What effect does histamine have?
a. reduced local edema
b. increased erythrocyte proliferation
c. reduced capillary permeability
d. vasoconstriction
e. vasodilation
e
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Farsightedness that is due to the aging process is known as ________.
A. hyperopia B. myopia C. presbyopia D. amblyopia
The pharmaceutical drug RU-486 is sometimes used for medical abortions. RU-486 blocks progesterone production. It cannot cross from the mother's blood into the placenta. The drug loses most of its abortive properties after the 1st trimester. This is likely because after the 1st trimester, the ________ begins producing a sufficient supply of progesterone and estrogen.
Fill in the blank(s) with the appropriate word(s).
Stimulants may improve which of the following:
a. Academic performance b. Social skills c. Oppositional behavior d. Academic productivity
Various types of macrophages are derived from
A) lymphocytes. B) monocytes. C) neutrophils. D) eosinophils. E) basophils.