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': 'The function of the preoptic nucleus of the hypothalamus \nSelect and explain. \nA. Temperature regulation, B. Thirst, C. GI stimulation, D. Satiety centre', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Functions of Hypothalamus\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Thermoregulation- Preoptic region\n\nAnterior hypothalamus- Heat response\u200b\nPosterior hypothalamus- Cold response\n\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Satiety centre- ventromedial nucleus\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Feeding centre- Lateral nucleus\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Circadian rhythm- Suprachiasmatic nucleus\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Sleep\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Sex drive- \xa0Anterior hypothalamus, Posterior hypothalamus.\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Hypophysis regulation', 'role': 'assistant'}]