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Chest compression rate and depth in adult CPR
Nursing · exam-style practice question with explanation
During adult CPR, what rate and depth of chest compressions are recommended?
- A. 60–80 per minute, 2–3 cm deep
- B. 100–120 per minute, 5–6 cm deep
- C. 140–160 per minute, 8–10 cm deep
- D. 80–100 per minute, 3–4 cm deep
Show the answer and explanation
Answer: B. 100–120 per minute, 5–6 cm deep
Current resuscitation guidelines recommend compressions at 100–120 per minute and 5–6 cm deep, allowing full chest recoil between compressions and keeping interruptions to a minimum. Use a ratio of 30 compressions to 2 breaths.
Key point: Adult CPR: 100–120/min, 5–6 cm, 30:2.
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