This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunomodulator, Subject name: Pharmacology
Following drugs are immunosuppresanis except 
Select and explain. 
A. Cephalosporin, B. Cyclosporine, C. Azathioprine, D. Steroids
A: Cephalosporin
Answer: A: Cephalosporin 
Explanation: Ans. is 'a' i.e., Cephalosporin Immunosuppressantso These are drugs which inhibit cellular or humoral response or botho These are mainly used in organ transplantation and autoimmune disease,o The drugs are1. Specific T cell inhibitor {Calcineurin inhibitors)- Cyclosporine, Tacrolimus2. Proliferation signal inhibitors (mTOR inhibitors)- Sirolimus (rapamycin), Everolimus.3. Cytotoxic drugs (antiproliferative drugs)- Azathioprine, Methotrexate, Cyclophosphamide Chlorambucil, Mycophenolate mofetil4. Glucocorticoids- Prednisolone and others5. Antibodies- Muromonab CD3, Antithymocyte globulin (ATG), Rho (D) immunoglobulin6. Miscellaneous- Lefunamide. Thalidomide