First Aid First Aid CPR and AED Procedures Questions and Answers 2 — Questions and Answers
Question 1: When performing CPR on an adult, what is the correct hand placement for chest compressions?
- On the lower half of the sternum, center of the chest (Correct answer)
- On the upper half of the sternum
- On the left side of the chest over the heart
- On the abdomen just below the ribcage
Correct answer: On the lower half of the sternum, center of the chest
Compressions should be delivered on the lower half of the sternum, centered on the chest, to effectively pump the heart.
Question 2: What does the 'C-A-B' sequence stand for in current CPR guidelines?
- Compressions, Airway, Breathing (Correct answer)
- Check, Assess, Begin
- Call, Airway, Breathe
- Compressions, Assessment, Bleeding
Correct answer: Compressions, Airway, Breathing
The American Heart Association updated CPR sequence to C-A-B (Compressions, Airway, Breathing) to prioritize chest compressions.
Question 3: During two-rescuer CPR for an adult, what is the correct ratio of compressions to breaths?
- 30:2 (Correct answer)
- 15:2
- 15:1
- 30:1
Correct answer: 30:2
Both single and two-rescuer adult CPR use a 30:2 ratio of compressions to ventilations.
Question 4: What should you do if the AED delivers a shock to a cardiac arrest victim?
- Immediately resume CPR starting with chest compressions (Correct answer)
- Check for a pulse for 60 seconds
- Wait 2 minutes before resuming CPR
- Remove the AED pads and call 911
Correct answer: Immediately resume CPR starting with chest compressions
After any AED shock, CPR should be resumed immediately starting with chest compressions without checking for a pulse.
Question 5: What is the correct depth of chest compressions for an adult during CPR?
- At least 2 inches (5 cm), no more than 2.4 inches (6 cm) (Correct answer)
- Exactly 1 inch (2.5 cm)
- At least 3 inches (7.6 cm)
- As deep as possible without limit
Correct answer: At least 2 inches (5 cm), no more than 2.4 inches (6 cm)
The AHA recommends adult chest compressions of at least 2 inches but no more than 2.4 inches to be effective without causing injury.
Question 6: Which of the following is a contraindication for using an AED?
- The victim is lying in a puddle of water (Correct answer)
- The victim is over 65 years old
- The victim has a pacemaker
- The victim is unconscious
Correct answer: The victim is lying in a puddle of water
An AED should not be used if the victim is lying in water; move them to a dry surface first to avoid shock conduction hazards.
When performing CPR on an adult, what is the correct hand placement for chest compressions?