MLT Immunology Word Scramble
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| Question | Answer |
| What is Prozone? | area of antibody excess |
| what is postzone? | area of antigen excess |
| what is agglutination? | visible aggregates of particulate matter caused by antigen-antibody reactions |
| what is direct agglutination? | antigens occurring naturally on microbes |
| list four uses of the direct Coombs test (DAT) | autoimmune hemolytic anemia, HDN, transfusion reactions, RBC drug sensitization. |
| List two main uses of the indirect Coombs test (IAT) | detects unexpected antibody in the patient's serum and it is used in the antibody screening part of compatibility testing for blood transfusions. |
| Name the instrument used to measure antigen-antibody complexes in a solution. | Nephelometer |
| State the principles of operation of a nephelometer | when light passes through a suspension, light is scattered and detected by a photodlode |
| list 3 types of patient serum specimens that cannot be used for nephelometry testing. | Hemolyzed, lipemic, turbid (bacterially contaminated) |
| list the main technologies used in flow cytometry | optics, fluids, lasers, fluorochrome conjugated monoclonal antibodies and computers. |
| list 5 common kinds of patient specimens analyzed by flow cytometry | lymph nodes, peripheral blood, bone marrow, tumor, other tissues. |
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