Cuffed ET tubes are generally not used in the field until the child is 8 to 10 years old because:
A) the cuff would apply pressure and obstruct the airway.
B) the high-pressure cuff would likely rupture the trachea.
C) most children are only intubated for short periods of time.
D) a cuff at the cricoid ring is not necessary to obtain a seal.
Answer: D) a cuff at the cricoid ring is not necessary to obtain a seal.
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