MRCP UK EXAMINATIONS

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NEUROLOGY

SURGERY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The nurse is assigned to care for a patient with COPD experiencing hypoxemia and hypercapnia. When planning care for this patient, which outcome of treatment will the nurse evaluate?
A
The patient will demonstrate adequate oxygenation.
B
The patient will avoid the use of supplementary oxygen to decrease hypoxicdrive.
C
Monitor pulse oximetry every 8 hours while awake.
D
Educate the patient about the use of diaphragmatic breathing techniques.
Explanation: 

Detailed explanation-1: -NIV should be used as the treatment of choice for persistent hypercapnic ventilatory failure during exacerbations not responding to medical therapy.

Detailed explanation-2: -In COPD with acute hypercapnic respiratory failure, non-invasive ventilation is highly recommended, particularly in patients with mild to moderate respiratory acidosis.

Detailed explanation-3: -Concentrators. Oxygen concentrators are the most common device used for home oxygen therapy. Devices can provide a wide range of oxygen flows (1–10 L/min) at an oxygen purity of 90 ± 5%.

Detailed explanation-4: -Oxygen can be given to COPD patients, but only in controlled amounts and only if a SaO2 (oxygen saturation) of 88-92% is aimed for, rather than the usual 94-98% SaO2 that is usually desired for most other acutely ill patients who do NOT have COPD or who are not at risk of hypercapnic respiratory failure.

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