Which of the following statements concerning myopia is correct?
a. the curvature of the lens is uneven.
b. a near source of light is focused on the retina without accommodation.
c. a convex lens is used to correct the condition.
d. the images from the two eyes are not fused within the cortex.
e. there is increased intraocular pressure.
B
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The first step in tissue repair involves ________
A) replacement of destroyed tissue by the same kind of cells B) formation of scar tissue C) proliferation of fibrous connective tissue D) inflammation
The sympathetic nerve supply of the stomach arises from which of the following cord segments?
(A) T1-T5 (B) T6-T9 (C) T6-T12 (D) L1-L3 (E) T10-L2
The blood vessel that supplies blood to the pancreas, the duodenum, and most of the large intestine is the
A) gastric artery. B) renal artery. C) superior mesenteric artery. D) celiac artery. E) inferior mesenteric artery.
Good general dietary advice for athletes is to eat
A) 60% or more carbohydrates, mostly from grains and vegetables. B) only two large meals a day, with no snacks. C) much more protein than non-athletes. D) about equal amounts of the three macronutrients.