ASCP MLA Practice Questions - Medical Laboratory Assistant (MLA) Exam

What is the required blood-to-anticoagulant ratio for a sodium citrate (light blue top) tube used for coagulation testing?

1:1 9:1 (nine parts blood to one part citrate) 4:1 1:9 (one part blood to nine parts citrate)

9:1 (nine parts blood to one part citrate)

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