Medicine A stem cell disorder affecting all the three cell lines platelets, RBCs and leucocytes is : A Hemolytic anaemia B Paroxysmal cold haemoglobinuria C Paroxysmal nocturnal haemoglobinuna D Blackfan Diamond syndrome π‘ Explanation A stem cell disorder affecting all the three cell lines platelets, RBCs and leucocytes is : β Correct Answer: C. Paroxysmal nocturnal haemoglobinuna