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
Secukinumab is used in : 
Select and explain. 
A. Rheumatoid arthritis, B. Psoriasis, C. Colorectal carcinoma, D. Breast cancer
B: Psoriasis
Answer: B: Psoriasis 
Explanation: Secukinumab is a monoclonal antibody against IL - 17 used in the treatment of Psoriasis.