BLS PreTest Questions and Answers 2024: There are a total of 25 questions and answers in the Basic Life Support (BLS) certification exam. Each of the pretest questions answers are multiple-choice question.
BLS PreTest Questions and Answers 2024
| Practice Test Name | BLS Practice Test 2024 |
| Test Prep for | BLS Certificate Exam |
| Type of test | PreTest Quiz 2024 |
| Total Questions in the Test | 25 questions |
| Question Type | Multiple-Choice Question Answers |
| Topic Covered | Random |
| Test Language | English |
Q1. Which of the following is not immediately a life-threatening event?
- Cardiac arrest
- Heart attack
- Respiratory arrest
- Airway obstruction
Q2. Which of the following groups of individuals can administer Basic Life Support?
- Physicians
- Emergency Medical Responders
- Trained observers
- All of the above
Q3. Which of the following organs is irreversibly affected if CPR is delayed beyond three minutes?
- Kidney
- Liver
- Brain
- Lungs
Q4. What is the minimum depth of a chest compression?
- 2 cm
- 4 cm
- 5 cm
- 6 cm
Q5. Why is recoil necessary between each compression?
- To give rest to the rescuer
- To prevent injury to the patient
- To allow the heart to fill with blood
- To allow blood delivery to the brain
Q6. How many chest compressions must be delivered per minute?
- 60
- 80
- 100
- 140
Q7. If a cervical spine injury is suspected, which of the following maneuvers can be used?
- Head tilt
- Chin lift
- Jaw thrust
- Roll over
Q8. Each rescue breath must be delivered over:
- One-second
- Two seconds
- Three seconds
- Four seconds
Q9. If too much air is delivered during rescue breathing, what is the most likely complication?
- Lung collapse
- Gastric inflation
- Pneumothorax
- Brain injury
Q10. After how many minutes of ‘hands-only’ CPR must rescue breathing be started, if only a single rescuer is present?
- 9 minutes
- 11 minutes
- 13 minutes
- 15 minutes
Q11. Which of the following rhythms can be shocked by an automated external defibrillator?
- Ventricular fibrillation
- Atrial fibrillation
- Asystole
- Pulseless electrical activity
Q12. If the patient has an implantable pacemaker, which of the following is the most appropriate action?
- Do not use the AED
- Place the AED pads directly on the pacemaker
- Place the AED pads away from the pacemaker
- Use a magnet to divert energy from the pacemaker
Q13. What is the ideal time window for defibrillation to be provided?
- 5 minutes
- 6 minutes
- 8 minutes
- 10 minutes
Q14. Which CPR technique is the best for infants?
- One handed
- Two handed
- Two finger
- Two thumb encircling hands
Q15. What is the ideal depth of compression for infants?
- 2cm
- 3cm
- 4cm
- 5cm
Q16. What is the position for placement of child AED pads?
- Anterolateral
- Anteroposterior
- Posterolateral
- Mediolateral
Q17. Which of the following is not a sign of poor perfusion?
- Weak pulse
- Cyanosis
- Pale skin
- Warm extremities
Q18. Which of the following protocols uses a compression: ventilation ratio of 15:2?
- Single-rescuer for adults
- Two-rescuer for adults
- Two-rescuer for children
- Single-rescuer for children
Q19. How frequently must the AED rhythm be reassessed?
- One minute
- Two minutes
- Five minutes
- Seven minutes
Q20. Which of the following is an antidote for opioid?
- Pethidine
- Naloxone
- Oxycodone
- Felypressin
Q21. Who should perform hands-only CPR?
- Untrained observers for adults
- Untrained observers for children
- Trained observers for adults
- Trained observers for children
Q22. Which of the following indicates mild choking?
- High pitched noise
- Continuous cough
- Inability to cry
- Cyanosis
Q23. Heimlich maneuver is not suitable for
- Adults
- Pregnant women
- Children
- Infants
Q24. How many back blows must alternate with chest or abdominal thrusts for choking relief?
- Four
- Five
- Three
- Six
Q25. What is the compression-to-ventilation ratio you should use when giving CPR to any individual?*
- 30:1
- 30:2
- 15:1
- 15:2
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