The onset of menstruation is ________
Fill in the blank with the appropriate word.
menarche
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A new variant of ________ may be linked to bovine spongiform encephalopathy (BSE), or "mad cow disease."
a. Huntington's disease b. Pick's disease c. Alzheimer's disease d. Creutzfeldt-Jacob disease
Adolescents are especially susceptible to addiction because
a. children and adolescents release more neurotransmitters than adults. b. the corpus callosum in the brains of adolescents are not fully developed. c. the brain systems that restrain risk-taking are not as mature as those that reward pleasure-seeking. d. of the hormones that are released at puberty that interact with the drugs to produce a more intensified and pleasurable effect.
Escape, unbearable psychological pain, frustrated psychological needs, and constriction of options are most characteristic of
a. bipolar disorder. b. postpartum depression. c. generalized anxiety disorder. d. suicidal thoughts and feelings.
You are performing an epigenetic study of the role of increased calorie intake in rats. Which of the following cases is likely to produce the largest epigenetic effects?
A. Increased calories given to mother while offspring are still in the womb B. Increased calories given to rats on a variable schedule C. Increased calories given to sexually mature rats D. Increased calories given to rats on a fixed schedule