This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
Which of the following is a delayed absorbable synthetic suture material ? 
Select and explain. 
A. Chromic catgut, B. Vicryl, C. Silk, D. Nylon
B: Vicryl
Answer: B: Vicryl 
Explanation: Silk and nylon are non absorbable suture materials. Chromic catgut is catgut (natural) with chromic acid salt which gets absorbed in 21 days. Vicryl is synthetic, multifilament and braided, absorbable suture material which gets absorbed in 90 days by hydrolysis Reference : page 1172 SRB's manual of surgery 5th edition