<prompt> All of following cause intravascular hemolysis, except-Mismatched blood transfusionParoxysmal cold hemoglobinuriaThermal bumsHereditary spherocytosis  <response>: Ans. is d i.e., Hereditary spherocytosis Hemoglobinopathies including thalassemia cause extravascularhemolysis and not intravascular hemolysis.Causes of intravascular hemolysiso Blood transfusiony ABO mismatched transfusiony Infected bloodo Thermal bumso Snake biteso Sepsisy Bacterialparasitic infections y Clostridial sepsisy Malariay Bartonellosisy Mycoplasma pneumoniao Mechanical heart valveso Paroxysmal hemoglobinuriay PNHy PCHCauses of extravascular hemolysiso Blood and viral infectionsy Malariay Mycoplasma pneumoniaey Infectious mononucleosiso Drua-inducedhemolvsisy G6PDGSH deficiencyy Autoimmune drug reactionsy Strong oxidant drugschemicaio Autoimmune hemolvsisy Warm-reacting IgG AIHAy Cold-reacting IgM AIHAo Hemoslobinopathiesy Thalassemiao Membrane structural defecty Hereditary sperocytosisy Hereditary spherocytosisy Acanthocytosiso Environmental disordersy MalignancyDICy TTPHUSy Eclampsia or Preechlampsia 