The answer would be peers
Answer:
The correct answer would be - alternate high quality chest compression by two rescuers.
Explanation:
In the case of the cardiac arrest one should call for the help in order to activate emergency response if the condition is safe, followed by the the chest compression or CPR to the patient immediately. As soon as the rescuers come to the help they should perform a high quality CPR or chest compression in a alternate manner for the patient who is suffering from the cardiac arrest so it can begins to pumping the heart.
Thus, the correct answer is - alternative high quality chest compression by two rescuers.
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I think that oxygen is needed , because it helps elevate the blood level and help oxygen spread to your brain/ heart.