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
Fluctuating deafness is seen in: 
Select and explain. 
A. Otosclerosis, B. Meniere's disease, C. Acute otitis media, D. Benign paroxysmal positional vertigo
B: Meniere's disease
Answer: B: Meniere's disease 
Explanation: (b) Meniere's disease(Ref. Cummings, 6th ed., 2331)In otosclerosis there occurs progressive deafness. AOM shows temporary deafness. There is no deafness in BPPV.