This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
[{'content': 'Which of the following results in thirst \nSelect and explain. \nA. Cardiac failure, B. Decreased plasma levels of angiotensin II, C. Distension of the cardiac atria, D. Distension of the stomach', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Control of ThirstIncrease thirstDecrease thirst| Plasma osmolarity| Plasma osmolarity| Blood volume| Blood volume| Blood pressure| Blood pressure| Angiotensin II| Angiotensin IIDry mouthGastric distentionRef: Guyton; 13th edition; Chapter 29; Urine Concentration and Dilution', 'role': 'assistant'}]