- 2025
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BLS Practice Test Questions
1.What is the compression-to-ventilation ratio you should use when giving CPR to any individual?
- 30:1
- 30:2
- 15:1
- 15:2
2. When performing two-rescuer CPR, how often should you switch roles?
- After every cycle of CPR
- After every two cycles of CPR
- After every five cycles of CPR
- After every 10 cycles of CPR
3.When operating an AED, what are the correct steps to follow?
- 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, and deliver shock.
- Attach electrode pads, check pulse, shock the individual, and analyze rhythm
- Check pulse, attach electrode pads, analyze rhythm, and shock the patient
4. When looking for a pulse on a child from one year to puberty, where should you check?
- Brachial artery
- Ulnar artery
- Temporal artery
- Carotid or femoral artery
5. What are the BLS (Basic Life Support) steps used for adults?
- Assess the individual, give two rescue breaths, defibrillate, and start CPR
- Assess the individual, activate EMS and get AED, check pulse, and start CPR
- Check pulse, give rescue breaths, assess the individual, and defibrillate
- Assess the individual, start CPR, give two rescue breaths, and defibrillate
6. What are the vital characteristics of first-rate CPR?
- Starting chest compressions within 10 seconds of recognition of cardiac arrest
- Pushing hard and fast
- Minimizing interruptions
- All of the above
7. Which step is not a part of the five steps in the Adult Chain of Survival?
- Early CPR
- Rapid defibrillation
- Advanced airway placement
- Integrated post-cardiac arrest care
8. What is the recommended BLS sequence for the 2020 ILCOR guidelines?
- Chest compressions, Airway, Breathing
- None of the above
- Airway, Breathing, Check pulse
- Airway, Breathing, Chest compression
9. You find a patient in his hospital bed. He is unresponsive and has agonal breathing. What should you do?
- Place the patient in the recovery position
- Give two rescue breaths
- Activate the emergency response system
- Check for a pulse
10. BLS considers an infant to be the following age:
- Under one year
- 2 years
- 3 years
- 4 years
11. How would you use the AED if you had a 49-year-old female who suffers a witnessed cardiac arrest, with a history of cardiac issues, and you notice a healed incision covering a bulge that is under her skin in the upper left side of her chest?
- AED cannot be used on this person.
- You should put a magnet over the bulge before using the AED
- You should place pads over the bulge.
- You should avoid placing pads over the bulge.
12. Before seeking assistance in single-rescuer scenarios, ventilations are delivered to a pediatric arrest person for this reason:
- 911 response times are generally slow.
- The parents are often nearby.
- Most pediatric cardiac arrests are due to respiratory arrest.
- The use of an AED is contraindicated in pediatrics.
13.Check for danger, ____________, and send for help are the first three steps you should take when alone to stabilize a person who appears to be having a cardiac or respiratory arrest.
- Establish IV access
- Insert an advanced airway
- Check for response
- Start CPR
14. What are the correct steps for AED operation?
- Power on the AED, attach electrode pads, shock the person, and analyze the rhythm.
- Power on the AED, attach electrode pads, analyze the rhythm, and shock the person.
- Power on the AED, analyze the rhythm, attach electrode pads, and shock the person.
- Power on the AED, shock the person, attach electrode pads, and analyze the rhythm.
15. (True or False) CPR for newly born infants in the delivery room is the same as for infants up to one year of age.
- True
- False
16. The compression-to-ventilation ratio for 2-rescuer CPR in infants less than one year of age is:
- 15:2
- 30:2
- 10:1
- 10:2
17. For the two-finger chest compression technique, the two fingers should be placed where?
- Over the left chest at the nipple line
- Center of the chest at the nipple line
- Center of the chest just below the nipple line
- Center of the chest just above the nipple line
18. Barrier devices do not need to be used with infants since they are at low risk of carrying disease
- True
- False
19. For both infants and adults performing two-rescuer CPR without an advanced airway, rescuers must pause compressions to provide breaths.
- True
- False
20. When providing mouth-to-mouth breathing, the rescuer's exhaled air contains approximately _________ oxygen.
- 17%
- 20%
- 12%
- 8%
21. Which of these answers appropriately describes how to perform chest compressions on an adult?
- Using one arm, press to 1/3 depth of the chest
- Palms placed midline on the lower 1/3 of the sternum
- Palms placed in the center of sternum above the nipples, using both arms
- Compressions should be slow to allow for full recoil
22. Which of these actions is inappropriate when treating a choking adult?
- Use a blind finger sweep if a patient is choking and no foreign object is seen
- Stand directly behind the adult and place both of your arms around the patient’s waist
- None of the above
- All of the above
23. How long should you check for a carotid pulse on an adult?
- for at least 30 seconds
- for at least a full minute
- 10-15 seconds
- 5-10 seconds
24. You just performed 5 cycles of CPR on an adult. You reassess for a pulse. No pulse is present. What is your next course of action?
- Search for an AED
- Call 911
- Immediately reinitiate CPR
- None of the above
25. Special situations that may arise when using an AED include: (choose all that are correct)
- The victim has a hairy chest
- The victim is immersed in water
- The victim has an implanted pacemaker or defibrillator
- The victim has a transdermal medication patch or other object on the surface of the skin where that AED is placed.