Which statement accurately describes medical marijuana?

A)It does not have long-term health effects.

B)It does not alter the senses.

c)It must be prescribed by a doctor.

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