Which one of the following tips should you give a new EMT about artificially ventilating a patient with the bag-valve mask?
A) "If the patient has dentures, they should be removed so a better mask-to-face seal can be achieved."
B) "It is important to maintain the head-tilt, chin-lift or jaw-thrust maneuver while ventilating the patient."
C) "To direct air into the lungs and away from the stomach, flex the patient's head forward when ventilating with the BVM."
D) "Always remove the oropharyngeal airway. If it is in place when you are ventilating with a BVM, it may be pushed deep into the airway."
B
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The start of babbling is determined mainly by
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