In the human eye, the area of sharpest vision is located
a. in the cornea.
b. in the iris.
c. at the fovea centralis.
d. through the pupil.
c. at the fovea centralis.
Health Professions
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The term elderly applies to a person beginning at age:
A) 70. B) 55. C) 80. D) 65.
Health Professions
Which of the following statements about histamines and antihistamines is NOT true?
A) A chief side effect of antihistamines is sedation. B) Stimulation of the H1 histamine receptors plays a major role in the development of anaphylaxis. C) Although asthma attacks can be caused by allergens, antihistamines should not be administered as a treatment. D) There are antagonists for both H1 and H2 histamine receptor sites.
Health Professions