Special Senses

What function do the orbits, eye lashes, and lacrimal glands all have in common?

• Nutrition
• Lubrication
• Protection
• Excretion

When you cry and your nose runs, what fluid is coming through your nose?

• Tears
• Cerebrospinal fluid
• Aqueous humor
• Mucus

When you look in the mirror, what part of the eye can you NOT see?

• Iris
• Pupil
• Sclera
• Retina

What are the two functions of the lens of the eye?

• Refraction and accomodation
• Impulse reception and transmission
• Maintains the shape of the eyeball and refracts light
• Color vision and night vision

What part of the eye is actually a mucous membrane?

• Sclera
• Cornea
• Choroid coat
• Conjunctiva

When a person looks at an image, light rays pass through the eye and focus on the:

• Pupil
• Retina
• Optic nerve
• Lens

What eye condition can occur in someone with a normally shaped eyeball?

• Myopia
• Hyperopia
• Presbyopia
• Astigmatism

How is glaucoma usually treated?

• Medication
• Surgical removal of the lens
• Corrective lenses
• Radial kertotomy

What eye condition occurs more frequently in children?

• Cataract
• Glaucoma
• Strabismus
• Presbyopia

What disorder can often be corrected with radial keratotomy (RK)?

• Myopia
• Cataract
• Strabismus
• Amblyopia