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: ENT
[{'content': "In conductive deafness of right ear, Weber's test will show? \nSelect and explain. \nA. Lateralised to right side, B. Lateralised to left side, C. Normal, D. Centralised", 'role': 'user'}, {'content': 'Answer: A \nExplanation: In middle ear pathology usually there is conductive deafness. With a unilateral conductive hearing loss, the tone is perceived in the affected ear. With a unilateral sensorineural hearing loss, the tone is perceived in the unaffected ear.', 'role': 'assistant'}]