At what level does the trachea bifurcates
?
a) Upper border of T4
b) Lower border of T4
c) 27.5 cm from the incisors
d) Lower border of T5
Correct Answer - B
Ans. is ‘b’ i.e., Lower border of T4 [Ref BDC Sth/e Volume 1 p.
267]
Trachea bifurcates at carina, at the level of lower border of T, or T4 -
T5 disc space.