Pathology Intrinsic cell wall defect of RBCs is feature of ? A Paroxysmal nocturnal hemoglobinuria B Sickle cell anemia C Herediatary sperocytosis D All of the above 💡 Explanation Intrinsic cell wall defect of RBCs is feature of ? ✓ Correct Answer: A. Paroxysmal nocturnal hemoglobinuria