CME Certified Federal Medical Examiner

Category - Diagnostic Tests and Referrals

Federal regulations require that spirometry must be performed in all drivers who are both smokers and over the age of:
  1. 20
  2. 25
  3. 35
  4. 50
Explanation
Answer: C - 35

There is a high rate of COPD among smokers. However, many people may have a reduction in lung function without symptoms. For this reason, federal regulations require that spirometry be performed on all smokers over the age of 35.
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