Which of the following statements about pulse oximetry is FALSE?
A) Oxygen saturation is the percentage of hemoglobin that is bound with some molecular structure.
B) Pulse oximetry values can be expected to decrease within seconds in cases of developing hypoxia.
C) Pulse oximetry should be used on all patients with respiratory complaints.
D) It may be difficult to obtain a reading in patients experiencing peripheral vasoconstriction.

Question

Quizplus · Accepted Answer

Pulse oximetry values may not decrease immediately in cases of developing hypoxia due to the time it takes for changes in blood oxygen levels to be reflected in peripheral circulation.

Which of the Following Statements About Pulse Oximetry Is FALSE