Because they have similar chemical structures, morphine and other narcotics are able to lock into receptor sites for ________
a. dopamine
b. serotonin
c. endorphins
d. acetylcholine
Answer: c
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Which of the following best defines conformity?
a) It refers to blindly following a religious belief. b) It refers to yielding to real or imagined social pressure. c) It refers to the fear of unknown things. d) It refers to the state of lacking initiative.
In terms of biosocial development, the beginning of adulthood was previously considered to be
age 18. age 21. age 18 or 21. graduation from high school or first full-time job.
The safety margin for a particular drug is based on the idea that
A. toxic doses will typically be larger than therapeutic doses. B. most drugs cause toxicity problems only when combined with other drugs. C. we need to determine an LD50 using human volunteers. D. we should only prescribe drugs that are not toxic even at high doses.
The __________ is important for regulating rapid eye movement sleep.
a. pineal gland b. thalamus c. pons d. suprachiasmatic nucleus