A charge nurse is providing teaching to a newly licensed nurse on how to clean surfaces contaminated with blood. Which of the following agents should the nurse include in theteaching?

- Choice A: The recommended hepatitis vaccine series is not a series of four. The Advisory Committee on Immunization Practices (ACIP) recommends a three-dose series for hepatitis B vaccination.
- Choice B: Hepatitis B is not typically transmitted by contaminated food. It is primarily spread through direct contact with infectious blood, semen, or other body fluids.
- Choice C: While there is some evidence suggesting a link between chronic hepatitis C infection and an increased risk of renal cell carcinoma, the statement is not universally accepted as fact and more research is needed to establish a definitive connection.
- Choice D: Individuals with a history of hepatitis B or C are generally ineligible to donate blood due to the risk of transmission of these bloodborne viruses.

A. The water seal chamber should contain at least 2 cm of water to maintain the seal and prevent air from entering the pleural space. Only 1 cm of water is inadequate and requires intervention.
B. Tidaling, or fluctuation of water with respirations, is an expected finding and indicates that the system is functioning properly.
C. A suction chamber pressure of -20 cm H₂O is the standard setting for chest tube drainage systems and does not require intervention.
D. A drainage collection chamber that is one-third full is within normal limits and simply indicates the need to continue monitoring output.