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: Surgery
Absorbable sutures are - 
Select and explain. 
A. Silk, B. Polypropylene, C. Polyglycolic acid, D. All
C: Polyglycolic acid
Answer: C: Polyglycolic acid 
Explanation: Ans. is C:Polyglycolic Acid. Absorbable sutures are:Plain and Chromic Catgut,Polyglactin,Polyglyconate,Polyglycolic Acid,Polydiaxone,Polyglycaprone. Non-absorbable sutures are:Silk,Linen,Surgical Steel,Linen,Polyester,Polybutester,Polypropylene.