What is the primary purpose of COX-1?

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Study for the Galen Pharmacology Exam 1 Test. Use flashcards and multiple choice questions with hints and explanations. Achieve exam success!

Multiple Choice

What is the primary purpose of COX-1?

Explanation:
COX-1 is a constitutive enzyme that continuously makes prostaglandins to support normal bodily functions, especially protecting the stomach lining and aiding platelet function. The prostaglandins produced by COX-1 help maintain the protective mucus layer and blood flow in the gastric mucosa, while thromboxane A2 from platelets promotes clotting. Because this activity happens under normal conditions rather than only during inflammation, its primary purpose is to safeguard the stomach and regulate platelets. Fever and inflammatory symptoms are more associated with COX-2, and fatty metabolism or acid-base balance aren’t the main roles of COX-1.

COX-1 is a constitutive enzyme that continuously makes prostaglandins to support normal bodily functions, especially protecting the stomach lining and aiding platelet function. The prostaglandins produced by COX-1 help maintain the protective mucus layer and blood flow in the gastric mucosa, while thromboxane A2 from platelets promotes clotting. Because this activity happens under normal conditions rather than only during inflammation, its primary purpose is to safeguard the stomach and regulate platelets. Fever and inflammatory symptoms are more associated with COX-2, and fatty metabolism or acid-base balance aren’t the main roles of COX-1.

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