Which of the following lumens will not appear on a cross-sectional view of a triple-lumen pul-monary artery catheter at 20 cm back from the tip?
a. Distal c. Proximal
b. Inflation d. Thermistor
Question 2
Other than air, the gas that is commonly used to inflate the balloon on a pulmonary artery cathe-ter is:
a. helium. c. oxygen.
b. nitrogen. d. carbon dioxide.