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: Gynaecology & Obstetrics
[{'content': 'In a case of Dysgerminoma of ovary one of the following tumor markers is likely to be raised : \nSelect and explain. \nA. Serum HCG, B. Serum alphafetoprotein, C. Serum lactic dehydrogenase, D. Serum inhibin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is c i.e. Serum lactic dehydrogenase however placental alkaline phosphate and lactate dehydrogenase are commonly produced by dysgerminomas and may be useful in monitoring the disease."', 'role': 'assistant'}]