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': "All are features of Meniere's disease except: \nSelect and explain. \nA. Hearing loss that fluctuates, B. Giddiness is provoked in certain head positions, C. Sense of pressure or fullness in the ear, D. Roaring tinnitus", 'role': 'user'}, {'content': "Answer: B \nExplanation: Giddiness occurring in certain head positions such as bending forward to pick up an article or reaching for an article in the overhead shelf or turning one's position in the bed is a feature of benign paroxysmal positional vertigo (BPPV). The condition is due to free-floating particles (otoconia) in the endolymph of vestibular labyrinth. Due to change in head position, they settle on the cupula of posterior semicircular canal causing its deflection and giddiness.Meniere's disease is characterised by episodic vertigo, sense of fullness in the ear, fluctuating hearing loss and low-pitched roaring tinnitus.", 'role': 'assistant'}]