This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Surfaces and Grooves, Subject name: Anatomy
Trachea bifurcates at the veebral level:- 
Select and explain. 
A. T2, B. T3, C. T4, D. T5
D: T5
Answer: D: T5 
Explanation: T5 veebra level and structures Carina- cailage at the bifurcation of trachea Left principal bronchus Right principal bronchus Ascending aoa (anterior) Descending aoa (posterior) Pulmonary trunk dividing into right and left pulmonary aeries