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: Physiology
[{'content': 'True about semicircular canals is: September 2005 \nSelect and explain. \nA. Submerged in a fluid called endolymph, B. Base of cupula is in close contact with afferent fibres of cochlear division of the eight cranial nerve, C. Arranged at right angles to each other, D. Associated with hearing', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C: Arranged at right angles to each other 3 semicircular canals in each vestibular apparatus known as anterior, posterior and lateral (horizontal) semicircular canals. They are arranged at right angles to each other. They are filled with endolymph Base of cupula is in close contact with afferent fibers of vestibular division of the eight cranial nerve', 'role': 'assistant'}]