A nurse is obtaining an oxygen saturation on a client.
Which of the following actions should the nurse take?
Relocate the sensor every 8 hrs.
Wait 10 sec after placing the probe before obtaining the oxygen saturation reading.
Choose a finger with a capillary refill less than 2 sec.
Place the sensor probe on the same extremity as an electronic blood pressure cuff.
The Correct Answer is C
Choice A rationale:
Relocating the sensor every 8 hours is not necessary when obtaining oxygen saturation readings unless there is a specific clinical reason to do so, such as skin irritation or poor perfusion at the sensor site. Frequent relocation can cause unnecessary disruption for the patient.
Choice B rationale:
Waiting 10 seconds after placing the probe before obtaining the oxygen saturation reading is not required. Modern pulse oximeters provide real-time readings, and there is no need to wait after placing the probe. The reading is usually stable within seconds.
Choice C rationale:
Choosing a finger with a capillary refill time of less than 2 seconds is an essential consideration when obtaining oxygen saturation readings. Capillary refill time is a measure of peripheral perfusion, and choosing a finger with good perfusion ensures accurate oxygen saturation measurements.
Choice D rationale:
Placing the sensor probe on the same extremity as an electronic blood pressure cuff is generally acceptable. However, it is crucial to ensure that the sensor does not interfere with the blood pressure cuff's function and that it is securely attached to the patient's finger for accurate readings.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
Increasing the client's intake of oral fluids may not address the underlying issue of crackles in the bases of the lungs, shortness of breath, and a respiratory rate of 24/min. This client likely has fluid accumulation in the lungs, and simply increasing fluid intake could exacerbate the problem. It's important to assess and manage the client's fluid balance carefully.
Choice B rationale:
Instructing the client to cough every 4 hours may not be sufficient for managing the client's symptoms, especially if there is fluid in the lungs. Coughing alone may not adequately clear the airways. More intensive interventions are needed.
Choice C rationale:
The correct action is to "Maintain the client in high-Fowler's position." High-Fowler's position helps improve lung expansion and oxygenation by allowing the client to sit up at an angle, which reduces pressure on the diaphragm and improves lung mechanics. This position can help alleviate symptoms such as crackles and shortness of breath in clients with heart failure.
Choice D rationale:
Encouraging the client to ambulate to loosen secretions may not be appropriate in this case. Ambulation is generally encouraged for clients with adequate oxygenation and mobility. If the client has severe respiratory distress, it's crucial to address that issue first before considering ambulation.
Correct Answer is B
Explanation
Choice A rationale:
The statement, "You will no longer be infectious once you have completed a course of antibiotics," is incorrect. Genital herpes is a viral infection caused by the herpes simplex virus (HSV) Antibiotics do not treat viral infections, including herpes. Antiviral medications are used for herpes management, but they do not cure the infection. The virus can remain dormant in the body and reactivate.
Choice B rationale:
"You should increase fluid intake to relieve dysuria" is a correct and important piece of advice. Dysuria (painful urination) can be a symptom of genital herpes. Increasing fluid intake helps dilute urine, reducing discomfort during urination.
Choice C rationale:
"You should have the lesions drained as they appear" is incorrect. Lesion drainage is not a standard treatment for genital herpes. Antiviral medications are typically prescribed to manage outbreaks and reduce their duration and severity.
Choice D rationale:
"You should wear nylon underwear until the lesions have healed" is not the recommended guidance. Wearing loose-fitting cotton underwear is generally advised for comfort and to minimize irritation during a herpes outbreak. Nylon underwear may cause friction and discomfort.
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