Oral Surgery · single question

Bleeding of the upper lip is most likely from which artery?

  1. The facial artery trunk directly
  2. The superior labial artery (a branch of the facial artery)
  3. The infraorbital artery
  4. The buccal artery
Show answer and explanation

Correct answer: B. The superior labial artery (a branch of the facial artery)

The superior labial artery, a branch of the facial artery, is the primary blood supply to the upper lip (along with anastomoses from the infraorbital and other facial branches).

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