1. Bacterial detection is performed on which of the following blood products?

2. You are interviewing a new patient in your practice. This 47-year-old man reports a history of hepatitis B virus (HBV) 3 years prior. He is currently asymptomatic with no signs of liver disease. Which of the following combinations of results are consistent with resolution of his infection?

3. In preparation for an elective knee replacement in an otherwise healthy 57-year-old man, an orthopedic surgeon asks you about the risk of transfusion-transmitted cytomegalovirus (TT-CMV). Which of the following blood product modifications is used to produce “CMV safe blood,” which has reduced risk of TT-CMV?

4. Which of the following pathogens has the highest risk of transfusion transmission?