Final answer:
When a medical office offers late night or weekend hours, they are employing a scheduling system called 'rotating shifts.' It helps accommodate patients who may not be able to come in during regular business hours.
Step-by-step explanation:
When a medical office offers late night or weekend hours, they are employing a scheduling system called 'rotating shifts.' This means that the healthcare professionals in the office take turns working these non-standard hours, ensuring that there is always coverage during these times. Rotating shifts help the medical office accommodate patients who may not be able to come in during regular business hours.