A Blood Collector Is Recollecting a Dermal Puncture Sample Because

Multiple Choice

A blood collector is recollecting a dermal puncture sample because of hemolysis.The patient complains about a stinging sensation from the first puncture.The most probable cause of the hemolysis in the first sample is:

A) not allowing alcohol to dry.
B) excessive massaging.
C) vigorous mixing of the microcollection tube.
D) use of a small lancet.