Answer :
Final answer:
If you cannot achieve effective ventilation, recheck the airway and adjust the head position.
Explanation:
If you cannot achieve effective ventilation (i.e., the chest does not rise), you should recheck the airway and adjust the head position. This step is necessary to ensure that the airway is clear and open so that air can flow into the lungs. If the airway is blocked, it can prevent the chest from rising and effective ventilation from occurring.
Increasing the ventilation rate, continuing with chest compressions, or administering an epinephrine injection will not directly address the issue of ineffective ventilation and may not be necessary if the airway is the primary concern.
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