Which statement about sleep is NOT accurate?
A. Humans need approximately 7 to 8 hours each night.
B. Some humans are long or short sleepers.
C. Traveling across time zones can disrupt sleep.
D. Sleep disorders are rare, and usually happen to older adults.
Answer: D
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Research on social influence in virtual groups shows that they
a. are much less influential than "live" groups. b. only have impact when member identities are known. c. only have impact when member identities are hidden. d. can be quite influential even when they are remote.
The ________ is a measure that is used to determine a person's fitness by comparing his or her height and weight with target healthy norms for people of the same age and body type
a. body mass index c. secular obesity scale b. contemporary obesity estimate d. height-weight ratio
Which type of amnesia are you most likely to experience in your lifetime?
A. anterograde B. retrograde C. aging-related D. infantile
Joe is very anxious over an upcoming exam. Consequently, his adrenal glands will probably produce ________
a) more testosterone b) less estrogen c) more cortisol d) less cortisol