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: Medicine
[{'content': 'A case of bells palsy on steroids shows no improvement after 2 weeks; the next step in management should be: \nSelect and explain. \nA. Vasodilators and ACTH, B. Physiotherapy and electrical stimulation, C. Increase steroid dosage, D. Electrophysiological nerve testing', 'role': 'user'}, {'content': 'Answer: B \nExplanation: This appears to be the most reasonable and appropriate action to be taken once the initial steroid therapy is failed. Ref: Diseases of ENT By PL. Dhingra, 4th Edition, Pages 92-95', 'role': 'assistant'}]