This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Surgery
the above instrument is used for ? 
Select and explain. 
A. to measure thickness of skin graft, B. for meshing of skin graft, C. extraction of skin graft, D. all the above
C: extraction of skin graft
Answer: C: extraction of skin graft 
Explanation: image shown is HUMPTYS KNIFE USED for extraction of skin graft ref : bailey and love 27th ed