The symbol for means is ______.

a. ? or alpha
b. µ or mu
c. ? or ro
d. ? or delta


Ans: B

Psychology

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The main excitatory neurotransmitter in the nervous system that plays a role in memory and learning is

A) glutamate. B) GABA. C) acetylcholine. D) serotonin.

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Which term is conceptually similar to gratitude?

A. appreciation B. honesty C. empathy D. acceptance

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What percentage of people over age 65 live with family members?

A. 23 percent B. 42 percent C. 58 percent D. 66 percent

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Which of the following statements is false, regarding withdrawal from benzodiazepines?

a. Withdrawal from benzodiazepines is less severe than withdrawal from barbiturates. b. Long-term, high-dose use of benzodiazepines leads to withdrawal symptoms similar to those of alcohol when the drug is discontinued. c. When benzodiazepines are taken at prescribed doses for therapeutic purposes, cessation of their use does not produce withdrawal symptoms. d. Benzodiazepine withdrawal symptoms include agitation, depression, abdominal pain, and insomnia. e. Withdrawal from benzodiazepines is accompanied by changes in brainwave activity.

Psychology