A health class videotape says, "This drug comes from opium and is really scary because after feeling relaxed and happy, you develop a tolerance quickly and need more. Because most people put it in their bodies with needles, there is an increased risk of getting AIDS. The withdrawal effects are awful." What drug is being described?
a. heroin c. LSD
b. marijuana d. crack cocaine
A
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In a study on a prevention program designed to reduce dating abuse, investigators measured several factors known to influence the odds that teens are abused while dating. One of these factors is
a. inflated self-esteem b. a traditional family structure c. interpersonal conflict resolution skills d. early academic success
How might an evolutionary psychologist explain the fact that people tend to enjoy high-fat food?
A) When food was scarce in our ancestral past, people who ate high-fat food tended to obtain the calories that they needed to survive and, ultimately, reproduce. B) High-fat food activates areas in the brain corresponding to reward. C) Over one's lifetime, many interpersonal relationships revolve around eating these "comfort" food items. D) Although eating high-fat food resulted in great mortality rates among our ancestors, the availability of medication today allows people to consume larger amounts of high-fat food.
Younger children cannot understand why the driver of a car cannot see them if they can see the car. This illustrates egocentric thought, a limitation of the __________ stage
a. sensorimotor b. concrete operational c. preoperational d. preformal
Sleep spindles occur during ____ sleep
a. ?REM b. ?non-REM stage I c. ?non-REM stage II d. ?non-REM stage III