Which of these flights should produce the worst jetlag? The time zone for each city is shown in brackets,Group of answer choicesSydney (UTC +10) to Tokyo (UTC +9)Sydney (UTC +10) to London (UTC 0)Sydney (UTC +10) to Perth (UTC +8)Sydney (UTC +10) to Dubai (UTC +4)

In which of the following situations will jetlag last the longest?Group of answer choicesTravelling east across 8 time zonesTravelling west across 8 time zonesTravelling east across 10 time zonesTravelling west across 10 time zones

Which of the following is required for jetlag? (There may be more than one correct answer. Please select all correct answers.)Group of answer choicesTravelling on a planeTravelling over time zonesTravelling to another countryTravelling faster than the circadian rhythm can adapt

When does jetlag occur?Group of answer choicesWhen people fly in a straight line from north to southWhen any plane travel is undertakenAfter a flight that crosses time zonesWhen the light-dark cycle on the plane does not match a passenger's circadian rhythm

Where is your ideal holiday destination? What is the time difference between there and Sydney? If you were to fly there from Sydney, what does your circadian rhythm need to do to adapt to the new time zone?After adapting to the new time zone, what does your circadian rhythm need to do when you return back to Sydney?What kinds of strategies would you normally use to overcome jetlag? Is there anything you would do differently after learning about circadian rhythms?

Catherine, Ann, Paul and Alex are 4 friends who have been in Sydney for four weeks' holiday. They are now flying back home to London. Who would you expect to have the least jetlag?Group of answer choicesPaul, who has a free-running circadian rhythm of 23.5 hoursCatherine, who has a free-running circadian rhythm of 24.5 hoursAlex, who has a free-running circadian rhythm of 23.0 hoursAnn, who has a free-running circadian rhythm of 24.0 hours