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: ENT
[{'content': 'A crooked nose is due to: \nSelect and explain. \nA. Deted dorsum but tip midline, B. Depressed dorsum, C. Humped dorsum, D. Deted dorsum and tip', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In crooked nose, the dorsum of nose is deted but tip is in midline. In a deted nose, both dorsum and tip are deted. Saddle nose is depressed nasal dorsum which may involve only cailaginous or both bony and cailaginous components. Humped nose, there is a presence of hump on nose.', 'role': 'assistant'}]