Although alcohol is a central nervous system depressant, people often subjectively experience it as a stimulant, doing things that they wouldn't otherwise do, particularly at low dosages. This is because
a. alcoholisquitesimilarchemicallytoamphetamines.
b. the effects of alcohol depend on the expectations of the user.
c. alcohol is quite similar chemically to barbiturates.
d. alcohol depresses areas in the brain responsible for
critical judgment.
d. alcohol depresses areas in the brain responsible for
critical judgment.
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The antibody most involved in triggering an allergic reaction is
A. immunoglobulin E. B. gamma globulin. C. a mast cell. D. histamine.
In the medical word chronic, the combining form chron/o- means "________."
Fill in the blank(s) with correct word
Yoga is
a. a type of dance popular in India. b. a form of strength and flexibility training with roots in Eastern Indian philosophy. c. a dairy product from Western Europe that is low in fat and cholesterol. d. a new kind of Chinese exercise equipment used in group fitness. e. none of the answers are correct
When the body responds to a relatively harmless substance as if it were a dangerous pathogen and mounts an immune response, this response is called
A. an allergic reaction. B. pathogenesis. C. passive immunity. D. active immunity.