This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vesiculobullous (Blistering) Disorders, Subject name: Skin
[{'content': 'Superficial partial thickness burn is caused due to involvement of: \nSelect and explain. \nA. Epidermis, B. Papillary dermis, C. Reticular dermis, D. Dermis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. b. Papillary dermisBurns are classified as first-, second-, or third-degree, depending on how deep and severe they penetrate the skin's surface.First-degree (superficial) burns: First-degree burns affect only the epidermis. The burn site is red, painful, dry, and with no blisters. Mild sunburn is an example. Long-term tissue damage is rare and usually consists of an increase or decrease in the skin color.Second-degree (partial thickness) burns: Second-degree burns involve the epidermis and part of the upper (papillary) dermis layer of skin. The burn site appears red, blistered, and may be swollen and painful.Third-degree (full thickness) burns: Third- degree burns destroy the epidermis and dermis and may go into the subcutaneous tissue. The burn site may appear white or charredFourth degree burns: Fourth degree burns also damage the underlying bones, muscles, and tendons. There is no sensation in the area since the nerve endings are destroyed.SJS usually associated with drug history.", 'role': 'assistant'}]