After filling the first tube of a three-tube collection, blood does not flow into the second tube. The phlebotomist should:
1. move the needle slightly.
2. remove the tube and try the third tube.
3. try a new second tube.
4. immediately discontinue the phlebotomy and stick the other arm.

Question

After filling the first tube of a three-tube collection, blood does not flow into the second tube. The phlebotomist should: 
1. move the needle slightly.
2. remove the tube and try the third tube.
3. try a new second tube.
4. immediately discontinue the phlebotomy and stick the other arm.

Quizplus · Accepted Answer

Moving the needle slightly can help the blood flow into the second tube. Trying a new second tube with a new vacuum can also help. Discontinuing the phlebotomy and sticking the other arm should only be done as a last resort. Option 2 of removing the tube and trying the third one is not recommended as the order of draw for blood collection must be maintained to prevent cross-contamination of additives.

After Filling the First Tube of a Three-Tube Collection, Blood