MCQ – 89021

Question

A 75-year-old woman complains of recent onset of chest pain, fever, and productive cough with rust-colored sputum. A chest X-ray reveals an infiltrate in the right middle lobe. Sputum cultures are positive for Streptococcus pneumoniae. Phagocytic cells in this patient’s affected lung tissue generate bacteriocidal hypochlorous acid using which of the following enzymes?

A. Catalase

B.

Cyclooxygenase

C.

Myeloperoxidase

D.

NADPH oxidase

Show Answer

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