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

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)

What 2 factors determine the severity of jetlag and how?

Which of the following rosters would lead to the greatest circadian disruption?Group of answer choices1 day shift, 1 evening shift, 1 night shift, 1 day shift, 1 evening shift, 1 night shift3 evening shifts, 3 night shifts3 evening shifts, 3 day shifts2 day shifts, 2 evening shifts, 2 night shifts