Answer to Question 1
ANS: 4
Consult a health care provider before beginning an exercise program, particularly in the presence of heart or lung disease and other chronic illnesses. While the remaining options are not incorrect, they do not show the best overall understanding of the effects of exercise on the body systems of an older adult.
Answer to Question 2
ANS: 1
The warm-up period usually lasts about 5 to 10 minutes and may include stretching, calisthenics, and/or the aerobic activity performed at a lower intensity. The warm-up activity prepares the body and decreases the potential for injury. While the remaining options contain appropriate suggestions, they are not as directly related to the most common forms of running inju-riesmuscle strain.