The common factor among psychoactive drugs may be
A. their ability to activate the "pleasure pathways" of the brain.
B. the ease of obtaining them and the relatively inexpensive cost.
C. the similar way in which they are metabolized in the body.
D. their identical effect on neurotransmitters at the synapse.
Answer: A
You might also like to view...
Parents concerned about children having the combination of physical, cognitive, emotional, and social skills necessary for kindergarten are concerned about their children's
a. age. b. fears. c. happiness. d. readiness.
Which of the following plays a role in being overweight?
a. genetics c. environment b. physiological factors d. all of these
Unlike barbiturates, benzodiazepines
a. act on GABA receptors. b. are used to treat anxiety. c. show a 100:1 ratio between lethal dosage and therapeutic dosage. d. are rarely prescribed by physicians. e. can prove fatal when combined with small amounts to ethyl alcohol.
__________ is the process of selecting some sensations for further processing
a) Attention b) Perception c) Bottom-up processing d) Top-down processing