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: Medicine
[{'content': 'Patients receiving fluid replacement therapy should be frequently monitored for: \nSelect and explain. \nA. Adequate urinary output, B. Changes in mental status, C. Vital sign stability, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The nurse must monitor for adequate urinary output, changes in mental status, and vital sign stability because these factors are directly influenced by fluid replacement therapy.\n\nOption A: Urinary output should be monitored because an effective fluid replacement therapy is manifested by adequate urine output.\nOption B:\xa0Fluid replacement therapy affects the mental status of the patient directly.\nOption C:\xa0Vital sign stability could be achieved through an effective fluid replacement therapy', 'role': 'assistant'}]