A nurse is caring for a client who has immunosuppression and a continuous IV infusion. Which of the following actions should the nurse take?

A. Incorrect. The nurse should assess the client's IV site every hour to prevent infection and phlebitis. B. Incorrect. The nurse should check the client's WBC count every day to monitor for signs of infection or bone marrow suppression. C. Correct. The nurse should monitor the client's mouth every 8 hr for signs of oral candidiasis, which is a common fungal infection in immunosuppressed clients. D. Incorrect. The nurse should change the client's IV tubing every 24 hr to reduce the risk of bacterial contamination.