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
True about cellulitis of lower limb - 
Select and explain. 
A. Infection of skin & subcutaneous tissue, B. Fever & malaise are common, C. Margins are distinct, D. All
A: Infection of skin & subcutaneous tissue
Answer: A: Infection of skin & subcutaneous tissue 
Explanation: Ans. A It specifically affects the dermis and subcutaneous fat. The typical signs and symptoms of cellulitis is an area which is red, hot, and painful.