All of the Following May Be Effective Strategies to Reduce

All of the following may be effective strategies to reduce the number of contaminated blood cultures except:

A) review staffing levels for adequacy of phlebotomist coverage.
B) require all phlebotomists to attend in-service training for proper collection technique.
C) begin using another type of collection tube media immediately.
D) verify the use of proper technique by phlebotomists by the use of competency testing.