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': 'Thirst is activated bya) Increased Angitension II levelb) Extracellular hyperosmolarityc) Increaed ANP levelsd)  Increased Renin levels \nSelect and explain. \nA. acd, B. bcd, C. abd, D. ab', 'role': 'user'}, {'content': 'Answer: C \nExplanation: When plasma osmolarity increases, the Osmoreceptors are activated which results in increased thirst. Similarly, when hypovolemia occurs, Renin-Angiotensin mechanism gets activated which causes increase in Angiotensin II that stimulates the satiety centre.', 'role': 'assistant'}]