This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Surgery
[{'content': 'What are true regarding 2degree deep burn \nSelect and explain. \nA. Blanch on pressure, B. Erythema, C. Dry white colour, D. Painless', 'role': 'user'}, {'content': 'Answer: C \nExplanation: A)First degree burn- erythema/edema B)Second degree burn- blister,soft waxy white,elastic ,pain sensation to needle prick present C)Third degree burn-tough,dry,eschar,thrombosed subcutaneous vein,pain sensation to needle prick absent. Ref:Manipal manual of surgery,4th edition,pg', 'role': 'assistant'}]