You are teaching a group of firefighters who are taking classes to become Emergency Medical Responders. The topic is artificial ventilation with the bag-valve mask (BVM). Which point related to use of the BVM is it important to emphasize?
A) It is better to ventilate too quickly than too slowly
B) Maintaining a good mask-to-face seal is difficult
C) The BVM is useless unless it is hooked to supplemental oxygen
D) The bag must be fully squeezed to give the proper amount of volume with each breath
B) Maintaining a good mask-to-face seal is difficult
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