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': 'Which of the following symptoms do you expect to see in a patient diagnosed with acute pyelonephritis \nSelect and explain. \nA. Jaundice and flank pain, B. Costovertebral angle tenderness and chills, C. Burning sensation on urination, D. polyuria and nocturia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Costovertebral angle tenderness, flank pain, and chills are symptoms of acute pyelonephritis.\n\nOption A: Jaundice indicates gallbladder or liver obstruction.\nOption C: A burning sensation on urination is a sign of lower urinary tract infection.', 'role': 'assistant'}]