. I, II
d . II, IV
e. Only IV

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Upon observation, the patient has left facial
weakness. He is unable to show his teeth on the left
side. However, he is able to raise his left eyebrow. The therapist suspects:
a. Peripheral cranial nerve 5 lesion
b. Central cranial nerve 5 lesion
c Peripheral cranial nerve 7 lesion
d. Central cranial nerve 7 lesion

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Which of the following cranial nerve/s is/are NOT
significantly affected by unilateral cerebral lesions?
I. Vagus
II. Hypoglossal
Ill. Accessory
IV. Glossopharyngeal

A. I, III
B. I, II, III
C. all of these
D. Only IV
E. None of these

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Optic radiation lesions could result in the following
visual field defects:
I. Interruption of the entire radiation gives complete
loss of vision to the opposite side, homonymous
hemianopsia
Il. The more posterior the lesion, the more nearly do
the visual field defects in the two eyes resemble
each other
III. Parietal lobe lesions result to a contralateral
homonymous inferior quadrantanopsia
IV. Temporal lobe lesions result to an ipsilateral
homonymous superior quadrantanopsia

A. All of these
B. None of these
C. I, II, III
D. II, IV
E. Only IV

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The pupils of the eyes of your patient constricted when asked to shift his gaze on a nearer object, but it did not react when light was shone on either eye. This is known as:
a. Marcus gunn pupil
b. Horner’s syndrome
c. Doll’s eye syndrome
d. Argyll-robertson pupil
e. None of these

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Injury to the spinal accessory nerve results in the
following:

I Weakness ni rotating the head to the opposite side
Il. Downward and outward rotation of the upper part of the scapula
III. Sagging and weakness in shrugging the shoulder
IV. The tongue deviates to paralyzed side

a. All of these
B. Only iv
C. I, ii, iii
D. I, iii
E. Ii, iv

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Chiasmal lesions could result in the following visual
defects, EXCEPT:

a. Lesion involving both the optic nerve and the optic chiasm produces ipsilateral blindness and a temporal field defect in the other eye
b. Transection of the optic nerve results in ipsilateral monocular blindness
c. Lesion on the right optic tract results in left homonymous hemianopsia
d. Chiasmal lesion produces bitemporal hemianopsia
e. None of these

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During cranial nerve testing, a light was directed on your patient’s left eye. You observed that both pupils remained dilated. To further confirm where the problem was, the
right eye was stimulated. You noted that both pupils constricted. What nerve was possibly injured?
a. Right optic
b. Left oculomotor
c. left optic
d. right oculomotor

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The oculomotor nerve innervates
these muscles of the
eye, except:
I. Superior rectus
Il. Inferior oblique
I. Medial rectus
IV. Superior oblique
a. I & III
b. II & IV.
c. Only iv
d. none of these
e. all of these

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Apatient suffers from diplopia when he looks down to
the left. What cranial nerve is mo
st probably injured?
a. Right CN 4
b. Left CN 4
c. Right CN 6
d. Left CN 6

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Active extra-occular muscles when looking downward
and left
a. (L) superior rectus and ® inferior oblique
b. (L) inferior rectus and ® superior oblique
.c (L) inferior oblique and ®superior rectus
d. (L) superior oblique and ® inferior rectus

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A patient has diplopia when looking to the right. What nerve is affected?

a. ® CN 4
b.(L) CN 4
C. ® CN 6
d. (L) CN 6
e. NOTA

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Stimulation of the vagus nerve may be expected to
result in:
a. Decreased blood pressure and increased cardiac contractili
b. Vasoconstriction and bradycardia
c. Vasodilation and tachycardia
d. Vasoconstriction and increased heart rate
e. Decreased BP and bradycardia

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Injury to the facial nerve at the Brainstem will result in:

I. Impaired lacrimation
Ii. Hyperacusis
IlI. Loss of taste on anterior 2/3 of tongue palsy
IV. facial

A. All of these
B.i, ii, iii
C. I, iii
D. Ii, iv
E. None of these

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If the motor root of the trigeminal nerve is injured,
paralysis occurs in:
I. Mylohyoid
I. tensor tympani
Il. Anterior belly of digastric muscles
IV. Pterygoids

a. All of these
b. None of these
с. І, ІІ, ІІІ
d. I and III
e. Il a n d IV

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The following statements apply to the 7th cranial nerve, EXCEPT:

a. Innervates the musculature of the face and the posterior belly of digastric
b. The platysma is tested by pulling down the corners of the subjects mouth
c. Minor degrees of unilateral weakness are often best seen at rest or during expressional changes during conversation and in blinking
d. This nerves via its division called the chorda tympani conveys the taste from the anterior tongue
e. None of these

