After teaching a group of students about growth hormone agonists and antagonists, the instructor determines that additional teaching is needed when the students identify which agent as a growth hormone antagonist?

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