Anatomy & Histology · single question
What arteries supply the lower lip?
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Correct answer: A. Inferior alveolar artery + Mental artery
- A. Correct. The lower lip is supplied by the inferior labial artery (branch of facial artery) and the mental artery (terminal branch of the inferior alveolar artery). Both contribute to the labial arcade.
- B. Incorrect. The inferior alveolar artery does not directly supply lip mucosa — its terminal branch (mental artery) does.
- C. Incorrect. The lingual artery supplies the tongue and floor of mouth, not the lower lip.
- D. Incorrect. The superior labial artery supplies the upper lip.
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