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 directions - \nSelect and explain. \nA. Vertical, B. Horizontal, C. Rotary, D. Any of thethree', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Horizontalo The cupulae of the semicircular canals are stimulated by movement of endolymphatic fluid and each canal causes the nystagmus in its own planeStimulation of horizontal SCC - Horizontal nystagmus.Stimulation of superior SCC - Rotary nystagmus.Stimulation of vertical SCC - Vertical nystagmus", 'role': 'assistant'}]