After surviving an Amtrak derailment, John experienced frequent, vivid thoughts and images of the accident for several months. He also had problems sleeping and was irritable and withdrawn. John is suffering from ________

a. major depression.
b. posttraumatic stress disorder.
c. generalized anxiety disorder.
d. panic disorder.

Answer: b

Psychology

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An ethologist might argue that an infant's attachment or bonding behaviors

A) are determined primarily due unconscious issues. B) have survival value for the individual and species. C) are learned through observation. D) depend upon the cultural and historical context.

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If a woman on the pill experiences persistent nausea and fluid retention, her doctor is likely to

A) sterilize her. B) switch her to a higher dose hormone pill. C) switch her to a lower dose hormone pill. D) have her pledge to completely refrain from sex.

Psychology