When receiving a call, what is one of the first questions a dispatcher should ask?

The most appropriate first question for a dispatcher to ask when receiving a call is to inquire about the nature of the emergency. This question is essential as it helps the dispatcher quickly assess the situation and prioritize the response based on the urgency and type of emergency being reported. Understanding the specifics of the emergency enables the dispatcher to gather necessary details, assign the appropriate resources, and provide guidance to the caller if needed.

The other options do not serve the immediate purpose of understanding the situation at hand. For instance, asking if the caller is still on the line is not relevant to addressing the emergency. Inquiring about who else is present may be important but is secondary to understanding what the actual emergency is. Lastly, asking about a favorite color is irrelevant and does not contribute to resolving the emergency, illustrating that the focus should always be on obtaining vital information regarding the situation.