A 64-Year-Old Man Gets Examined Because His Cough and Shortness

A 64-year-old man gets examined because his cough and shortness of breath are getting worse. The patient has a history of type 2 diabetes mellitus and hypertension. He consumes alcohol sporadically and smokes a pack of cigarettes every day. Blood pressure is 140/82 mm Hg, temperature is 38 C (100.4 F) , and pulse is 92 bpm. abnormal breath sounds are revealed by lung auscultation. Below is an x-ray of the chest. Which of the following is the most likely cause of the observed pulmonary findings in this patient?

A) Elevated pulmonary capillary hydrostatic pressure
B) Exaggerated reactivity and inflammation of the airways
C) Excessive fibroblast proliferation and extracellular matrix deposition
D) Leakage of protein-rich fluid in the alveolar airspaces
E) Mucous gland hyperplasia and inflammation in the large airways

Correct Answer:

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