Question

which of the following is true?
o defibrillation is most successful when performed between 5 and 10 minutes after cardiac arrest begins.
o automated external defibrillators can stun the lungs and restart breathing in a victim.
o cpr can be performed on a conscious victim.
o cpr may prevent biological death if performed immediately after clinical death.

Explanation:

Defibrillation is best within 2 - 3 minutes. AEDs restart heart, not lungs. CPR is for unconscious victims. CPR after clinical death can prevent biological death.

Answer:

CPR may prevent biological death if performed immediately after clinical death.