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: Orthopaedics
True about TB Knee 
Select and explain. 
A. Synovial fluid shows reduced mucin, B. Internal rotation of Tibia, C. Synovial fluid shows reduced leucocyte count, D. Leads to Bony ankylosis
A: Synovial fluid shows reduced mucin
Answer: A: Synovial fluid shows reduced mucin 
Explanation: None