Answer:
C
Explanation:
Metatron should begin both chest compressions and respiratory breaths. It is dangerous to attempt to provide CPR if you are not specifically trained to, however the question states that he is certified to provide CPR if needed, so once he has called an ambulance, there is no reason he should not provide CPR to the unconscious child.
Milestone (1971): President Nixon declares war on cancer. President Richard Nixon signing the National Cancer Act on December 23, 1971.
Unproductive cough doesn't bring anything (sputum) up during the coughing process. A productive cough, sputum will be brought up from the lungs.
I think that it's A!
hope i got it right :)