Which of the following is a common explanation for tolerance in heroin addiction?
A. increased brain levels of the drug with repeated use
B. the body's attempt to compensate for the effects of the drug
C. the loss of homeostatic regulation after taking drugs
D. the drug is metabolized less efficiently with repeated use
Answer: B
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What does the typical night of sleep look like for a newborn?
a. Newborns sleep through the night. b. Newborns sleep for 6-8 hours at a time, wake to eat, and got back to sleep. c. Newborns sleep for a few hours, wake, then sleep for a few more hours, and repeat. d. Newborns sleep for brief spurts of time about every 20 minutes or so.
According to the text, when men and women are engaged in multiple roles, such as having a career, raising children, and caring for parents, and these roles frequently involve stress and an overload of multiple responsibilities
They are likely to experience: a. role conflict b. self-absorption c. the empty nest phenomenon d. role strain