<prompt> Which of the following is a cause of intravascular hemolysis?Warm type autoimmune hemolytic anemiaPNHCold agglutinin diseaseHereditary spherocytosis  <response>: Intravascular destruction of red blood cells: Microangiopathy eg aoic stenosis, prosthetic valve leak Transfusion reactions eg ABO incompatibility Infection eg clostridial sepsis, severe malaria Paroxysmal cold hemoglobinuria March hemoglobinuria Paroxysmal nocturnal hemoglobinuria Following intravenous infusion with hypotonic solutions Snake bites Exposure to compounds with high oxidant potential eg copper in Wilsons disease 