Which of the following statements regarding the one-person bag-mask device technique is correct?
A. Bag-mask ventilations should be delivered every 2 seconds when the device is being operated by one person.
B. The C-clamp method of holding the mask to the face is not effective when ventilating a patient with a bag-mask device.
C. Adequate tidal volume is often difficult to achieve when one EMT is operating the bag-mask device.
D. The bag-mask device delivers more tidal volume and a higher oxygen concentration than the mouth-to-mask technique.
Answer: C. Adequate tidal volume is often difficult to achieve when one EMT is operating the bag-mask device.
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