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
[{'content': 'Stimulation of horizontal semicircular canal causes nystagmus in which directions ? \nSelect and explain. \nA. Veical, B. Horizontal, C. Rotary, D. Any of the three', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Horizontal The cupulae of the semicircular canals are stimulated by movement of endolymphatic fluid and each canal causes the nystagmus in its own plane :- Stimulation of horizontal SCC - 4 Horizontal nystagmus. Stimulation of superior SCC - 4 Rotary nystagmus. Stimulation of veical SCC - Veical nystagmus", 'role': 'assistant'}]