This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti-Cancer, Subject name: Pharmacology
[{'content': 'Most common agent associated with agranulocytosis is: \nSelect and explain. \nA. Steroids, B. Alkylating agents, C. Paracetamol, D. Endotoxemia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. b. Alkylating agentsRef: Harrison 19th e/P 417Most common cause of agranulocytosis is iatrogenic, i.e. drug induced.Most common drugs causing agranulocytosis are anticancer drugs which inhibit cell cycle like alkylating agents and antimetabolites like methotrexate, 5-FU and 6-MP.', 'role': 'assistant'}]