Which of the following is true of opioid effects in brain?
a. Heroin is an example of an opioid receptor antagonist.
b. Opioids can induce euphoria and reward.
c. Opioids act to increase pain.
d. Naloxone is an example of an opioid receptor agonist.
e. Opioids do not induce dysphoria.
Answer: b. Opioids can induce euphoria and reward.
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Depression is to koro as __________ is to __________.
A. cultural; universal B. universal; cultural C. psychological disorder; diagnosis D. diagnosis; psychological disorder
A sample is representative if
a. only volunteer subjects are used. b. it is as different from the population as possible. c. all subjects are chosen from a single, unusual segment of the population. d. its composition is similar to the composition of the population.
For a related/paired samples t test, the data analyzed will be what scores?
What will be an ideal response?
Fallon is on her way to work when she sees a little boy, who is crying and apparently lost. Seeing the crying boy makes Fallon very uncomfortable and upset. To reduce these negative feelings, Fallon stops to help the boy find his parents. Which theory best explains Fallon's helping behavior?
A. Arousal: cost-reward B. Empathy-altruism C. Evolutionary D. Environmental