Which of the following should be monitored during the sampling of arterial blood?
1. Blood pressure proximal to puncture site
2. Presence of pulsatile blood return
3. Presence of air bubbles or clots in sample
4. Appearance of puncture site
a. 1, 2, and 3 only
b. 2, 3, and 4 only
c. 1, 2, 3, and 4
d. 2 and 3 only
ANS: B
To guide practitioners in providing quality care, the American Association for Respiratory Care (AARC) has published Clinical Practice Guideline: Sampling for Arterial Blood Gas Analysis. Modified excerpts from the AARC guideline appear on p. 373.
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