Which of the Following Is Not an Advantage of the Use

Multiple Choice

Which of the following is not an advantage of the use of serum/plasma separator tubes?

A) Tubes can be centrifuged without removal of the stopper.
B) Tubes can be centrifuged using swinging buckets or fixed-angle rotors.
C) Continued red cell metabolism does not alter serum or plasma.
D) Storage with stoppers in place prevents evaporation.