You obtain an SpO2 reading of 90% using an oximeter with an approximate accuracy of 5%. This could indicate a PO2 as low as what level?
a. 55 mm Hg
b. 60 mm Hg
c. 65 mm Hg
d. 70 mm Hg
ANS: A
However, with the accuracy of some oximeters being only ±4%, an SpO2 reading of 90% could mean an actual SaO2 reading as low as 86%, corresponding to a PO2 level of 55 mm Hg or less!
You might also like to view...
Medical offices do not have to back up data to safeguard the information contained on the office computer system
Indicate whether the statement is true or false
What percentage of the elderly population is affected by a decreased cough reflex?
A. 30% B. 10% C. 70% D. 50%
Title I of the ADA prohibits state and local governments from discriminating against qualified individuals with disabilities in programs, activities, and services
Indicate whether the statement is true or false
Which of the following is not one of the Seven Rights of medication administration?
A) right dose B) right provider C) right documentation D) right route