Practice Quiz

CME Certified Federal Medical Examiner

Category - Physical Examination and Evaluation

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Federal regulations require that a driver who is taking antihistamine therapy must abstain from those medications for how long before operating a vehicle?
  1. Two weeks
  2. One day
  3. Twelve hours
  4. Six hours
Explanation
Answer: C - Twelve hours

Drivers who are using antihistamines to alleviate breathing issues must receive education on the sideeffects of those products from the examiner. Drivers must abstain from using antihistamines for twelve hours prior to operating a vehicle. It is the responsibility of those scheduling commercial drivers to relieve them until treatment has been completed.
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