<prompt> Foreign body from trachea most common goes to right bronchus due to ?Right bronchus shallowWider in continuous line with tracheaRight bronchus is longerRight bronchus is horizontal  <response>: Trachea bifurcates at Carina at lower border of T4 veebra at T4-T5 disc space into right and left principal primary bronchi. Right principal bronchus is wider, shoer 2.5 cm long, and more veical in the line of trachea 25deg with median plane. Therefore a foreign body is most likely to lodge in the right bronchus. 