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
Destruction of right labyrinth causes nystagmus to- 
Select and explain. 
A. Right side, B. Left side, C. Rotatory nystagmus, D. No nystagmus
B: Left side
Answer: B: Left side 
Explanation: Remember the following FUNDA

In destructive lesions or paretic lesions eg. trauma to labyrinth, the nystagmus is towards the opposite side.
In irritative lesions eg. serous labyrinthitis, fistula of labyrinth, the nystagmus is towards ipsilateral side.