This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Orthopaedics
[{'content': 'Diagnosis of Gout is confirmed by which test? \nSelect and explain. \nA. Serum Uric acid level, B. Synol fluid analysis, C. Urine uric acid levels, D. X- ray changes', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Gout: Characteristic GOUT PSEUDOGOUT Joint Great Toe Knee Crystal Deposited Uric-Acid-negatively birefringent-Needle shaped Calcium pyrophosphate-positively birefringent Rhomboid shaped Association Protein + Alcohol intake Hypothyroidism X-ray Bone and soft tissue erosions Chondrocalcinosis(calcification of the cailage)', 'role': 'assistant'}]