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: Social & Preventive Medicine
A patient prescribed crutches for residual paralysis in poliomyelitis is a type of - 
Select and explain. 
A. Primary prevention, B. Primordial prevention, C. Disability limitation, D. Rehabilitation
D: Rehabilitation
Answer: D: Rehabilitation 
Explanation: Ans. is 'd' i.e., Rehabilitation Provision of aids for crippled is rehabilitation, e.g. prescription of crutches for PRPP. It is a type of teiary prevention.