How should a bus driver handle a medical emergency on board?

Answer: B — Contact emergency services and ensure passenger safety

In the event of a medical emergency on board, the bus driver must prioritize the safety and well-being of all passengers. Contacting emergency services is crucial because they have the necessary training, equipment, and resources to handle medical situations effectively. While ensuring passenger safety is essential, stopping the bus and waiting for help can lead to potential risks, especially if the location is not safe or if the situation worsens before help arrives. Relying solely on passengers to assist may not be appropriate, as they may lack the expertise to deal with medical emergencies, which could lead to a delayed or inadequate response. Therefore, promptly reaching out to emergency services while taking steps to secure the environment around the bus and reassuring passengers is the most responsible course of action in such scenarios.