The following pathophysiological changes occur in the acute inflammatory early stage of pneumoconiosis: I. edema II. increase in airway secretions III. fibrotic changes IV. granuloma and cavity formation  

A patient presents to the ED, his sputum sample reveals gram negative pneumonia and is green in color and has a “sweet” smell. What is the causative organism?

BONUS: A patient who has no history of smoking or lung disease which complains of increased SOB and sputum production during the last few months. The physician orders a CXR that is suspect for a malignoma. She then orders a CT scan which confirms the presence of a mass which shows hilar and lymphatic involvement. What stage would this patient be diagnosed?

Mrs. Greenjeans has a 3 cm peripheral tumor along the right costal margin and is suspected of having lung CA. Which of the following diagnostic procedures would be most appropriate to determine the specific type of lung CA?

Which of the following patients has the most serious problem with the adequacy of oxygenation? Patient                    FiO2                  PaO2 a                             0.70                     83 b                             0.45                     95  c                             0.90                    112 d                             0.30                     76

Interpret the following ABG: pH 7.52, PaCO2 49 mmHg, PaO2 43 mmHg, HCO3 34 mEq/L

People in Arkansas would test positive for which of the following fungal infections? I. Histoplasmosis II. Mycobacterium III. Legionella IV. Blastomycosis V. Coccidiomycosis

Based on the A-a gradient calculated for the previous patient, what hypoxemic pathophysiology is most likely?

Mr. Cirius is in the ICU on an FiO2 of 100% and has a history of emphysema. An ABG is attained and reveals the following: pH 7.18, PaCO2 59 mmHg, PaO2 of 65 mmHg, HCO3 24 mEq/L. What action would you recommend?

Which of the following interstitial lung diseases (ILDs) is NOT occupationally related, presents with enlarged lymph nodes and is of unknown etiology with the highest incidence occurring in young black women?