Narcotics, such as heroin, are drugs that
A. produce hallucinations or changes in the perceptual process.
B. produce a sense of energy and alertness
C. lead to euphoria and relaxed inhibitions.
D. increase relaxation and relieve pain and anxiety.
Answer: D
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Mifepristone (RU-486 or the abortion pill) interrupts early pregnancy by blocking the action of a. progesterone. b. LH
c. FSH. d. estradiol.
Sexual activity in women is most highly correlated with levels of a. estradiol
b. progesterone. c. testosterone. d. prolactin.
Answer the following statement(s) true (T) or false (F)
1. The dopamine hypothesis holds that excessive stimulation of D2 dopamine receptors along the mesocortical pathway results in the negative symptoms of schizophrenia. 2. Almost no children and adolescents treated with atypical antipsychotics experience side effects. 3. Providing low doses of antipsychotic medication to youths at risk for schizophrenia who had not yet shown psychotic symptoms made it significantly less likely for them to develop psychotic symptoms—however, many patients were unable or unwilling to adhere to the prescribed medication for a full 12 months. 4. Prodromal and early psychotic symptoms can be identified in adolescents.
What is the reason given in the text to explain why the incidence of heart attacks is
probably higher today than it was 10,000 years ago? (a) because of our higher fat diets (b) because our bodies are not well adapted to the continual stress common in modern society (c) because we fight so often in modern society, and fighting is stressful (d) because our bodies are not well adapted to occasional stress