Multiple choice

Trachea bifurcates at the level of

  1. 2nd cervical vertebra

  2. 4th cervical vertebra

  3. 5th cervical vertebra

  4. 7th cervical vertebra

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B Correct answer
Explanation

Trachea bifurcates at the level of 4th cervical vertebra.It divides into the right and left main bronchi and is marked internally by the presence of a carina or keellike ridge between the diverging bronchi.