Final answer:
The common tests for the purple tube include the Sure-Vue Color Mono Test kit and the Van Den Bergh tests. The Sure-Vue test kit uses horse red blood cells to detect antibodies, while the Van Den Bergh tests assess bilirubin levels in the blood.
Step-by-step explanation:
The common tests for the purple tube include the Fisher HealthCare Sure-Vue Color Mono Test kit and the Direct and Indirect Van Den Bergh tests. The Sure-Vue test kit uses specially treated horse red blood cells and detects heterophile antibodies. The Van Den Bergh tests are used to assess bilirubin levels in the blood and can help diagnose conditions like obstructive jaundice and hemolytic jaundice.