A patient is receiving 0.80 FIO2 with a barometric pressure at 760 mm Hg. PCO2 is at 68; PaO2 is 55. The PAO2 for this patient is _____ mm Hg
a. 395.6 c. 510.9
b. 485.4 d. 550.0
ANS: B
Formula: PAO2 = (PB – PH2O) FIO2 – PaCO2 (1.25).
PAO2 = (760 – 47) 0.80 – 68 (1.25).
PAO2 = 570.4 – 85.
PAO2 = 485.4 mm Hg.
Health Professions
You might also like to view...
Physician Karl Landsteiner contributed to the development of modern medicine by creating the contemporary system of:
A) identifying the genetic code (DNA). B) blood-group classification. C) ultrasound technology. D) surgical-instrument sterilization.
Health Professions
All of the following are part of the ITLS Ongoing Exam, EXCEPT:
a. vital signs b. check interventions c. recheck monitors d. general impression
Health Professions