#january2020usmle2k
At which of these vertebral levels does the trachea bifurcate?
A- Seventh cervical
B- First thoracic
C- Fourth thoracic
D- Sixth thoracic
At which of these vertebral levels does the trachea bifurcate?
A- Seventh cervical
B- First thoracic
C- Fourth thoracic
D- Sixth thoracic