Neuro 2 Flashcards by Tisha Ayonayon

Loss of appetite in TBI usually affects what cranial nerve?

a. Facial
b. Olfactory
c. Trigeminal
d. Glossopharyngeal

b. Olfactory

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When afferent transmission in the optic nerve is impaired, a pupillary escape becomes more
evident. If the light source “swung” from eye to
eye, dwelling 2-3 seconds on each, the affected pupil may paradoxically dilate. This is called:

a. Anton’s syndrome
b. Argyll-robertson pupil
c. Marcus-gunn pupil
d. Horner’s syndrome

c. Marcus-gunn pupil

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The following cranial nerves are commonly
affected in ALS, EXCEPT:

a. Trigeminal
b. Hypoglossal
c. Facial
d. Vagus
e. None of these

e. None of these

ALS: 1975 + 12

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Visual impairments are one of the most common forms of sensory loss affecting the patient with hemiplegia. Homonymous hemianopsia usually occurs following damage to which arteries?

a. ACA AND PCA
b. ACA AND MCA
c. MCA AND PCA
d. All of these
e. None of these

c. MCA AND PCA

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The posterior cerebral artery stroke patient you are examining has left sided hemiplegia and oculomotor nerve palsy or Weber’s syndrome.
Which exact part of the brain is affected?

a. Midbrain
b. Medulla
c. Cerebellum
d. Pons

a. Midbrain

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A cancer patient shows weak shoulder shrug,
flexion and abduction. The shoulders are in a
depressed position. This is after a cervical lymph node dissection surgery. The nerve affected is the ___

a. Spinal accessory
b. Long thoracic
c. Axillary
d. Vagus

a. Spinal accessory

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Which of the following nerves is NOT a true
peripheral nerve, but an evaginated fiber tract of the diencephalons?

a. Optic
b. Auditory
c. Oculomotor
d. Olfactory
e. Trochlear

a. Optic

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

a. Chiasmal lesion produces bitemporal
hemianopsia
b. Lesion of the right optic tract results in
right homonymous hemianopsia.
c. Lesion involving both the optic nerve and
the chiasm produces ipsilateral blindness
d. Transection of the an optic nerve results
in ipsilateral monocular blindness
e. A temporal field defect in the other eye is
a result of a lesion involving both optic
nerve

b. Lesion of the right optic tract results in right homonymous hemianopsia.

Dapat left HH

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The cranial nerves that innervate the extraocular muscles:
I. CN 3
II. CN 4
III. CN 5
IV. CN 6

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

b. I, II, IV

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Lesion on the left optic tract would result to what visual field defect?

a. Right nasal and left temporal hemianopsia
b. Left nasal and right temporal hemianopsia
c. Bilateral quadrantinopsia
d. Bilateral blindness

b. Left nasal and right temporal hemianopsia

Remember: Turo turo dance ni sir omar kapag optic tract and cortex

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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

c. Left optic

Okay si oculomotor kasi nag constrict yung 2 eyes.

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An isolated lesion of this nerve results in vertical diplopia and tilts his head to align the eyes:

a. Trochlear nerve
b. Oculomotor nerve
c. Facial nerve
d. Abducens nerve

a. Trochlear nerve

Tip: tilt (4 letters)
CN 4

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The pupils of the eyes of your patient is 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 the:

a. Argyll-Robertson pupil
b. Horner’s syndrome
c. Prostitute pupil
d. Doll’s eye syndrome

a. Argyll-Robertson pupil

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Dysphagia, dysphonia and regurgitation of food into the nose on swallowing is a result of bilateral lesion to this nerve:

a. Glossopharyngeal
b. Hypoglossal
c. Axillary nerve
d. Vagus nerve

d. Vagus nerve

Pag may dysphonia, vagus

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The oculomotor nerve innervates these mms of the eyes
I. Superior rectus
II. Inferior oblique
III. Medial Rectus
IV. Superior oblique

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

b. I, II, III

Remember: EOM3 SO4 LR6

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True about jugular foramen syndrome, EXCEPT:

a. Loss of taste at the anterior tongue
b. Paralysis of vocal cords
c. Paralysis of the pharynx
d. None of these
e. All of these

a. Loss of taste at the anterior tongue

Posterior dapat

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A patient suffering from diplopia rotates head to normalize her vision, what cranial nerve is
affected?

a. CN 6
b. CN 4
c. CN 3
d. CN 7

a. CN 6

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Active extra-ocular muscles when looking
downward and left

a. L superior rectus and R inferior oblique
b. L inferior rectus and R superior oblique
c. L inferior oblique and R superior oblique
d. L superior oblique and R inferior rectus

b. L inferior rectus and R superior oblique

Remember: IO MR SO SR LR IR

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

a. R CN 4
b. L CN 4
c. R CN 6
d. L CN 6
e. NOTA

c. R CN 6

Remember: Kapag diplopia lang sinabi, considered na horizontal siya. Kapag horizontal, matic na 6. To know naman kung anong side, kung ano tinitignan niya yun yung problem.

