The term pharmacodynamics means:

A) A drug's impact on the body.
B) The body's impact upon a drug.
C) The economic context of a drug.
D) The political context of a drug.

A prisoner eligible for parole is required to take a polygraph test. Although the prisoner tells the truth in response to one question, the polygraph operator records the response as a lie. According to recent research, this kind of error is:

A) common; approximately 10 to 25 percent of true statements are interpreted as lies.
B) unusual; less than 10 percent of true statements are interpreted as lies.
C) rare; less than 3 percent of true statements are interpreted as lies.
D) very rare; less than 1 percent of true statements are interpreted as lies.

Some types of depressant drugs are specifically used for

A) creating intense feelings of pleasure.
B) increasing heart rate.
C) increasing mental activity.
D) relieving worry.

During the third trimester, which of the following events is NOT likely to occur?

A) enlargement of the uterus
B) water retention
C) limited physical abilities
D) return of nausea and vomiting

Who is best demonstrating social referencing?

A) A 3-month-old cries when her father puts her down after holding her for a long period.
B) A 6-month-old plays laughs when playing peek-a-boo with her mother.
C) A 15-month-old screams and reaches for her mother after falling down and scraping her elbow.
D) An 18-month-old looks to her father before smiling at an unfamiliar woman who says "hello."

As a child,Wen was not very distressed when her mother left the room and didn't seek her out when she returned.Wen has a(n) _____ attachment style.

A) distressed
B) secure
C) anxious-ambivalent
D) avoidant