A 62-Year-Old Man Comes to the Office for Evaluation of Progressive

A 62-year-old man comes to the office for evaluation of progressive exertional dyspnea.  His medical history is significant for pneumonia and hypertension.  He has a 45-pack-year smoking history.  On physical examination, breath sounds are decreased bilaterally and wheezes are heard.  A CT scan of the chest is shown below. Which of the following cells are most responsible for the development of this patient's lung condition?

A) Club cells
B) Eosinophils
C) Mast cells
D) Neutrophils
E) Type I pneumocytes
F) Type II pneumocytes

Correct Answer:

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