Question
Posterior boundary of carotid triangle is:
| A. |
Superior belly of omohyoid |
| B. |
Posterior belly of omohyoid |
| C. |
Sternohyoid |
| D. |
Sternocleidomastoid |
Show Answer
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Correct Answer � D Explanation |
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Ans.D. Sternocleidomastoid
| Borders | Anterior – superior belly of omohyoid muscle Superior – stylohyoid and posterior belly of digastric muscles Posterior – anterior border of sternocleidomastoid muscle |
| Contents | Arteries: common carotid, external carotid (and branches except maxillary, superficial temporal and posterior auricular), internal carotid artery (and sinus) Veins: internal jugular, common facial, lingual, superior thyroid, middle thyroid veins Nerves: vagus nerve (CN X), hypoglossal nerve (CN XII), part of sympathetic trunk |