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
[{'content': 'Stimulation of horizontal semicircular canal causes nystagmus in which direction? \nSelect and explain. \nA. Veical, B. Horizontal, C. Rotatory, D. Any of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The cupulae of the semicircular canals are stimulated by the movement of endolymphatic fluid and each canal causes the nystagmus in its own plane:-Stimulation of horizontal SCC - Horizontal nystagmusStimulation of superior SCC - rotary nystagmusStimulation of veical SCC - Veical nystagmusRef: PL Dhingra, Diseases of Ear, Nose & Throat, 7th edition, pg no. 19 - 20', 'role': 'assistant'}]