-Select the evacuated tube, represented by the stoppers in this image, which can be used as discard tubes before collecting blood for special coagulation studies.

Question

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Image C represents a tube with a light blue stopper, which is typically used for coagulation studies. Using a tube like this as a discard tube ensures that the needle and tubing are clear of tissue fluids or clot activators that might interfere with coagulation testing.

-Select the Evacuated Tube, Represented by the Stoppers in This