I used to eat a lot and now I don't. I'm doing virtual school right now. before the pandemic I was actually at school and really the only time I ate was sometimes breakfast, lunch, a snack at home, and dinner. Is that why I don't eat as much or is it something else?​

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