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Which of the following statements regarding cricoid pressure is correct?
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A. False. It is at the level of the C6 vertebra.
B. False. Cricoid pressure should be removed only on instruction of the anaesthetist after the cuff has been inflated and endotracheal tube position confirmed.
C. True. It needs to be released to allow correct placement of a laryngeal mask should ventilation be required in a failed intubation scenario.
D. False. A two-handed technique is used in this situation, with one hand behind the neck to prevent posterior displacement of the spine when cricoid pressure is applied. Manual-in-line stabilization of the neck must be performed simultaneously.
E. False. Cricoid pressure should not be applied if there is a laryngeal fracture or active vomiting.
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