Multiple choice

Common carotid artery bifurcates at

  1. upper border of thyroid cartilage

  2. upper border of cricoid cartilage

  3. the hyoid bone

  4. the sternum angle
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Explanation

Following a similar course on both sides, the common carotid artery ascends, diverging laterally from behind the sternoclavicular joint to the level of the upper border of the thyroid cartilage of the larynx (C3-C4 junction), where it divides into external and internal carotid arteries. This bifurcation can sometimes be at a higher level.

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