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