Which statement is the best description of pulse oximetry measurements in children?
A) Pulse oximetry measures the oxygen saturation of arterial hemoglobin
B) Place the probe of the oximeter on the child's chest and secure it with tape
C) If the oximeter probe is to be left in place, the site should be checked every eight hours
D) Pulse oximetry is done to detect respiratory retractions in the child
Ans: A
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