This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2019, Subject name: Pathology
[{'content': 'Hemolysis is predominantly intravascular in which of the following conditions? \nSelect and explain. \nA. Warm-type autoimmune hemolytic anemia, B. PNH, C. Cold-type autoimmune hemolytic anemia, D. Hereditary spherocytosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: - Intravascular hemolysis (predominant) is seen in: Paroxysmal nocturnal hemoglobinuria (PNH) G6PD deficiency Paroxysmal cold hemoglobinuria (Cold hemolysin disease) - Extravascular hemolysis (predominant) is seen in: Hereditary spherocytosis Warm-type autoimmune hemolytic anemia Cold agglutinin disease (Cold-type AIHA) Sickle cell disease', 'role': 'assistant'}]