2.Social groups serve all of these advantages EXCEPT: ensure equal distribution of power.
helping to find food, water, and shelter.
child care assistance.
O protection against danger

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