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: Pharmacology
Which is chemotheraputic agent that must be included in treatment of ovarian carcinoma - 
Select and explain. 
A. Methotrexate, B. Cyclophosphamide, C. Flourouracil, D. Procarbazine
B: Cyclophosphamide
Answer: B: Cyclophosphamide 
Explanation: Ans. is 'b' i.e., Cyclophosphamide Drugs used for ovarian carcinoma o First line -p Cisplatin, Carboplatin, Paclitaxel, Cyclophosphamide, doxorubicin. o Second line --> Melphalan, chlorambucil, 5-Fu, Methotrexate, Vincristine, Topotecan.