Practice Quiz

NCLEX-RN

Category - Reduction of Risk

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A nurse is comparing the laboratory values of two clients with chronic obstructive pulmonary disease. Client A’s pO2 is 76. Client B’s oxygen saturation via pulse oximeter is 88%. What is the clinical significance of these values?
  1. Both are within normal range
  2. Client B’s oxygen saturation has an alarming value; Client A is normal.
  3. Client A’s pO2 has an alarming value; Client B is normal.
  4. Both values should be reported immediately.
Explanation
Answer: D - Both values should be reported. Based on the results given, the O2sat has an alarming value and should be reported immediately to the physician. The normal range of O2 saturation is between 95-100%. Further evaluation is needed to verify if additional ventilation is needed. The normal pO2 level is from 80 to 100%.
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