3. Explain how Coombs reagents are produced.
4. Explain the role of Coombs control cells in antiglobulin testing.
5. Explain the mode of action of the Coombs control cells.
8. Explain why a lavender top tube is best for DAT testing.
11. List 6 clinical situation in which the DAT would be positive, and explain why each would cause the positive DAT