Migration can affect the frequency of alleles in a population because
A. genetic drift is location-specific.
B. mutations are location-specific.
C. evolution is location-specific.
D. phenotypes that are advantageous in one location may not be advantageous in another.
Answer: D
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The fact that Roger is more impressed by how much his therapist appeared to care, rather than the numerous diplomas and certificates on the therapist's walls, suggests that Roger will likely evaluate the quality of the interview as
a. poor. b. average. c. high. d. indeterminate.
Research on elderly people shows that they often take longer to perform cognitive tasks than do younger adults. This phenomenon is called
a. contextual-cues deficit. b. implicit memory. c. semantic deficits. d. cognitive slowing.
Eliza woke up in the emergency room, much to her surprise. The physician told her she was lucky that she had been found unconscious in her car. It didn't make sense to Eliza; she had shot up her usual dose, the same as yesterday, from the same old supplier, but she had never, ever administered her heroin in her car. Eliza had overdosed because ______.
A. she had panicked and the adrenaline reduced her tolerance B. she had administered the drug in a novel environment C. the heroin was most likely contaminated with another drug D. the heroin was a designer drug to which she had no cross-tolerance
Many drugs provide escape from physical pain, from stress, or from panic and anxiety. This phenomenon has been explored under a number of different names, including all of the following EXCEPT
A. self-medication. B. tension reduction. C. negative affect. D. withdrawal escapism.