What measures are taken to ensure the quality of blood products?

The correct choice focuses on the critical aspects of blood safety and quality control. Testing for infectious agents is vital in the blood donation process as it ensures that any harmful pathogens are identified and eliminated before the blood products are distributed for use. This testing typically includes screening for viruses and bacteria that can transmit diseases, such as HIV, hepatitis B, and hepatitis C, making it a foundational part of maintaining the safety of blood supplies.

Proper storage is equally important because blood and its components have specific temperature requirements to ensure their viability and effectiveness. For example, red blood cells must be stored at refrigerated temperatures, while plasma is typically frozen to preserve its quality. Adhering to these guidelines prevents degradation and ensures that the blood products remain safe for patients who depend on them for transfusions or medical treatments.

Together, testing and proper storage constitute a comprehensive approach to ensuring that blood products meet the highest safety standards before administration to patients.