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A32-year-old woman has hoarseness in her voice, and
her uvula is deviated to the right on phonation. Which
of the following nerve is damaged?
a. Right trigeminal nerve
b. Left trigeminal nerve
C. Right vagus nerve
d. Left vagus nerve
e. Left glossopharyngeal nerve

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A pharyngeal (gag) reflex is the contraction of the pharyngeal constrictor muscles that is elicited by touching the back of the patient’s pharynx. Afferent nerve fibers that innervated the pharyngeal mucosa are branches of which of the following nerves?
a. Trigeminal nerve
b. Facial nerve
c. Glossopharyngeal nerve
d. Vagus nerve
e. Hypoglossal nerve

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A34-year-old man in a bar fight suffers a knife wound that severs the abducens nerve proximal to its entrance into the orbit. Which of the following conditions results from injury?
a. Ptosis of the upper eyelid
b. Loss of the ability to dilate the pupil
c. External strabismus (lateral deviation)
d. Loss of visual accommodation
e. Internal strabismus (medial deviation)

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A 31-year old hockey player si hit in the head. His radiogram shows a fracture of the fora,en rotundum.
Which of the following nerves would be damaged by this event?
a. Opthalmic nerve
b. Mandibular nerve nerve
c. Maxillary nerve
d. Optic nerve
e. Trochlear

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A59-year old woman with pain at the side of her skull comes to the emergency department. An emergent CT scan shows a large lesion in the internal auditory meatus. This condition may progress and damage which of the following pairs of structures?
a. CN 9 and 10
b. Internal carotid and vertebral arteries
c. CN 11 and 12
d. CN 7 a n d 8
e. CN 5 and 7.

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The drummer of a local band presents to your clinic
with hearing loss. Otoscopic examination reveals loss of contraction of the tensor tympani and the stapedius. These muscles are most likely controlled by which of the following nerves?
a.CN5and7 d.CN7and1
b.CN8and7 e.CN5and11 c. CN 8 and 10

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A53-year old woman is diagnosed as having a pituitary tumor. If the tumor is large enough, she could exhibit which of the following disorders? a. Blindness b. Bitemporal hemianopsia c. Right nasal hemianopsia d. Left homonymous hemianopsia e. Binasal hemianopsia

A57 year old man comes to a local hospital with fever, headache, nausea and vomiting. Laboratory test reveals an infection and radiologic examination localizes the infection to the cavernous sinus. Which of the following nerves would be unaffected by thiscondition? a. Oculomotor nerve b. Abducens nerve .c Trochlear nerve d. Mandibular nerve e. Opthalmic nerve

A20-year old guard at the gate of the Chong Hua Hospital blinks his eyes when a strong wind hits the cornea of this eye. The efferent fibers of the corneal reflex arc are carried by which of the following nerves? a. Optic nerve b. Oculomotor nerve c. Abducens d. Trigeminal nerve e. Facial nerve

During surgery of a malignant parotid tumor, the main trunk of the facial nerve is lacerated. Which of the following muscles is paralyzed? a. Masseter muscle b. Stylopharyngeus muscle c. Anterior belly of digastric d. Stylohyoid e. Tensor tympani

Cranial nerve 8 dysfunction will manifest with the following, EXCEPT: I. Vertigo II. Nystagmus II. Deafness IV. Hyperacusis a. All of these B. I, ii, iii C. Ii, iv D. I, iii E. Only iv

A physical therapist suspects a patient is developing Bells' Palsy. The physical therapist wants to test the function o f cranial nerve VII. Which of the following would be the most appropriate testing procedures? a. Test the taste sensation over the back of the tongue and activation of the facial muscles b. Test the taste sensation over the front ofthe tongue and activation of the facial muscles c. Test the sensation of the facial muscles and sensation of the back of the tongue d. Test the sensation of the facial muscles and sensation of the front of the tongue

