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 D

Explanation

A. This response may be perceived as judgmental and could potentially worsen the client's anxiety or stress.
B. While involving the doctor may eventually be necessary, it's important for the nurse to first acknowledge and respect the client's decision.
C. Asking "why" may seem confrontational and might not foster a therapeutic relationship. It's important to respect the client's autonomy and decision-making process.
D. This response acknowledges the client's decision and demonstrates understanding and acceptance, which can help build trust and rapport between the nurse and the client.

A. Squeeze the client's finger until a blood drop forms. B. Apply clean gloves. C. Prick the side of the client's finger. D. Elevate the client's hand above the level of the heart. E. Cleanse the client's finger with an iodine swab.

Correct Answer is ["B","C"]

Explanation

A. Squeezing the client's finger until a blood drop forms can result in hemolysis and inaccurate results; instead, gentle milking or massaging of the finger is recommended.
B. Applying clean gloves is necessary to maintain infection control practices.

C. Pricking the side of the client's finger is the appropriate technique for obtaining a capillary blood specimen.

D. Elevating the client's hand above the level of the heart is not necessary and may impede blood flow.
E. Cleansing the client's finger with an iodine swab helps to disinfect the area prior to obtaining the blood specimen.

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