Emergency Care and Transportation of the Sick and Injured ...

Dividing line between the upper airway and the sterile lower airway. b. The thyroid cartilage is the most obvious external landmark of the larynx. ... where it flows into the trachea and esophagus. d. Positive pressure is created in the chest when a bag-mask device is used. ... Z. Snoring indicated partial obstruction of the upper airway by the ... ................
................