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Index
 »Â
Phlebotomists Medical Terms
 »Â
Chapter 1
 »Â
Blood Collection
level: Blood Collection
Questions and Answers List
level questions: Blood Collection
Question
Answer
Prevents clotting by binding calcium in the blood. [Lavender tube] [CBC test]
Edta
Prevents clotting by binding calcium in the blood. Must fill the tube to capacity. Tube must have a 9:1 blood anticoagulant ratio. [Light Blue tube][Coagulation test]
Citrate
Prevents clotting by inhibiting thrombin in the blood. [Green tube][Ammonia test]
Heparin
Prevents clotting by precipitating calcium in the blood. [Gray tube][Glucose test]
Oxalates
prevents blood from clotting
Anticoagulants
chemical that won't allow red blood cells to eat up glucose
Antiglycolytic agent
keeps the blood liquid
Potassium Oxalates