This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Plastic Surgery and Skin Lesions, Subject name: Surgery
Which of these scoring systems is helpful in assessing severity of wound infection and is used for research and surveillance? 
Select and explain. 
A. Southampton grading scale, B. ASA classification, C. Glasgow score, D. APGAR
A: Southampton grading scale
Answer: A: Southampton grading scale 
Explanation: - Commonly using grading system: Southampton grading scale Asepsis score Southampton Wound Grading System 0: Normal healing Ia: Some bruising Ib: Considerable brusing Ic: Mild erythema I: Normal healing with mild bruising or erythema IIa: At one point IIb: Around sutures IIc: Along wound IId: Around wound II: Erythema plus other signs of inflammation IIIa: At one point only (<2cm) IIIb: Along wound (> 2 cm) IIIc: Large volume IIId: prolonged (>3 days) IV: Pus IVa: At one point only (<2 cm) IVb: Along wound (>2cm)