What is the only major factor limiting the use of pressure-compensated Thorpe tube flowmeters?
a. Downstream resistance
b. Effect of position (gravity)
c. DISS connector availability
d. Use with gases other than O2
ANS: B
The only factor limiting the use of a pressure-compensated Thorpe tube is gravity. Because it is accurate only in an upright position, a Thorpe tube is not the ideal choice for patient transport. In these cases, the gravity-independent Bourdon gauge is a satisfactory alternative.
Health Professions
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