A 5-year-old child presents with lethargy, increased work of breathing, and pale

color. The primary assessment reveals that the airway is open and the respiratory

rate is 30/min, with crackles heard on auscultation. The cardiac monitor shows

sinus tachycardia at a rate of 165/min. The pulse oximeter displays an oxygen

saturation of 95% and a pulse rate of 93/min. On the basis of this information,

which of the following provides the best interpretation of the oxygen saturation of

95% by pulse oximetry?

A. Reliable; no supplementary oxygen is indicated B. Reliable; supplementary

oxygen should be administered

C. Unreliable; no supplementary oxygen is indicated

D. Unreliable; supplementary oxygen should be administered - ANSWER