Anatomy & Histology · single question
During a planned biopsy of the lower lip, which structures are at greatest risk?
Show answer and explanation
Correct answer: A. Inferior labial artery and mental nerve
- A. Correct. The lower lip is supplied by the inferior labial artery, and sensation comes from the mental nerve — both at risk during a lip biopsy.
- B. The lingual artery/nerve are in the floor of mouth/tongue, not the lip.
- C. The facial artery and buccal nerve relate to the cheek region, not the lip vermilion.
- D. The greater palatine artery serves the hard palate.
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