Which color combination identified blood collection tubes that contain heparin?

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Multiple Choice

Which color combination identified blood collection tubes that contain heparin?

Explanation:
Recognizing which color-coded tubes contain heparin helps you collect plasma for chemistry testing. Heparin acts as an anticoagulant, preventing blood from clotting so plasma can be measured directly. The green-top tube is the classic indicator for heparin (often lithium or sodium heparin), and in this context the tan-top tube is also designated as containing heparin. Together, green and tan tubes identify the specimens that will have heparin as the anticoagulant, ensuring you obtain the correct sample type (plasma) for the intended assays.

Recognizing which color-coded tubes contain heparin helps you collect plasma for chemistry testing. Heparin acts as an anticoagulant, preventing blood from clotting so plasma can be measured directly. The green-top tube is the classic indicator for heparin (often lithium or sodium heparin), and in this context the tan-top tube is also designated as containing heparin. Together, green and tan tubes identify the specimens that will have heparin as the anticoagulant, ensuring you obtain the correct sample type (plasma) for the intended assays.

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