Question

true or false in case of respiratory failure , Oxygen must be restored to the brain within four minutes to prevent irreversible

Answer 1

Answer: true

Explanation: Time is very important when an unconscious person is not breathing. Permanent brain damage begins after only 4 minutes without oxygen, and death can occur as soon as 4 to 6 minutes later. Machines called automated external defibrillators (AEDs) can be found in many public places, and are available for home use. Hope this helps