General and Special Senses

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

• Nutrition
• Lubrication
• Protection
• Excretion

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

Where would you find cerumen?

• Eustachian tube
• External auditory canal
• Semicircular canals
• Cochlea

If your ossicles were removed, you would NOT be able to:

• Equalize pressure on both sides of the tympanic membrane
• Maintain your sense of balance
• Transmit sound waves to the inner ear
• Carry nerve impulses to the cerebrum

Of the following, when a sound is heard, what structure would be the first to transmit the sound wave?

• Organ of Corti
• Cochlea
• Stapes
• Tympanic membrane

What organ of the inner ear is NOT involved in hearing?

• Vestibule
• Cochlea
• Organ of Corti
• Semicircular canals