Sound waves that enter the ear canal are directed to the ____, causing it to vibrate.
a. oval window
b. round window
c. tympanic membrane
d. eustachian tube
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Question 2) Nerve fibers leave the eye as the optic nerve at the ____.
a. fovea centralis
b. ciliary body
c. optic disk
d. retinal tract
(
Question 3) The photosensitive cells that produce color and require lots of light are the ____.
a. rods
b. cones
c. bipolar cells
d. ganglia
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Question 4) The ____ is the innermost layer of the eye and contains the photosensitive cells.
a. sclera
b. iris
c. conjunctiva
d. retina
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Question 5) The posterior compartment of the eye is filled with the ____ humor.
a. vitreous
b. aqueous
c. ciliary
d. scleral
(
Question 6) The ____ regulates the amount of light that enters through the diameter of the pupil.
a. cornea
b. iris
c. retina
d. sclera
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Question 7) The ____ body consists of smooth muscles that hold the lens in place.
a. ciliary
b. conjunctival
c. choroid
d. retinal
(
Question 8) The outermost layer of the wall of the eye is the ____.
a. retina
b. choroid
c. sclera
d. cornea
(
Question 9) The ____ gland produces tears.
a. trigeminal
b. choroid
c. lacrimal
d. orbital
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Question 10) The ____ nerve is a motor nerve that controls tongue movements.
a. abducens
b. trigeminal
c. vestibulocochlear
d. hypoglossal
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