When using a pulse oximeter on an adult patient, the EMT knows that the sensor is most often attached to the patient's:

Question

Quizplus · Accepted Answer

The sensor of a pulse oximeter is most often attached to the patient's finger. This allows the device to measure the oxygen saturation of hemoglobin in arterial blood (SpO2) by emitting light through the finger and detecting the amount of light that passes through the blood. The chest, forehead, and ear are not typically used for attachment of a pulse oximeter sensor.

When Using a Pulse Oximeter on an Adult Patient, the EMT