If we were able to eliminate disease and accidents, improve our knowledge of nutrition, and provide only the best medical care for human beings, the life expectancy of our species would be virtually unlimited

Amytal, Nembutal, Seconal, and phenobarbital are types of ______

a. stimulants c. hallucinogens b. opiates d. barbiturates

Gerald is 75 years old and finds that he has some difficulty with speedy decision-making,

but he often surprises his grandchildren by relating a storehouse of facts from long-term memory. This ability to retrieve stored facts illustrates a. crystallized abilities. b. fluid abilities. c. scaffolding. d. intuition.