A nurse is planning to obtain a client's oxygen saturation. Which of the following might influence the result of this test?

The client is wearing nail polish.

The client has an elevated hemoglobin level.

The client has a fever.

The client is wearing a ring.

Answer and Explanation

The Correct Answer is A

A. Nail polish can interfere with the accuracy of pulse oximetry readings by absorbing or

reflecting light, leading to falsely low oxygen saturation readings. It's essential to remove nail polish or acrylic nails from the finger used for pulse oximetry to obtain accurate results.
B.   While an elevated hemoglobin level may affect the oxygen-carrying capacity of the blood, it does not directly influence the accuracy of pulse oximetry readings.

C.   Fever may affect oxygen saturation levels indirectly by increasing metabolic demand or
respiratory rate, but it does not directly interfere with the accuracy of pulse oximetry readings.
D.   Wearing a ring does not typically interfere with pulse oximetry readings unless the ring is very tight and impairs blood flow to the finger. However, nail polish is a more significant
concern for accurate readings.

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Correct Answer is C

Explanation

A. While obtaining consent from the client is ideal, it may not be appropriate if the client is unable to understand and make an informed decision due to their developmental disability.

B. The provider cannot sign the consent form in place of the legal guardian or the patient, as this would be a conflict of interest.

C. In emergency situations where delaying the procedure could jeopardize the client's life, and the appointed guardian cannot be reached, implied consent is assumed. This means that life-saving treatment can proceed without formal consent.

D. Postponing an emergency procedure that is necessary to save the client's life is not appropriate. In such cases, the surgery should proceed under implied consent.

A. Limit snacks between meals. B. Provide the client with finger foods for meals. C. Restrict visitors during meals. D. Provide the client with three large meals each day.

Correct Answer is B

Explanation

A. Limiting snacks between meals may further decrease the client's overall food intake, which could exacerbate the risk of malnutrition.

B. Providing the client with finger foods makes eating more manageable for individuals with dementia who may have difficulty using utensils or maintaining attention during meals. This approach encourages independent eating and may increase food intake.
C. Restricting visitors during meals may lead to social isolation and could interfere with the client's enjoyment of mealtime, potentially further reducing food intake.
D. Providing the client with three large meals each day may be overwhelming and may not align with the client's preferences or eating habits. Offering smaller, more frequent meals throughout
the day is often more manageable for individuals with dementia.

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A nurse is planning to obtain a client's oxygen saturation. Which of the following might influence the result of this test?

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Naxlex Comprehensive Predictor Exams

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