Approximately how many scents can humans detect?
a) 250
b) 1,000
c) 10,000
d) 20,000
ANS: c
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In contrast to agonists, antagonists are drugs that
a. increase the availability of neurotransmitters. b. increase the effectiveness of neurotransmitters. c. block receptor sites. d. mimic the action of neurotransmitters. e. speed up the transmission of neural impulses.
Which best describes proper linguistic turn-taking behavior? a. Attempt to alternate as speaker and listener
b. Only speak when spoken to. c. The more you know, the longer it is proper to speak. d. Try to nod approvingly when another person is taking a turn speaking.
Inferential statistics are used for
a. generalization from small samples. b. drawing conclusions. c. decision making based on limited data. d. all of these.
Nicholas plays guitar and Anthony plays bass for their rock band. When they turn up their amplifiers to 80 dB, how will the instruments sound to their neighbors? a. Nicholas' guitar will sound louder than Anthony's bass
b. Anthony's bass will sound louder than Anthony's guitar. c. Both instruments will sound equally loud. d. The apparent loudness of the two instruments will vary from time to time depending on the frequencies of the notes being played.