What is the most popular form of physical activity in America?

According to the text, the percentage of older adults who live in nursing homes is:

a. increasing slightly b. increasing dramatically, and is expected to double by 2030 c. remaining constant d. decreasing

John's grandmother says she has "hardening of the arteries." The more technical term for this condition is:

a. osteoporosis b. atherosclerosis c. hypertension d. apnea