What items are required in the emergency equipment list for a school bus?

Answer: B — fire extinguisher, fusees, and a first aid kit.

The correct answer includes a fire extinguisher, fusees, and a first aid kit, which are essential for ensuring the safety of passengers and responding to emergencies. A fire extinguisher is crucial for putting out small fires that may occur in or around the school bus, reducing the risk of more significant damage or injury. Fusees, also known as flares, are important for alerting other drivers to an emergency situation, especially if the bus becomes disabled on the road. Lastly, a first aid kit is vital for providing immediate assistance in case of injuries among passengers, making it an indispensable component of emergency preparedness. Other items mentioned in the incorrect choices do not meet the established requirements for school bus emergency equipment. For instance, while horns can signal attention, they do not specifically address safety or emergency situations like the items listed in the correct answer.