First Aid CPR and AED Usage 2 — Questions and Answers
Question 1: When performing CPR on an adult, how deep should chest compressions be?
- At least 2 inches (5 cm) (Correct answer)
- At least 1 inch (2.5 cm)
- At least 3 inches (7.5 cm)
- At least 0.5 inches (1.3 cm)
Correct answer: At least 2 inches (5 cm)
AHA guidelines specify adult chest compressions should be at least 2 inches (5 cm) deep but no more than 2.4 inches (6 cm).
Question 2: What does the 'AED' in AED stand for?
- Automated External Defibrillator (Correct answer)
- Automatic Emergency Defibrillator
- Advanced External Device
- Automated Electrical Defibrillator
Correct answer: Automated External Defibrillator
AED stands for Automated External Defibrillator, a device that analyzes heart rhythm and delivers a shock if needed.
Question 3: A bystander says they are not trained in CPR. What should you instruct them to do?
- Perform hands-only CPR with chest compressions (Correct answer)
- Wait for EMS and do nothing
- Give rescue breaths only
- Check for a pulse every 2 minutes
Correct answer: Perform hands-only CPR with chest compressions
Hands-only CPR (continuous chest compressions without rescue breaths) is recommended for untrained bystanders and is effective for adult cardiac arrest.
Question 4: After an AED delivers a shock, what should you do immediately?
- Resume CPR starting with chest compressions (Correct answer)
- Check the victim's pulse for 30 seconds
- Wait for the AED to reanalyze before doing anything
- Remove the AED pads and continue CPR
Correct answer: Resume CPR starting with chest compressions
After a shock, immediately resume CPR starting with chest compressions without pausing to check for a pulse.
Question 5: Which scenario calls for using pediatric AED pads or settings?
- A child under 8 years old or under 55 lbs (Correct answer)
- Any child under 16 years old
- A child who cannot speak
- An infant under 6 months old only
Correct answer: A child under 8 years old or under 55 lbs
Pediatric pads or a pediatric mode should be used for children under 8 years or under approximately 55 pounds (25 kg).
Question 6: What is the recommended compression-to-ventilation ratio for single-rescuer adult CPR?
- 30 compressions to 2 breaths (Correct answer)
- 15 compressions to 2 breaths
- 30 compressions to 1 breath
- 20 compressions to 2 breaths
Correct answer: 30 compressions to 2 breaths
The standard ratio for single-rescuer adult CPR is 30 chest compressions followed by 2 rescue breaths.
Question 7: You find an unconscious person. After confirming unresponsiveness and calling 911, what is your next priority?
- Begin chest compressions immediately (Correct answer)
- Perform a full head-to-toe assessment
- Give two rescue breaths first
- Look for an AED before starting CPR
Correct answer: Begin chest compressions immediately
Per current AHA guidelines, chest compressions should begin immediately after calling for help, before rescue breaths.
When performing CPR on an adult, how deep should chest compressions be?