THE HEAD - Box

Structures – apices of thyroid gland, thyroid and cricoid crtlg, larynx, laryngopharynx, carotid a, jugular v, esophagus, Zone 3 – superior to angles of mandible. Structures – salivary gland, facial n, oral and nasal cavities, oropharynx and nasopharynx. Injury to Zones 1 and 3 – obstruct airway and have greatest risk for morbidity and ... ................
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