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: Anatomy
[{'content': 'Taste receptors: \nSelect and explain. \nA. Primary taste sensations are spatially separated on the surface of the tongue, B. Are a type of chemoreceptor, C. Are innervated by afferent fibres of V, VII & IX, D. All of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Taste receptors in the gustatory system:\xa0\nThe primary use of gustation as a type of chemoreception is for the detection of taste stimuli. Aqueous chemical compounds come into contact with chemoreceptors in the mouth, such as taste buds on the tongue, and trigger responses.', 'role': 'assistant'}]