Which of the Following Is Necessary to Assure Comprehensive Quality

question 63

Multiple Choice

Which of the following is necessary to assure comprehensive quality for helium dilution and nitrogen washout testing?
1) The accuracy and precision of the volume or flow-measuring device must be assured.
2) The accuracy and linearity of the gas analyzer must be verified.
3) Leak test must be acceptable while monitoring change in volume and gas concentrations over at least a minute.
4) Corrections for hemoglobin (Hb) and COHb must be included.

• A)2, 3, and 4 only
• B)2 and 3 only
• C)1, 3, and 4 only
• D)1, 2, and 3 only

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