Can someone be my friend? ;w; (Yea dumb question im sorry)

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

Esther works at a large hospital where she plans food service programs she monitors an records information regarding patients diets and intake and is devoloping a new meal plan that addresses several different dietary needs for many types of patients esther enjoys her work as she feelss that she is patients develop healthier habits

Which criteria should andreas use when evaluating which monitor to purchase? check all that apply1. cost of monitor2. quality of monitor 3. doctor's recommendation4. whether it meets his requirements5. advertiser's claims