Which of the following practices are NOT recommended for persons with asthma who desire to participate in a strenuous aerobic exercise program?
a. exercise in an environment with warm, moist air
b. self-administer prescribed medication as directed prior to or during the exercise session
c. use a short, intense warm-up
d. use a scarf or surgical mask in front of the mouth if exercising in cold weather
Answer: c. use a short, intense warm-up