Which of the following is least likely to impair vein patency?
A) Leaving a tourniquet on too long.
B) Multiple draws to the same vein.
C) Improperly redirecting the needle.
D) Probing to locate a missed vein.
Answer: Leaving a tourniquet on too long.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.