Adolescent experimentation with any drug
A) is linked to depression, anxiety, and impulsive behavior.
B) is a normal part of adolescence and, therefore, is not a cause for concern.
C) is much greater among African-American than among Caucasian-American youths.
D) should not be taken lightly because a single heavy dose can lead to permanent injury or death.
D
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The effects of rubella on babies most clearly illustrate which of the major principles governing teratogenic effects?
A. dose B. genes C. cumulative effects D. timing of exposure
The peripheral nervous system is described as comprising
a. the autonomic nervous system and the central nervous system. b. the somatic nervous system and the autonomic nervous system. c. the parasympathetic and sympathetic nervous systems. d. the parasympathetic and the somatic nervous systems. e. the sympathetic and the somatic nervous systems.
Fonzie's statement, "I am a fairly incompetent motorcycle rider," provides a good example of his
a. self-concept. b. self-esteem. c. self-recognition. d. ideal self.
Oversampling happens when
a. too many of one subpopulation is selected by chance b. a subpopulation is intentionally over represented in a sample c. sampling is conducted in two waves on the same population d. extra individuals are selected in case of incomplete data