The nurse is preparing to obtain a blood specimen via capillary heel puncture. Which action would be most appropriate for the nurse to do?
A) Apply a cool compress for several minutes before collection.
B) Elevate the extremity used after puncturing it.
C) Squeeze the area to facilitate specimen collection.
D) Wipe away the first drop of blood with dry gauze.
Ans: D
When obtaining a blood specimen by capillary puncture, the nurse should wipe away the first drop of blood with a cotton ball or dry gauze pad and then collect the sample without squeezing the foot to prevent possible hemolysis. Prior to the puncture, the nurse can apply a commercial heel warmer or warm compress for several minutes to promote vasodilation. The extremity being used should be placed in the dependent position after puncturing the heel.
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