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
Epley manoeuvre 
Select and explain. 
A. Positional veigo, B. Otosclerosis, C. ASOM, D. CSOM
A: Positional veigo
Answer: A: Positional veigo 
Explanation: This manoeuvre repositions the otoconial debris from the posterior semicircular canal back into utricle. (Ref: Diseases of EAR, NOSE AND THROAT by PL DHINGRA - 6th Edition)