Cand 2. 1. 6. Before endotracheal intubation some facts about trachea a nurse has to understand and all the following are true regarding trachea EXCEPT A. It's about 13 cm long B. It bifurcates into two major bronchi 2. 3. C. It starts at the level of 7th cervical vertebra D. It ends at the level of sternal angle of Louis +1