Medicine Which cyclooxygenase plays a role in maintaining GI mucosal integrity? A Cyclooxygenase 1 B Cyclooxygenase 2 C Cyclooxygenase 3 D Cyclooxygenase 4 💡 Explanation Which cyclooxygenase plays a role in maintaining GI mucosal integrity? ✓ Correct Answer: A. Cyclooxygenase 1