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SFA Questions > SFA MODULE 14 (SENSORY) > Flashcards

SFA MODULE 14 (SENSORY) Flashcards

1
Q

Narrow-angle glaucoma develops when the angle is decreased between the:

retina and ciliary process.

lens and ciliary body.

iris and cornea.

iris and lens.

A

iris and cornea.

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2
Q

Which term refers to near-sightedness?

Hyperopia

Presbyopia

Myopia

Diplopia

A

MYOPIA

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3
Q

Which fluid is found surrounding the optic disc?

Aqueous humor

Vitreous humor

Cerebrospinal fluid

Tears

A

Cerebrospinal fluid

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4
Q

Which of the statements apply to infection of the eye by Staphylococcus aureus? 1. It involves the conjunctiva. 2. It is highly contagious. 3. It is commonly known as “pinkeye.” 4. It usually causes keratitis and permanent visual loss.

1, 3

2, 3

2, 4

1, 2, 3

A

1,2,3

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5
Q

Herpes simplex virus is a common cause of:

conjunctivitis.

corneal ulceration and scarring.

eye infection in the neonate.

total blindness.

A

corneal ulceration and scarring.

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6
Q

Which disorder is manifested by loss of peripheral vision?

Retinal detachment

Chronic (wide-angle) glaucoma

Cataract

Macular degeneration

A

Chronic (wide-angle) glaucoma

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7
Q

What must happen for the pupil of the eye to dilate?

The circular muscle of the iris must contract.

Cranial nerve III must be activated.

Stimulation of the sympathetic nervous system is required.

The optic nerve must be stimulated

A

Stimulation of the sympathetic nervous system is required.

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8
Q

Which of the following is a sign of a detached retina?

Painless blurring of vision

Eye pain, halos around lights, and nausea

Progressive loss of central vision

No pain, development of a dark area in the visual field

A

No pain, development of a dark area in the visual field

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9
Q

How does otosclerosis cause hearing loss?

Fixation of the stapes to the oval window

Adhesions between the ossicles

Fibrosis in the tympanic membrane

Overgrowth of bone obstructing the auditory tube

A

Fixation of the stapes to the oval window

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10
Q

What does the inner ear contain?

Malleus, incus, and stapes

Organ of Corti and semicircular canals

Tympanic membrane and auditory canal

Ossicles and oval window

A

Organ of Corti and semicircular canals

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11
Q

Which of the following is often the first sign of ototoxicity from drugs or chemicals?

Sudden total loss of hearing

Tinnitus

Severe pain in ear

Fluid exudate draining from ear

A

Tinnitus

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12
Q

What do the extrinsic muscles of the eye control?

Movement of the eyeball

Movement of the eyelid

Size of the pupil

Shape of the lens

A

Movement of the eyeball

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13
Q

The involuntary abnormal movement of one or both eyes is referred to as:

strabismus.

nystagmus.

presbyopia.

diplopia.

A

nystagmus.

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14
Q

Which statement does NOT apply to chronic glaucoma?

Degeneration and obstruction of the trabecular network

Gradual increase in intraocular pressure

Abnormally narrow angle between the cornea and iris

Damage to the retina and optic nerve

A

Abnormally narrow angle between the cornea and iris

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15
Q

Trachoma is indicated by the presence of:

purulent exudate and red sclerae.

corneal abrasions by the infected eyelids.

diplopia and cloudy lens.

ptosis and fixed dilation of the pupil.

A

corneal abrasions by the infected eyelids.

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16
Q

Which of the following statements is TRUE?

Conduction deafness results from inner ear damage.

Cochlear implants may restore hearing in cases of sensorineural loss.

Damage to the auditory area of the brain causes deafness in one ear.

Cochlear implants can replace the auditory pathway in all deaf individuals.

A

Cochlear implants may restore hearing in cases of sensorineural loss.

17
Q

In a case of acute otitis media, what would a purulent discharge in the external canal of the ear and some pain relief likely indicate?

Infection of the external ear

Obstruction of the auditory tube

Rupture of the tympanic membrane

Spread of infection into the mastoid cells

A

Rupture of the tympanic membrane

18
Q

Which of the following is an example of conduction deafness?

Damage to the organ of Corti

Degeneration of cranial nerve VIII

Adhesions reducing the movement of the ossicles

Trauma affecting the temporal lobe

A

Adhesions reducing the movement of the ossicles

19
Q

Which of the following is caused by an irregular curvature of the cornea or lens?

Nystagmus

Astigmatism

Hyperopia

Strabismus

A

ASTIGMATISM

20
Q

The semicircular canals of the inner ear are responsible for:

balance and equilibrium.

hearing in the upper frequency range.

hearing in the lower frequency range.

balancing the pressure in the auditory canal.

A

balance and equilibrium.

21
Q

Which is the early effect of age-related macular degeneration?

Loss of central visual acuity

Intermittent pain and blurred vision

Loss of peripheral vision

Loss of night vision and color perception

A

Loss of central visual acuity

22
Q

Severe pain develops with narrow-angle glaucoma when the:

pupils are constricted.

pupils are dilated.

lens changes shape.

excess vitreous humor forms.

A

pupils are dilated.

23
Q

Which of the following involves a gradual clouding of the lens of the eye?

Glaucoma

Cataract

Macular degeneration

Keratitis

A

CATARACT

24
Q

Why does vertigo occur with Ménière’s syndrome?

Fluid is lost from the inner ear.

Increased blood pressure causes edema in the middle and inner ears.

Damage occurs to the vestibular branch of the auditory nerve.

Excessive endolymph impairs the function of hair cells in the labyrinth.

A

Excessive endolymph impairs the function of hair cells in the labyrinth.

25
Q

The lens and cornea are nourished by:

small capillaries.

tears.

vitreous humor.

aqueous humor.

A

aqueous humor.

26
Q

An infection that damages the auditory nerve can cause what type of hearing loss?

Sensorineural

Conduction

Semiacute

Inflammatory

A

Sensorineural

27
Q

Loss of the left visual field results from damage to the:

left optic nerve.

right optic nerve.

left occipital lobe.

right occipital lobe.

A

right occipital lobe.

SFA Questions (14 decks)

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