Apply pressure on syringe plunger when filling evacuated tubes

Blood collected in a red-stopper tube:

Which of the following tubes contains an anticoagulant that binds calcium?

Needles may be used if seal is broken.

In the sequence of venipuncture events, which comes eigth?

While palpating for a vein, the phlebotomist feels a large rigid cord.  This is probably:

When performing a venipuncture the needle is positioned at a:

The movable part of the syringe is the:

A butterfly is most frequently used to collect blood from the:

In the sequence of venipuncture events, which comes third?