20). Which of the following would cause a form of conductive deafness? A. torn t
ID: 10024 • Letter: 2
Question
20). Which of the following would cause a form of conductive deafness?A. torn tympanic membrane
B. tumor in the brain
C. damage to the auditory tube
D. use of streptomycin
21). Worldwide, blindness is most commonly caused by changes in the
A. vascular tunic.
B. nervous tunic.
C. cornea.
D. lens.
22). Which of the following best describes the reason that so many persons in need of treatment fail to undergo cornea transplantation?
A. transplantation reactions are very severe
B. low success rate of such treatment
C. lack of donor tissue
D. lack of corneal blood vessels
23). Treatment for cataract usually involves removal of the
A. cornea
B. sclera
C. lens
D. vitreous humor
24). The disorder called glaucoma is usually caused by
A. clouding of the lens.
B. clouding of the lens capsule.
C. excessive accumulation of vitreous humor.
D. excessive accumulation of aqueous humor.
Explanation / Answer
20). Which of the following would cause a form of conductive deafness?
A. torn tympanic membrane
B. tumor in the brain
C. damage to the auditory tube
D. use of streptomycin
21). Worldwide, blindness is most commonly caused by changes in the
A. vascular tunic.
B. nervous tunic.
C. cornea.
D. lens.
22). Which of the following best describes the reason that so many persons in need of treatment fail to undergo cornea transplantation?
A. transplantation reactions are very severe
B. low success rate of such treatment
C. lack of donor tissue
D. lack of corneal blood vessels
23). Treatment for cataract usually involves removal of the
A. cornea
B. sclera
C. lens
D. vitreous humor
24). The disorder called glaucoma is usually caused by
A. clouding of the lens.
B. clouding of the lens capsule.
C. excessive accumulation of vitreous humor.
D. excessive accumulation of aqueous humor.
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