Lesion of the seventh cranial nerve at the stylomastoid foramen results in the following conditions, EXCEPT: I. Cannot close the eye on the side of the paralysis I. Bell's palsy III. The buccinators is paralyzed, and the cheek puf out during expiration IV. Total paralysis of facial expression muscles on that side a. None of these b. All of these с І, ii, iii d. Iand III e. Il and IV

Dysphagia would most likely occur in lesions involving the: a. Medullary brainstem b. Internal capsule c. pons d. Midbrain

What cranial nerves arise from the midbrain? a. Cranial nerves 5 and 7 b. Cranial nerves 1 and 2 c. Cranial nerves 3 and 4 d. Cranial nerves 9and 10

What cranial nerves are acting if you told the patient to look to her right? a.(R)CN3,(L)CN 3 b. (R) CN 6, (L) CN 6 c. (R) CN 3, (L) CN 6 d. (L) CN 3, (R) CN 6

Abducens nerve is affected in which of the following? a. Millard gubler b. Wallenburg c. weber d. Benedikt

Right CN 12 is affected, to where do you expect the tongue to deviate? a. To the right side b. Contralateral side c. To the left side d. Away from the lesion site

37. Complete denervation of the abducens nerve result in the following: i The subject cannot turn the eyes outward beyond the midline i. Horizontal diplopia iji. Internal strabismus iv. Loss of downward movement ocular movement when the eye is turned toward the nose a. Al of these b. None of these c. I, Il and III d. Only VI e. Il and VI

Pain and temperature of the face are carried by what nucleus? a. The mesencephalic nucleus of CN V b. The main sensory nucleus of CN V c. The spinal nucleus of CN V d. The nucleus of tractus solitarius of CN VII

Turns the adducted eye down and causes intorsion of the eye a. CN 3 b. CN 4 c. CN 6 d. CN 5

Assuming the patient's eyesight is normal, in which cranial nerve is there likely to be a lesion when the direct and consensual light reflexes are absent? a. trochlear nerve d. Oculomotor nerve b. optic nerve e. trigeminal nerve c. abducent nerve

What nerve/s innervate/s the tongue? .I Facial II. Trigeminal III. Glossopharyngeal IV. Hypoglossal a. I,II,Iii d. Al of these b. I,IlI e. Only iV C. II,IV

Which of the following brainstem stroke syndromes affect CN3? a. Locked-in c. Millard gubler b. Benedikt d. Wallenburg

The sensory cranial nerve supply of the eyeball is .a fourth (Trochlear) b. Opthalmic Division of the Fifth (Trigeminal) c. Third (Occulomotor) d. Seventh (Facial) e. Sixth (Abducenas)

Patient with homonymous hemianopsia most likely has involvement of which part of the visual pathway? a. Optic nerve b. Optic tract and optic radiation c. Optic chiasm d. Both occipital cortex

Lesion on the left optic tract would result to what visual field defect? a. Right nasal and left temporal hemianopsia b. Left nasal and temporal hemianopsia c. Bilateral quadrantinopsia d. Left nasal and right temporal hemianopsia

Dysphagia, dysphonia and regurgitation of food into the nose on swallowing is a result of bilateral lesion to this nerve: a. Glossopharyngeal nerve b. Accessory nerve c. Hypoglossal nerve d. Vagus nerve

A45 year old woman who has diabetes has developed shingles involving the right cornea. Through which the nerve did the varicella virus likely to travel to cornea? .a Optic nerve .c Trigeminal nerve b. Occulomotor nerve d. facial nerve

If the left spinal accessory nerve is cut, which of the functions are lost? a. Ability to turn the head to the right and shrugging of the right shoulder b. Ability to turn the head to the left and shrugging of the left shoulder c. Ability to turn the head to the right and shrugging of the left shoulder d. Ability to turn the head to the left and shrugging of the right shoulder e. All of these

Not a true peripheral nerve, an evaginated fiber tract of the diencephalon: a. Optic nerve b. Trochlear nerve c. Oculomotor nerve d. Olfactory nerve

The vagal system cranial nerves. . I Vagus I. Facial III. Glossopharyngeal IV. Spinal part of accessory nerve a. All of these d. I and IV b. I, Il and III e. none of these c. I a n d III

NEURO 2 Flashcards

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