This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
[{'content': 'Drug not used in multiple sclerosis \nSelect and explain. \nA. Interferon beta 1a, B. Interferon beta1b, C. Glatiramer acetate, D. Mycophenolate', 'role': 'user'}, {'content': 'Answer: D \nExplanation: *beta interferons act as immune modulators ,given as subcutaneous or I.M route ,help to reduce relapse rate *glatiramer acetate is parentrally administered ,act as competitor antigen ,help to reduce relapse rate of MS. Ref Harrison20th edition pg 2234', 'role': 'assistant'}]