Evidence suggests that during wakefulness a sleep-promoting chemical is produced and builds up in the blood until the person becomes tired and falls asleep.

a. true
b. false


Answer: b. false

Psychology

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The behavioral model appreciates biological influences upon behavior but

a. shows the influence of the environment upon biology. b. questions its practical importance to clientele. c. highlights its minimal impact within human samples. d. notes that biological descriptions are yet incomplete.

Psychology

Mammals have circadian rhythms ____

a. only for their sleep/activity cycle b. only for frequency of eating and drinking c. for sleep and body temperature only d. for a variety of activities, including sleep

Psychology

The case of David Reimer, who was raised as a girl but later took on a male identity, reminded researchers that a. biology plays a significant role in gender identity

b. biology appears to play little if any role in gender identity. c. biology plays a significant role in the gender identity of males, but not females. d. socialization does not have any effects on gender identity.

Psychology

Which of the following neurotransmitters is NOT mentioned in the text as being implicated in psychopathology?

a) GABA b) Dopamine c) Serotonin d) All of the above are mentioned

Psychology