Blood from a skin puncture is:
A) mostly interstitial fluid
B) a mix of blood and interstitial fluid
C) mostly venous blood
D) skin oils mixed with venous blood
Question 2
Which of the following sequences is the best method for performing a fingerstick?
A) squeeze the finger, decontaminate, puncture the skin
B) decontaminate, squeeze the finger, puncture the skin, collect the first drop
C) decontaminate, puncture the skin, wipe the first drop, collect the sample
D) apply tourniquet, puncture the skin, wipe the first drop, collect the sample