OFA CPR Techniques & Automated External Defibrillation (AED) 3

Question 1

During two-rescuer CPR, the second rescuer arrives and takes over compressions. What should the compressor change be timed with?

Accepted Answer

Every 2 minutes or after 5 cycles of CPR

Answer

Rescuers should switch compressor roles every 2 minutes (5 cycles) to prevent fatigue and maintain high-quality compressions.

Question 2

When placing AED pads on a patient with an implanted pacemaker or defibrillator, the rescuer should:

Accepted Answer

Place pads at least 1 inch away from the implanted device

Answer

AED pads should be placed at least 1 inch (2.5 cm) away from an implanted device to avoid interference and ensure effective shock delivery.

Question 3

A coworker collapses and is unresponsive. You are alone and have called for help. You should begin CPR in which order?

Accepted Answer

Compressions, Airway, Breathing (CAB)

Answer

Current guidelines prioritize Compressions-Airway-Breathing (CAB) to deliver blood flow to vital organs as quickly as possible.

Question 4

Which hand position is correct for adult chest compressions?

Accepted Answer

Heel of both hands on the lower half of the sternum

Answer

Place the heel of one hand on the center of the chest (lower half of the sternum) and the other hand on top, interlacing fingers.

Question 5

When using an AED, the voice prompt says 'No shock advised.' What does this mean?

Accepted Answer

The patient's rhythm is not shockable; resume CPR immediately

Answer

A 'no shock advised' prompt means the AED detected a non-shockable rhythm such as asystole or PEA; CPR should resume immediately.

(OFA) Occupational First Aid Certification Practice Test