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': 'Which of the following is the effect on the destruction of one semicircular canal? \nSelect and explain. \nA. Increased nausea and vomiting, B. Spinning of around world sensation, C. Increased tendency to fall, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: When one labyrinth becomes permanently damaged, as, from viral labyrinthitis, the loss of input from that side is interpreted in the brain as a constant rotation or tilt. Acutely, the person may have the sensation of spinning, and nystagmus may be present. With time, the brain compensates for this new state by readjusting the null point at which the system is again at equilibrium when at rest. Then the sensation of spinning and the nystagmus ceases.Ref: Hazarika; 3rd ed; Page no: 283', 'role': 'assistant'}]