Most psychoactive drugs produce their effects primarily by acting on ________
a. hormones.
b. the hypothalamus.
c. neurotransmitters.
d. the autonomic nervous system.
Answer: c
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Pretend that you are in a discussion with friends and the topic is hard sciences versus soft sciences. It is argued that psychology is not a true science at all, as are sciences like chemistry and physics. How would you defend the proposition that psychology is a true science?
What will be an ideal response?
Herb is watching a documentary on Dr. Loewi. He learned that neuroscientists first understood that synapses use chemicals to communicate because Dr. Loewi _____.
A. decreased a dog's heart rate and then used adrenaline to speed it up B. stimulated a frog's heart that was in a fluid bath and then used just the fluid to simulate a second heart C. measured the reflex speeds in dogs D. applied adrenaline directly onto a heart muscle
Russell proposed the _____ model of affect, which classifies emotions along two dimensions, with emotional words describing a circle around the dimensions
a. circumplex b. dimensional c. adaptive circular d. learned
Adolescents in ________ societies are likely to see themselves as self-contained and autonomous, competing with others to better their lot in life
Fill in the blank with the appropriate word.