To avoid the dilution effects caused by too much sodium heparin during ABG sampling of an adult, what should you do?
1) Ensure a sample volume greater than 2 ml.
2) Use dry heparin instead.
3) Fill the needle dead space only.
4) Use saline if dry heparin is not available.
A)1 and 4 only
B)1 and 3 only
C)2 and 4 only
D)1, 2, and 3 only

Question

Quizplus · Accepted Answer

Using dry heparin reduces the risk of dilution, ensuring a sample volume greater than 2 ml minimizes the relative amount of heparin, and filling only the needle dead space with heparin helps avoid excess heparin in the sample.

To Avoid the Dilution Effects Caused by Too Much Sodium