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What is an essential component of the pre-analytical phase of blood gas and analyte measurement?
What is an essential component of the pre-analytical phase of blood gas and analyte measurement?
- Patient's medical history
- Post-analytical interpretation
- Laboratory equipment calibration
- Specimen collection technique (correct)
In the study by Patel et al, what did they evaluate the effect of on arterial samples obtained from an indwelling arterial line?
In the study by Patel et al, what did they evaluate the effect of on arterial samples obtained from an indwelling arterial line?
- Different flush volumes (correct)
- Patient's age
- Ambient temperature
- Specimen transport time
What did the investigators note about potassium and PCO2 in capillary samples with a low-flush volume compared to arterial samples?
What did the investigators note about potassium and PCO2 in capillary samples with a low-flush volume compared to arterial samples?
- Potassium and PCO2 in capillary samples were significantly lower
- Potassium and PCO2 in capillary samples showed no difference
- Potassium and PCO2 in capillary samples were significantly higher (correct)
- Potassium and PCO2 in capillary samples were not measured
What is one of the pre-analytical test variables for blood gas and analyte measurement?
What is one of the pre-analytical test variables for blood gas and analyte measurement?
What did the study by Patel et al involve in terms of sample collection?
What did the study by Patel et al involve in terms of sample collection?
What did the investigators report about the concordance between capillary and arterial pH when the blood sample obtained from the arterial line was preceded by a 1-mL flush volume?
What did the investigators report about the concordance between capillary and arterial pH when the blood sample obtained from the arterial line was preceded by a 1-mL flush volume?
What did the investigators note about the subjects in the study by Patel et al?
What did the investigators note about the subjects in the study by Patel et al?
What did the investigators evaluate in terms of the effect of sample collection and handling?
What did the investigators evaluate in terms of the effect of sample collection and handling?
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