AHA BLS CPR

The compression to ventilation ratio for 1-rescuer CPR is..

• 15:2

• 30:2

• 30:1

• 15:1

How often should rescuers switch roles when performing 2-rescuer CPR?

• After every cycle of CPR

• After every 2 cycles of CPR

• After every five cycles of CPR

• After every 10 cycles of CPR

The proper steps for operating an AED are:

• Check pulse, attach electrode pads, analyze rhythm, shock patient

• Attach electrode pads, check pulse, shock individual, and analyze rhythm

• Power on the AED, attach electrode pads, shock the individual, and analyze the rhythm

• Power on the AED, attach electrode pads, analyze the rhythm, clear the individual, deliver shock

The critical characteristics of high-quality CPR include which of the following?

• Starting chest compressions within 10 seconds of recognition of cardiac arrest

• Pushing hard and fast

• Minimizing interruptions

• All of the above

The five steps in the Adult Chain of Survival include all of the following EXCEPT:

• Early CPR

• Rapid defibrillation

• Advanced airway placement

• Integrated post-cardiac arrest care

Which of the following are signs of airway obstruction?

• Poor air exchange

• High-pitched noise while inhaling

• Inability to speak

• All of the above

In an adult with an advanced airway in place during two-rescuer CPR, how often should the breaths be administered?

• Every 2 to 3 seconds (20 to 30 breaths per minute)

• Every 10 to 12 seconds (5 to 6 breaths per minute)

• Every 5 to 6 seconds (8 to 10 breaths per minute)

• Every 4 to 5 seconds (12 to 15 breaths per minute)