Which of the following would be indicated for a patient who complains of dyspnea on exertion and chest tightness? a. Diffusing capacity (Dlco) b. Cardiopulmonary exercise test c. Metabolic study d....

Which of the following would be indicated for a patient who complains of dyspnea on exertion and chest tightness?

a. Diffusing capacity (Dlco)

b. Cardiopulmonary exercise test

c. Metabolic study

d. Exhaled nitric oxide (eNO)

Which of the following diseases is characterized by granulomatous changes and fibrosis in the lungs?

a. Asthma

b. Cystic fibrosis

c. Emphysema

d. Sarcoidosis