A nurse is planning to obtain a client's oxygen saturation. Which of the following might influence the result of this test?
The client has a fever.
The client has an elevated hemoglobin level.
The client is wearing a ring.
The client is wearing nail polish.
The Correct Answer is D
Rationale:
A. A fever may influence the result of an oxygen saturation test but is not a direct factor.
B. An elevated hemoglobin level is unlikely to influence the result of an oxygen saturation test.
C. Wearing a ring is unlikely to influence the result of an oxygen saturation test.
D. Wearing nail polish can interfere with the accuracy of pulse oximetry readings by causing an inaccurate reflection of light, leading to a falsely low oxygen saturation reading.

Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A,D,B,C,E
Explanation
A. Unlock and remove the inner cannula is the first step because it allows access to the inner cannula for cleaning.
B. Scrub the inside and outside of the inner cannula with a small brush is the third step because it removes debris and secretions from the inner cannula.
C. Wipe the inside of the inner cannula with a folded pipe cleaner is the fourth step because it further cleans the inner cannula.
D. Pour 2.54 cm (1 in) of 0.9% sodium chloride solution into the sterile basin is the second step because it provides the solution for cleaning the inner cannula.
E. Cleanse the stoma site with 0.9% sodium chloride solution is the final step because it cleans the stoma site before replacing the inner cannula.
Correct Answer is D
Explanation
Rationale:
A. Washing the client's face is part of postmortem care and is appropriate.
B. Gathering the client's personal belongings is part of postmortem care and is appropriate.
C. Closing the client's eyes is part of postmortem care and is appropriate.
D. Removing the client's dentures from their mouth is not part of postmortem care and may be distressing for the family. The nurse should intervene and ensure the dentures are left in place.
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