Which of the following is acceptable practice regarding collection of blood when using a syringe and winged needle set?
a. Blood can be transferred to evacuated tubes once the phlebotomist returns to the laboratory.
b. Evacuated tubes must be placed in a rack when filling.
c. The first 20 mL collected must be discarded.
d. The evacuated tube stopper is removed, and blood is squirted into the tube using a 24-gauge needle.
ANS: B
Evacuated tubes must be placed in a rack when filling to prevent needle sticks to the phlebotomist. Blood is transferred to the evacuated tubes at the patient's bedside using a 19- gauge needle. The specimen is allowed to flow gently down the side of the tube, not using force, which can cause hemolysis. No blood needs to be discarded when using this technique.
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