Help me answer this please please please

Which of these gives the best indication that a health service is based on pseudoscience?

Is it ok to have a tooth growing on my crotch and this is school related

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