All of the Following Are True About Capillary Blood Gas

question 101

Multiple Choice

All of the following are true about capillary blood gas sampling except:

• A) capillary sampling can be used in lieu of direct arterial access in some infants and small children.
• B) a capillary sample PO₂ provides a fairly close estimate of actual arterial oxygenation.
• C) clinicians should exercise caution when using capillary samples to guide decisions.
• D) properly obtained capillary blood can provide estimates of arterial pH and PCO₂ levels.

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