Codeine, heroin, and morphine all ____ and are derived from the ____
a. stimulate the central nervous system; cannabis plant
b. stimulate the central nervous system; coca plant
c. depress the central nervous system; opium plant
d. depress the central nervous system; marijuana plant
C
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Josh starts smoking to experience the pleasurable feelings associated with nicotine. This behavior is best explained by the ____ theory of motivation. Eventually, however, Josh becomes physically addicted to nicotine and now he needs the drug to reduce the cravings he feels. Josh's behavior is now best explained by ____ theory.?
a. ?incentive; drive reduction b. ?drive reduction; arousal c. ?arousal; drive reduction d. ?drive reduction; incentive
Compared to girls with "XX" sex chromosomes, girls with Turner's syndrome:
a. have an extra X chromosome. b. have an extra Y chromosome. c. perform better on verbal tests. d. perform more poorly on motor performance tests.
The wavelength of the light reaching your eyes determines in part what __________ you see
a) brightness b) saturation c) hue d) fine detail
Ramón and Ramona are learning to ski. Every time she falls, Ramona says, "This is the most humiliating experience I've ever had! Everyone is watching me behave like a clumsy dolt!"
When Ramón falls, he says, "&*!!@$@! I'll show these dratted skis who's boss!" Why is Ramona more likely than Ramón to give up? a. She is a clumsy dolt. b. She is less competent at skiing. c. She is focused on learning. d. She is focused on performance.