The report Healthy People 2020: National Health Promotion and Disease Prevention Objectives is a product of a national process that has set healthobjective for the year 2020. The major purpose of the program is to

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