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
Correct Answer:
Verified
Correct Answer:
Verified
Q58: When evaluating a forced vital capacity maneuver
Q59: Which gas normally used to measure the
Q60: What is the primary problem in obstructive
Q61: What is the most common lung volume
Q62: What is the ability of a measuring
Q64: What do we measure to determine the
Q65: In both the helium dilution test and
Q66: What percent of the total lung capacity
Q67: What is the predicted normal FEV<sub>1</sub> for
Q68: What is the most common measurement of