During an ischemic stroke, neurons die because:
A. excess glutamate causes hyperpolarization.
B. a tumor infiltrates the tissue.
C. excess glutamate causes an excitotoxic lesion.
D. the blood clot infiltrates the tissue.
Answer: C
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Which of Marcia's proposed categories of identity conflicts is described as "young adults who never questioned themselves or their goals but instead proceed along the predetermined course of their childhood commitments"?
a. identity diffusion b. identity foreclosure c. identity moratorium d. identity achievement
Recent research into the biological roots of homosexuality has focused on
a. the organizing effects of prenatal hormones on neurological development. b. the anatomical differences in the brain between homosexual and heterosexual men. c. the genetic differences between homosexual men who are identical twins. d. hormone level differences between gay and straight men.
Adolescents' perceptions of invulnerability may come from
a. the surge in hormones that accompanies the onset of puberty. b. the increased use of alcohol and drugs during adolescence. c. their tendency toward having personal fables. d. a tendency for adolescents to overestimate the risks of certain behaviors.
What would be an example of an implicit memory?
A. juggling three balls while singing a song B. walking C. learning a foreign language D. giving a speech before a large audience