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
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: In sudden vestibular failure, the patient is found to have first degree, second degree and third-degree nystagmus to unaffected side., a so-called paralytic nystagmus (Ref: Diseases of EAR - Harold Rudman, Tony Wright - 6th Edition)