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': 'Static equilibrium is due to \nSelect and explain. \nA. Macula, B. Cupula, C. End organ of coi, D. Cristae ampulla', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Macula is the peripheral receptor of utricle and saccule; Static equilibrium is controlled by utricle and saccule Semicircular canals respond to angular acceleration and deceleration Cristae is located in the ampullary ends of the semicircular canals Ref: PL Dhingra 6th edition of Ear, Nose and Throat; pg no 18', 'role': 'assistant'}]