Why do we feel wakeful and sleepy on a 24-hour schedule?
a. The body responds to changes in the temperature and lighting of the environment.
b. An area in the brain generates this rhythm
c. Muscular activity produces lactate, which leads to sleepiness.
d. A feedback cycle among several endocrine organs generates this rhythm.
b
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Exposure and response prevention is most effective in the treatment of
a. panic attacks. b. social phobias. c. generalized anxiety disorder. d. obsessive-compulsive disorder.
What would be the BEST answer to give to parents of a child recently diagnosed with ADHD in response to their questions about what caused it?
A) "It is probably due to a brain malformation that can be corrected with surgery." B) "Family dysfunction and high levels of family stress cause ADHD." C) "It results from the reactions of others to a child who is just an active child." D) "Our best guess is that ADHD results from an interaction of several factors."