A Client Has Received Intravenous Anesthesia During an Operation

A client has received intravenous anesthesia during an operation.What action by the postanesthesia care nurse is most important?

A) Assist with administering muscle relaxants to the client.
B) Place the client on a cardiac monitor and pulse oximeter.
C) Prepare to administer intravenous antiemetics to the client.
D) Prevent the client from experiencing postoperative shivering.