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Stimulation of the vagus nerve may be expected to result in:

a. Decreased blood pressure and increased
cardiac contractility
b. Vasodilation and bradycardia
c. Vasodilation and tachycardia
d. Vasoconstriction and increased heart rate

b. Vasodilation and bradycardia

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Injury to the facial nerve at the stylomastoid
foramen with result in:

a. Impaired lacrimation
b. Hyperacusis
c. Loss of taste on anterior 2/3 of tongue
d. Facial palsy

d. Facial palsy

If the motor root of the trigeminal nerve is injured, paralysis occurs in:

a. Buccinator
b. All of these
c. Tensor tympani
d. Posterior belly of digastric muscles

c. Tensor tympani

The vagal system includes the following, EXCEPT:

a. CN 6
b. CN 9
c. Cranial portion of CN 11
d. CN 10

a. CN 6

Following muscles are supplied by branches of
seventh cranial nerve, EXCEPT:

a. Mentalis
b. Orbicularis colli
c. Nasalis
d. Levator palpebrae superioris

d. Levator palpebrae superioris

Injury to the spinal accessory nerve results in the following, EXCEPT: a. Downward and outward rotation of the upper part of the scapula b. Weakness in rotating the head to the opposite side c. Sagging and weakness in shrugging the shoulder d. The tongue deviates to the paralyzed side

d. The tongue deviates to the paralyzed side

The following statements apply to the seventh cranial nerve, EXCEPT: a. Innervates the musculature of the face and the platysma b. The platysma is tested by pulling down the corners of the subject’s mouth c. Minor degrees of unilateral weakness are often best seen at rest or during expressional changes during conversation and in blinking d. This nerve via its division called chorda tympani conveys the taste from the posterior tongue e. The strength of the frontalis can be estimated by smoothing the wrinkles with the fingers

d. This nerve via its division called chorda tympani conveys the taste from the posterior tongue

A 32yo woman has hoarseness in her voice, and her uvula is deviated to the left on phonation. Which of the following nerve is damaged? a. Right CN5 b. Left CN5 c. Right CN 10 d. Left CN 10 e. Left CN 9

c. Right CN 10 Contralateral side

A 24 yo man falls from his motorcycle and lands in a creek. Death may result from bilateral severance of which of the following nerves? a. Trigeminal nerve b. Facial nerve c. Vagus nerve d. Hypoglossal nerve

c. Vagus nerve

A 34 yo 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)

e. Internal strabismus (medial deviation)

A 31 yo hockey player is hit in the head. His radiogram shows a fracture of the foramen rotundum. Which of the following nerves would be damaged by this event? a. Ophthalmic nerve b. Mandibular nerve c. Maxillary nerve d. Optic nerve e. Trochlear nerve

c. Maxillary nerve Code: Si Max nasa Rotonda

A 53 yo 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

b. Bitemporal hemianopsia Affected si optic chiasm

A 45 yo woman is suffering from numbness over the tip of her nose. Which of the following nerves is most likely to damaged? a. Ophthalmic division of the trigeminal nerve b. Maxillary division of the trigeminal nerve c. Mandibular division of the trigeminal nerve d. Facial e. Vagus

a. Ophthalmic division of the trigeminal nerve

A 57 yo 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 this condition? a. Oculomotor nerve b. Abducens nerve c. Trochlear nerve d. Mandibular nerve e. Ophthalmic nerve

d. Mandibular nerve

Cranial nerve 8 dysfunction will manifest with the following: I. Vertigo II. Nystagmus III. Deafness IV. Hyperacusis a. All of these b. I, II and III c. II and IV d. I and III e. None of these

b. I, II and III IV is CN5

Lesion of the seventh cranial nerve at the stylomastoid foramen results in the following conditions, EXCEPT: a. Can still close the eye on the side of the paralysis b. Bell’s palsy c. The buccinators are paralyzed, and the cheek puff out during expiration d. Total paralysis of facial expression muscles on that side

a. Can still close the eye on the side of the paralysis

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

a. Medullary brainstem

A man is unable to move his eyes downward. The lesion is most likely situated in the a. Medulla b. Basilar aspect of the pons c. Pontine tegmentum d. Midbrain e. Cerebellum

d. Midbrain

A lesion of cranial nerve VII proximal to its entry into the central nervous system will produce all the following deficits, EXCEPT: a. Impairment of lacrimation on the side of the lesion b. Complete loss of taste over the anterior part of the tongue c. Hyperacusis d. Loss of the corneal reflex on the side of the lesion e. Increased difficulty in swallowing

e. Increased difficulty in swallowing 9 and 10 dysphagia

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 b. Optic nerve c. Abducens nerve d. Oculomotor nerve e. Trigeminal nerve

d. Oculomotor nerve

A patient had a TBI, what bone is fractured if there is loss of function of the olfactory nerve? a. Vomer b. Sphenoid c. Cribriform plate of ethmoid d. Inion

c. Cribriform plate of ethmoid

What nerve/s innervate/s the tongue? I. facial II. Trigeminal III. Glossopharyngeal IV. Hypoglossal a. I, II and III b. I and III c. II and IV d. All of these e. Only IV

d. All of these

Which of the following brainstem stroke syndromes affect CN 3? a. Locked-in b. Benedict c. Millard gubler d. Wallenburg

b. Benedict

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

a. Towards the side of the lesion IL dapat

Complete denervation of the abducens nerve result in the following, EXCEPT: a. The subject cannot turn the eyes outward beyond the midline b. Horizontal diplopia c. Internal strabismus d. Loss of downward movement ocular movement when the eye is turned toward the nose

d. Loss of downward movement ocular movement when the eye is turned toward the nose

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

b. Optic tract and optic radiation

A patient is experiencing vertigo, tinnitus and sense of fullness in the ear most likely has which of the following? a. Tic douloureux involving the CN5 b. Bell’s palsy involving the CN7 c. Meniere’s disease involving CN8 d. MS involving the cerebellum

c. Meniere’s disease involving CN8

A 45 yo 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 b. Oculomotor nerve c. Trigeminal nerve d. Facial nerve

c. Trigeminal nerve

Dysphagia is a disorder that happens if a patient has damage to what cranial nerve? a. 4 and 6 b. 11 and 12 c. 1 and 2 d. 9 and 10

d. 9 and 10

If the right 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 of the left and shrugging of the right shoulder e. All of these

d. Ability to turn the head of the left and shrugging of the right shoulder

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

c. The spinal nucleus of CN V