A 66-year-old female is in cardiac arrest and requires advanced airway management. Prior to inserting a Combitube, you should take standard precautions and then:
A. apply posterior pressure to the cricoid cartilage.
B. place the patient's head in a slightly extended position.
C. preoxygenate the patient with a bag-mask device and 100% oxygen.
D. advise your partner to stop CPR until the device is ly inserted.
Ans: C. preoxygenate the patient with a bag-mask device and 100% oxygen.
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