The physician orders dopamin iv drip at 4 mcg -kg -min for low blood pressure the patient's weight 121 pounds the medication is supplied in 400mg -250 ml of 0.45% ms calculate the flow rate in ml per hour

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