Practice question

What is Obstructive Sleep Apnea Syndrome (OSAS), and why does Directive 2014/85/EU require mandatory medical screening of commercial truck drivers suffering from this condition?

  1. OSAS causes repetitive airway collapse during sleep, resulting in oxygen desaturation and frequent micro-arousals, leading to chronic daytime sleepiness and a massive (up to 7-fold) increase in crash risk; affected drivers must be treated (e.g. CPAP therapy) to maintain fitness to drive
  2. OSAS is a mild throat irritation that improves by drinking caffeinated beverages
  3. OSAS is a temporary hearing loss caused by cabin road noise
  4. OSAS causes drivers to sleepwalk while operating the vehicle

Answer: A — OSAS causes repetitive airway collapse during sleep, resulting in oxygen desaturation and frequent micro-arousals, leading to chronic daytime sleepiness and a massive (up to 7-fold) increase in crash risk; affected drivers must be treated (e.g. CPAP therapy) to maintain fitness to drive

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