A drug that mimics or amplifies the effect of a neurotransmitter is called a(n):
a. Antagonist
b. Ligand
c. Receptor binder
d. Agonist
D
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Girls who experience insecure, high-stress, undependable, and unpredictable environments tend to do all of the following except
a. mature sooner. c. put off having children until later in life. b. engage in sex earlier. d. invest less in the children they have.
A new dog owner is trying to use classical conditioning to train her dog to blink whenever she says "Blink." She blows into his eyes, then says "Blink," but the dog is not learning to blink at her command. To improve her training technique,
a. not say "Blink" until after the dog has blinked. b. say "Blink" before blowing into the dog's eyes. c. say "Blink" without blowing into the dog's eyes. d. give the dog a treat whenever he blinks.
Chung Ching wrote two well-known medical works around A.D. 200 and has been referred to as the ____________ of China
a. Aristotle b. Galen c. Plato d. Hippocrates
Under normal circumstances, if a sperm carrying a(n) ____ sex chromosome fertilizes an egg carrying a(n) ____ sex chromosome, a male fetus is produced
A) ?X; X B) ?X; Y C) ?Y; X D) ?Y; Y