This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'Most common antigen involved in erythroblastosis fetalis is \nSelect and explain. \nA. C antigen in Rh group, B. E antigen in Rh group, C. Duffy antigen, D. D antigen in Rh group', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Erythroblastosis fetalis (Hemolytic Disease of the newborn)\nErythroblastosis fetalis is caused by the transplacental passage of maternal antibody active against paternal RBC antigens of the infant and is characterized by an increased rate of RBC destruction\xa0\xa0Although more than 60 different RBC antigens are capable of eliciting an antibody response, the significant disease is associated primarily D antigen of Rh group and with ABO incompatibility.\n\nOther rare antigens involved are - \n\nC or E antigen of Rh group o RBC antigens - Cw, Cx, Cu, K (kell), M, Duffy, S, P, MNS, Xg, Lutheran, Diego and Kidd\nAnti-Lewis antibodies do not cause disease.', 'role': 'assistant'}]