Sound waves with greater amplitude are perceived as having a higher pitch than sound waves with lower amplitude
a. True
b. False
Indicate whether the statement is true or false
False
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Why do opiate drugs produce a dangerous decrease in breathing, but marijuana does not? a. Opiates increase serotonin release, and marijuana increases dopamine release
b. Opiates attach to inhibitory synapses, whereas marijuana attaches to excitatory synapses. c. Most opiate users are already weakened from their prolonged use of other drugs. d. The area that controls breathing has more opiate receptors than marijuana receptors.
A moving object high in the sky was seen as an enemy aircraft by the soldier on guard, but as a bird by the bird watcher doing a bird count. This is explained best by:
a. recognition by components theory b. Gestalt principles of perceptual organization c. top-down processing d. transduction
Bright light affects the timing of body rhythms by reducing the amount of
a. melatonin. b. serotonin. c. acetylcholine. d. androgens.
Someone who risks arrest because they believe in demonstrating their support for unborn infants' right to life is demonstrating Kohlberg's
a. postconventional level. c. concrete level. b. preconventional level. d. postconcrete level.