two men are in a bad car accident and one of them is in critical condition. the EMTs arrive and find that he has no heartbeat and begin CPR. they continue to do this for the next 3 minutes with no success. the EMTs will only declare the man dead whena) there is no heartbeat and breathing up to 5 minutesb) there is a cessation of all signs of brain activityc) they try spiking his heartbeat with a cardiac resuscitation device (AED) and faild) he has no heartbeat or breath for over 5 minutes

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