Which is a disease of the respiratory system often caused by smoking?
a) emphysema
b) atherosclerosis
c) idiopathic edema
d) thalassemia

How much serem is need to make kids?

Which of these pieces of safety equipment should be worn when operating a chainsaw

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