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CPR Online Course Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
What is the first action you should take when you see an unresponsive adult?✔✔Check the scene for safety and then tap the person’s shoulder while shouting, “Are you okay?”
Why is it important to avoid leaning on the chest during compressions?✔✔Leaning prevents the chest from fully recoiling, which reduces blood flow to the heart and brain.
How can you tell if a person’s breathing is abnormal during CPR assessment?✔✔Abnormal breathing includes gasping, irregular breaths, or no breathing at all—treat this as a sign to start CPR.
What is the correct hand placement for adult chest compressions?✔✔Place the heel of one hand in the center of the chest (on the lower half of the sternum) and the other hand on top.
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Why should you minimize interruptions during chest compressions?✔✔Interruptions decrease blood flow, reducing the chances of survival.
What is the purpose of tilting the head back during rescue breaths?✔✔It opens the airway by lifting the tongue away from the throat.
When should you stop performing CPR?✔✔Stop if the person shows signs of life, an AED is ready to analyze, emergency help takes over, or you’re too exhausted to continue.
How deep should chest compressions be for an adult?✔✔At least 2 inches (5 cm) but not more than 2.4 inches (6 cm).
What should you do if you hear a cracking sound during compressions?✔✔Continue CPR—the sound may be from cartilage or ribs, but saving a life is the priority.
Why is an AED used alongside CPR?✔✔An AED can restore a normal heart rhythm by delivering a shock if needed. 2 / 3
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What is the correct compression-to-breath ratio for adult CPR?✔✔30 compressions to 2 breaths.
How do you modify CPR for an infant?✔✔Use two fingers or two thumbs for compressions, pressing about 1.5 inches deep.
What should you do if a person starts vomiting during CPR?✔✔Roll them onto their side to clear the airway, then resume CPR.
Why is it crucial to push hard and fast during compressions?✔✔Adequate depth and speed (100-120 compressions per minute) maintain blood circulation.
Can you perform CPR on a person who is still breathing normally?✔✔No—CPR is only for unresponsive individuals who are not breathing or only gasping.
What is the “Chain of Survival” in CPR?✔✔Early 911 call, early CPR, early defibrillation, and advanced medical care.
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