This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Physiology
[{'content': 'Function of preoptic nucleus of hypothalamus \nSelect and explain. \nA. Temperature regulation, B. Thirst, C. Sexual behaviors, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Preoptic nucleus - A pair of hypothalamic nuclei (medial and lateral) in the most anterior sector -- the preoptic region -- of the wall of the third ventricle. Various pas of these nuclei appear to inhibit arousal during sleep, influence temperature regulation, influence the perception of thirst, regulate the release of gonadotropins from the anterior pituitary (adenohypophysis), and influence sexual behaviors.Ref: Ganong&;s review of medical physiology; 24th edition;', 'role': 'assistant'}]