A nurse is measuring her patient's oxygenation with a pulse oximeter. To maintain accurate monitoring, the nurse should:


•The pulse oximter senses light passed through the tissue of the finger. Movement of the sensor distorts the reading.

•The nurse should avoid taping the pulse oximeter to the patient's finger for safety reasons.

•Using the oximeter on another patient does not ensure accuracy.

•Applying a blood pressure cuff above the oximeter can cause false readings when the cuff inflates.

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