Which of the following is an indicator of inadequate artificial ventilation when ventilating an apneic, tachycardic adult with a bag-mask device?
A) The patient's heart rate slows down.
B) One breath is given every 10 to 12 seconds.
C) About 12 to 20 breaths/min are being delivered.
D) Each ventilation is delivered over 1 second.
Answer: C) About 12 to 20 breaths/min are being delivered.
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