Contraction of the orbicularis oculi
A) raises the eyelid.
B) is innervated by the optic nerve.
C) closes the eye.
D) flattens the lens during refraction.
Correct Answer:
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Q47: Myopia,farsightedness,and astigmatism are
A)errors of refraction.
B)infections of the
Q48: Lysozyme,an enzyme with antimicrobial activity,is found in
A)tears.
B)vitreous
Q49: The choroid
A)contains the blood vessels that nourish
Q50: There is a heavy concentration of cones
Q51: The conjunctiva
A)covers the cornea.
B)is a mucous membrane.
C)contains
Q53: Which of the following is most related
Q54: The medial canthus and lateral canthus are
A)corners
Q55: The occipital lobe
A)receives information from cranial nerve
Q56: The optic nerve
A)receives sensory information from mechanoreceptors.
B)transmits
Q57: Tactile receptors are
A)located behind the lens in
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