You are preparing to conduct a complex transport of a patient receiving O2, and you expect to have to alter O2 flows during the transport. Which of the following devices would best meet your needs?

a. Uncompensated Thorpe tube
b. Flow restrictor
c. Compensated Thorpe tube
d. Bourdon gauge

ANS: D
The Bourdon gauge is the best choice when a flowmeter cannot be maintained in an upright posi-tion.