According to health and human services (hhs) physical activity guidelines, exercise sessions of only 10 minutes do not count toward a person’s weekly accumulation of physical activity.

a. true
b. false.

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