What should you do if a person is unconscious and not breathing? put pressure on their chest hit them on the back perform the heimlich maneuver begin cpr

The correct answer is D. Maneuver begin CPR

Explanation

The acronym CPR stands for cardiopulmonary resuscitation and refers to a medical technique that serves to stimulate the heartbeat and lung breathing when it stops. In it, you should do chest compressions with a constant frequency of one hundred to one hundred and twenty repetitions per minute. It is an emergency technique that can maintain the flow of oxygenated blood to the brain and other vital organs while having access to a more complete medical treatment that can restore normal heart rhythm. Therefore, the best alternative to help a person who is unconscious and does not breathe is the CPR because it is an emergency technique that is easy to perform and allows the brain and organs to be oxygenated for a while. So, the correct answer is D. Maneuver begin CPR.