One study defines disease as any condition that requires ongoing medical attention or that interferes with daily life for at least a year. Using that definition, what percentage of adults over the age of 65 have at least one disease?

Genetic and hormonal difference alone explain why females have a higher average life expectancy than males.

a. true b. false

Dr. Mason sometimes seems short with students and appears more task-oriented than relationship oriented. Which of the following choices best describes her communication style?

a. instrumental b. language c. abstract d. person