Stion 11 of 20 : select the best answer for the question. 11. it's good to be in positive energy balance when you're a. a fully grown adult in good health. b. beginning an exercise program. c. recovering from the flu. d. trying to deal with stress.

Which of the following are considered general purposes of performing pulmonary function tests (pfts)? 1. the functional status of the lungs 2. the diffusion characteristics of the alveolar-capillary membrane 3. how much and how fast gas can be moved into and out of the lungs 4. the specific diagnosis of pulmonary disease