The Proper Mixing of Anticoagulated Specimens Collected by Dermal Puncture

Multiple Choice

The proper mixing of anticoagulated specimens collected by dermal puncture is enhanced by:

A) sealing the end of the collection tube with clay or a small plastic plug.
B) centrifugation in specifically designed centrifuges.
C) the use of plain glass microcollection tubes.
D) the use of small plastic beads in the collection tube.