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
Gout is a disorder of: 
Select and explain. 
A. Purine Metabolism, B. Pyrimidine Metabolism, C. Ketone Metabolism, D. Protein metabolism
A: Purine Metabolism
Answer: A: Purine Metabolism 
Explanation: None