You are ventilating a trauma patient with a bag-mask device, but are having difficulty maintaining an effective mask seal. Prior to inserting the King LT airway, you should:
A. protect the patient's spine as you position his head.
B. measure the device from the corner of the mouth to the ear.
C. flex the patient's head to facilitate insertion of the device.
D. logroll the patient and suction his airway for 15 seconds.
Ans: A. protect the patient's spine as you position his head.
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