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
All of the following are pa of the ASEPSIS wound grading except ? 
Select and explain. 
A. serous discharge, B. purulent exudate, C. Induration, D. Erythema
C: Induration
Answer: C: Induration 
Explanation: REF : BAILEY AND LOVE 27TH ED.