This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Joint disorders, Subject name: Orthopaedics
Severe disability in primary osteoahritis of hip is best managed by - 
Select and explain. 
A. Ahrodesis, B. Ahroplasty, C. Mc Murray's osteotomy, D. Intra-aicular hydrocoisone and physiotherapy
B: Ahroplasty
Answer: B: Ahroplasty 
Explanation: IN SEVERE DISABILITY AHROPLASTY IS MODE OF MANAGEMENT REF : MAHESWARI 9TH ED