Four of Schaie's five primary abilities increase from age 20 to age 50

While watching a television show, you hear one of the characters, a physician, talking about narcotic analgesics. What is another name for these drugs?

a. opiates b. hypnotics c. cannabinoids d. benzodiazepines

Because of genetic differences, human tongues can have as few as 500 or as many as 10,000 taste buds

Indicate whether this statement is true or false.