Practice question

What is the primary operational cause of 'Circadian Dysrhythmia' (jet lag) among aviation personnel?

  1. Disruption of the body's internal 24-hour biological clock due to rapid trans-meridian travel or night shift work
  2. Lack of physical exercise during duty hours
  3. Dehydration caused by cabin altitude
  4. Low atmospheric pressure at high altitude

Answer: A — Disruption of the body's internal 24-hour biological clock due to rapid trans-meridian travel or night shift work

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: SACAA ATC Licence Practice Questions - SACAA Air Traffic Controller Licence Theoretical Knowledge Examination Exam →