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: Pathology
[{'content': 'High level of hCG is/are seen in all except : \nSelect and explain. \nA. Down syndrome, B. Neural tube defect, C. Germ cell tumor, D. Gestational trophoblastic disease', 'role': 'user'}, {'content': "Answer: B \nExplanation: Answer- B. Neural tube defect'High level of hCG auld be detected in- multiple pregnancy, hydatiform mole, choriocarcinoma, Down syndrome,Plasma lower levels are found in ectopic pregnancies & in spontaneous aboion.hCG is producedby the syncytiotrophoblast of the placenta.", 'role': 'assistant'}]