A circadian rhythm refers to a cycle
a. of sexual receptivity caused by hormone cycles.
b. of bodily activity approximately 24 hours in length.
c. of emotional arousal.
d. during which various bodily systems are in a dysfunctional state.
B
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Perceptions that have no basis in external stimulation are called:
a. hallucinations b. delusions c. obsessions d. compulsions
In the rock star's performance contract, he specified that a bowl of red candy be placed in his dressing room. This is an example of what?
A. social roles B. implicit expectations C. obedience D. explicit expectations
Endorphins are __________
a) found where neurons meet skeletal muscles. b) less powerful than enkaphalins. c) pain-controlling chemicals. d) radically different in function from neurotransmitters.
According to research (CDC, 2010a; President's Council on Physical Fitness and Sports [PCPFS], 2010b), differences in exercise levels are found when considering ethnicity and income
Which of the following race and ethnic groups are the most physically active? a) African American adults b) Asian American adults c) Hispanic adults d) White adults