A 67 year old man with a history of cigarette smoking and systemic hypertension collapses suddenly ans is reshed to the emergency room. Laboratory sties and an EKG confirm an acute myocardial infarction. The pateint is stabilized in the intesive care unit. Which of the following enymes regulates the synthesis of prostaglandins by inflammatory cells that paridly accumulate in the affect heart muschle of this patient?

Cycooxygense

Myeloperoxidase

Lipoooxgenase

NADPH oxidase

Catalase