This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trachea, Subject name: Anatomy
[{'content': 'Foreign body from trachea most common goes to right bronchus due to - \nSelect and explain. \nA. Right bronchus shallow, B. Wider & in continuous line with trachea, C. Right bronchus is longer, D. Right bronchus is horizontal', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Wider & in continuous line with trachea o Trachea bifurcates at Carina (at Lower border of T4 vertebra at T4-T5 disc space) into right and left principal (primary) bronchi.o Right principal bronchus is wider, shorter (2-5 cm long), and more vertical in the line of trachea (25deg with median plane).o Therefore a foreign body is most likely to lodge in the right bronchus.", 'role': 'assistant'}]