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': 'The earliest symptom of glomus tumor is \nSelect and explain. \nA. Pulsatile tinnitus, B. Hearing loss, C. Poly growth, D. Blood stained otorrhoea', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A Pulsatile tinnitus "The two most common presenting symptoms of paraganglioma of temporal bone (Glomus tumor) deg are conductive hearing loss and pulsatile tinnnus" Hearing loss is conductive and slowly progressive. Tinnitus is pulsatile and of swishing character", synchronous with pulse", and can be temporarily stopped by carotid pressure", Thus, both pulsatile tinnitus and deafness are seen in glomus tumor.', 'role': 'assistant'}]