A Client Asks the Meaning of a "Code Blue" That

A client asks the meaning of a "Code Blue" that is broadcast through the hospital's communication system. Which response should the nurse make?

A) "It means that someone has fallen."
B) "It means that a client has stopped breathing or the heart stopped beating."
C) "It means that nursing staff are needed to report to the emergency department."
D) "It means that a large number of clients are coming to the emergency department."