Illinois CNA State Practice Exam

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What is the normal respiratory rate for an adult?

  1. 8-15 breaths per minute

  2. 12-20 breaths per minute

  3. 15-25 breaths per minute

  4. 20-30 breaths per minute

The correct answer is: 12-20 breaths per minute

The normal respiratory rate for an adult can vary depending on factors such as age and physical condition, but the most commonly accepted range is 12-20 breaths per minute. Option A (8-15 breaths per minute) and C (15-25 breaths per minute) both fall within this range, but may not be accurate for all individuals. Option D (20-30 breaths per minute) is higher than the normal range and could potentially indicate an issue with breathing. Therefore, option B is the most accurate and appropriate answer.

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