This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
[{'content': "Meniere's disease is characterised by all except: \nSelect and explain. \nA. Diplopia, B. Tinnitus, C. Vertigo, D. Fullness of pressure in ear", 'role': 'user'}, {'content': 'Answer: A \nExplanation: (a) Diplopia(Ref. Cummings, 6th ed., 2331)The patient is fully conscious and oriented during an attack of Meniere.Meniere being a disturbance of peripheral vestibular system is therefore not characterised by any focal (such as diplopia, dysarthria, paresthesia, etc.) or generalised neurological symptoms like loss of consciousness, seizures, etc.The neurological symptoms accompany a central vestibular disturbance.However, vertigo of Meniere may be associated with vagal symptoms i.e. diaphoresis, pallor, nausea, vomiting, abdominal cramps, diarrhoea and bradycardia.', 'role': 'assistant'}]