Which of the following is consistent with the notion that antianxiety drugs act through the amygdala to reduce anxiety?
A. Delivery of antianxiety drugs into the amygdala increases anxiety.
B. Few opiate receptors are found in the amygdala.
C. The amygdala contains benzodiazepine receptors.
D. Injection of benzodiazepine drugs into the amygdala reduces anxiety but not fear.
Answer: C
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Which evidence best demonstrates an environmental impact on intelligence?
a. A high correlation between the IQ scores of identical twins b. A low correlation between the IQ scores of strangers c. The rapid increase in average WISC scores seen during the past 25 years d. The stability of WISC scores seen during the past 25 years
In order to meet the criteria for a major depressive episode, a person must have __________.
A. disinterest in pleasurable activities for at least two weeks B. racing thoughts for at least a week C. feelings of grandiosity over a period of three weeks D. ongoing intense irritability or violent outbursts