Blood testing process and storage

  Focus in the blood testing process and storage. how a whole unit of blood is divided on each blood component (RBC, PLT, FFP, CRYO) What are the testing perform to the donors and the units donated. For what diseases each unit of blood is tested. what happens to the units that are positive. what technology and methods are used for testing. Storage: what are the anticoagulants used on each blood component, what are the shelf life and temperatures required for each blood component