Which description best captures closed loop communication?

• A. The sender's message is acknowledged and confirmed by the receiver who repeats back the message
• B. Messages are sent only via written notes
• C. The sender sends a message but the receiver does not confirm receipt
• D. Communication occurs only after an event has ended

Answer: (A)

Closed loop communication hinges on feedback that confirms understanding. The essential feature is that the receiver acknowledges the message and repeats back or paraphrases it to verify accuracy, which closes the communication loop. This lets the sender know the message was received correctly and provides an opportunity to correct any misinterpretations right away. For example, if a clinician says a dose and the patient or coworker repeats it back to confirm, the loop is complete and accurate.

The other descriptions miss this feedback step. Limiting communication to written notes describes a medium, not the presence of confirmation. Sending a message with no recipient confirmation leaves understanding unchecked. Communication occurring only after an event ends describes timing, not the essential feedback loop that verifies and clarifies meaning.