Question No 27:
Which of the following problems may be identified by using an isothermal lung analog to
perform quality control on a body plethysmograph?
1.Improperly calibrated mouth pressure transducer
2.Obstructed or perforated pneumotachometer
3.Increase in mechanical resistance
4.Malfunctioning box pressure transducer
A. 3 and 4 only
B. 2 and 3 only
C. 1 and 4 only
D. 1 and 2 only
Answer: C
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