After taking her english final, natalie attempts to relax in her chair by meditating. she is attempting to reduce her heart and respiration rates, as well as her muscular tension. in this scenario, her physiological relaxation can be best attributed to the functioning of her nervous system.

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