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
Hallpike test is done for: 
Select and explain. 
A. Vestibular function, B. Tinnitus, C. Veigo, D. Facial weakness
C: Veigo
Answer: C: Veigo 
Explanation: The Dix-Hallpike test -- or Nylen-Barany test -- is a diagnostic maneuver used to identify benign paroxysmal positional veigo (BPPV).