Choose the Correct Statement Regarding Proper Specimen Collection for Coagulation

Choose the correct statement regarding proper specimen collection for coagulation testing from the choices listed below:

A) The tube needed for coagulation testing should be the first tube drawn.
B) It is acceptable to fill the sodium citrate tube halfway in a polycythemic patient for coagulation testing.
C) When drawing blood from a catheter, care must be taken to avoid heparin contamination.
D) Butterfly needles should not be used when drawing coagulation tubes.

Correct Answer:

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