Which color identifies blood collection tubes that contain thrombin and have a splash guard cap?

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Multiple Choice

Which color identifies blood collection tubes that contain thrombin and have a splash guard cap?

Explanation:
Thrombin-based, rapid serum tubes are identified by an orange top. Thrombin acts as a clot activator to speed up clotting, so serum is available faster for STAT testing. Many orange-top tubes also feature a splash guard cap for safety. The other colors correspond to different additives (blue with citrate, green with heparin, red without thrombin), so they don’t indicate thrombin-containing tubes. That’s why orange is the correct choice.

Thrombin-based, rapid serum tubes are identified by an orange top. Thrombin acts as a clot activator to speed up clotting, so serum is available faster for STAT testing. Many orange-top tubes also feature a splash guard cap for safety. The other colors correspond to different additives (blue with citrate, green with heparin, red without thrombin), so they don’t indicate thrombin-containing tubes. That’s why orange is the correct choice.

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