Blood bank technologists are specialized laboratory professionals who work in blood banks and transfusion medicine. They are responsible for collecting, testing, and processing blood donations to ensure safety and compatibility for patients in need of blood transfusions. Their work involves performing various laboratory tests to identify blood types and screen for infectious diseases. In addition to testing, blood bank technologists also manage blood inventory and ensure proper storage conditions for blood products. They collaborate with physicians and other healthcare professionals to provide critical information about blood availability and compatibility, playing a vital role in patient care during surgeries and medical emergencies.