Obstetrical Emergencies Test No. 1 From Paramedic Emergency Care 3rd Edition Progress Indicator: Question 2 of 15 2.  WHEN A SCHOOL BUS HAS ITS LIGHTS FLASHING AND ITS STOP ARM EXTENDED, YOU MUST: Choices: Stop at least 10 feet away from the bus Pass if children have exited the bus Stop if the bus is on the opposite side of a barrier Drive slowly by the bus