What information is stored in the Event Queue?

The Event Queue is designed to hold data that is necessary for constructing a message. This information typically includes details such as the identifiers of involved parties, message types, and timestamps, which all contribute to effectively creating and dispatching messages within a system. The context of such data ensures that asynchronous events can be processed in the correct order and with all required information intact.

While other options present plausible items that might be found in various systems, the primary function of the Event Queue centers on message construction parameters rather than specific messages themselves, future instructions, or patient records. This focused role in message composition is why it is recognized as the crucial aspect of the Event Queue's stored information.