A client asks a nurse, “Why do I have to remove my nail polish in order for my pulse oximetry to be monitored?” Which is the best response by the nurse?
“I need to be able to assess the color of your nailbed.”.
“Nail polish can interfere with the transmission of light waves.”.
“The sensor may react with the nail polish causing an allergic reaction.”.
“The chemicals in the nail polish can cause falsely decreased readings of your oxygen level.”.
The Correct Answer is B
Pulse oximetry works by measuring the amount of light that passes through your finger and reaches a sensor on the other side.
The amount of light that is absorbed by your blood depends on how much oxygen it carries. Nail polish can block or reflect some of the light, making it harder for the pulse oximeter to get an accurate reading of your oxygen level.
Choice A is wrong because the color of your nailbed is not relevant for pulse oximetry.
The pulse oximeter does not measure the color of your nailbed, but the amount of light that passes through it.
Choice C is wrong because the sensor does not react with the nail polish causing an allergic reaction.
The sensor is a non-invasive device that does not touch your skin or nail polish directly.
Choice D is wrong because the chemicals in the nail polish do not cause falsely decreased readings of your oxygen level.
The chemicals in the nail polish do not affect the amount of oxygen in your blood, but only the amount of light that reaches the sensor.
Normal ranges for pulse oximetry vary depending on your health condition and altitude, but generally they are between 95% and 100%. If your pulse oximetry reading is lower than 90%, you may have hypoxia, which means your tissues are not getting enough oxygen.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A client with expiratory wheezing after an albuterol treatment.
This indicates that the client has a severe bronchospasm that is not responding to the medication and may lead to respiratory failure.
The client needs immediate intervention to improve airway patency and oxygenation.
Choice A is wrong because a fasting blood sugar of 187 mg/dL is high but not life- threatening. The normal range for fasting blood sugar is less than 99 mg/dL.
The client may have diabetes or prediabetes and needs further evaluation and treatment, but this is not a priority over choice B.
Choice C is wrong because a client who has been called to surgery 2 hours early may need some preparation and education, but this is not an urgent situation.
The client can wait until the nurse has assessed the other clients.
Choice D is wrong because a blood pressure of 178/90 mmHg is elevated but not critical. The normal range for blood pressure is less than 120/80 mmHg.
The client needs a dose of atenolol, which is a beta
Correct Answer is ["A","B","C","E"]
Explanation
The goals of client teaching are to promote health, understand treatment options, prevent disease, and manage illness. These goals are established by the nurse and the client together, based on the client’s learning needs, preferences, and readiness. The nurse should use appropriate teaching strategies to help the client achieve these goals and evaluate the outcomes.
Choice D is wrong because eliminating the need for further care is not a realistic or attainable goal for most clients.
Clients may still need follow-up care, monitoring, or support after discharge. The nurse should not give false expectations or discourage the client from seeking help when needed.
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