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: Pathology
Infected gangrene of skin and subcutaneous tissues is ? 
Select and explain. 
A. Dry gangrene, B. Wet gangrene, C. Erysipelas, D. None of the above
B: Wet gangrene
Answer: B: Wet gangrene 
Explanation: Answer- B. Wet gangreneWet gangene When overlying skin of dry gangrenous tissue is devitalized, bacterial infection is superimposed.More commonly due to venous occlusion then aerial occlusion.