All of the following affect pulse oximetry measurements except
A)Dark light
B)Nail polish
C)Fake nails
D)Movement

Question

Quizplus · Accepted Answer

Pulse oximetry measures the saturation of oxygen in the blood by using a light source and a detector. Dark light does not affect this process as it is not interfering with the light source or detector. Nail polish and fake nails can interfere with pulse oximetry readings as they can block the light source from reaching the blood vessels. Movement can also affect pulse oximetry readings as it can cause variations in blood flow and lead to incorrect measurements.

All of the Following Affect Pulse Oximetry Measurements Except