A nurse is reviewing the arterial blood gas (ABG) results for a patient diagnosed with progressive Chronic Obstructive Pulmonary Disease (COPD). Which ABG results should the nurse expect for a patient with progressive COPD?
pH 7.55, PaCO2 30 mm Hg, PaO2 80 mm Hg, HCO3 24 mEq/L
pH 7.40, PaCO2 40 mm Hg, PaO2 94 mm Hg, HCO3 22 mEq/L
pH 7.30, PaCO2 60 mm Hg, PaO2 70 mm Hg, HCO3 30 mEq/L
pH 7.38, PaCO2 45 mm Hg, PaO2 88 mm Hg, HCO3 26 mEq/L .
The Correct Answer is C
Choice A rationale
A pH of 7.55, PaCO2 of 30 mm Hg, PaO2 of 80 mm Hg, and HCO3 of 24 mEq/L would indicate respiratory alkalosis, which is not typically associated with progressive COPD67.
Choice B rationale
A pH of 7.40, PaCO2 of 40 mm Hg, PaO2 of 94 mm Hg, and HCO3 of 22 mEq/L represent normal ABG values.
Choice C rationale
A pH of 7.30, PaCO2 of 60 mm Hg, PaO2 of 70 mm Hg, and HCO3 of 30 mEq/L are indicative of respiratory acidosis with metabolic compensation, which is commonly seen in patients with progressive COPD67.
Choice D rationale
A pH of 7.38, PaCO2 of 45 mm Hg, PaO2 of 88 mm Hg, and HCO3 of 26 mEq/L would indicate a slight respiratory acidosis, which is not typically associated with progressive COPD67.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
While immunosuppressive drug therapy can facilitate organ rejection, it is not directly related to the development of chronic rhinosinusitis in patients who have undergone organ transplants.
Choice B rationale
Immunosuppressive drug therapy can indeed contribute to chronic rhinosinusitis. Patients who have undergone organ transplants are often on long-term immunosuppressive therapy to prevent organ rejection. This can make them more susceptible to infections, including chronic rhinosinusitis.
Choice C rationale
Chronic rhinosinusitis does not typically damage the transplanted organ. It primarily affects the sinuses and nasal passages.
Choice D rationale
All of the above is not the correct answer because Choices A and C are not accurate in the context of chronic rhinosinusitis in patients who have undergone organ transplants.
Correct Answer is A
Explanation
Choice A rationale
In a client diagnosed with chronic obstructive pulmonary disease (COPD), an arterial blood gas (ABG) test would typically show an increased level of carbon dioxide (PaCO2)56. This is because COPD affects the ability of the lungs to expel carbon dioxide, leading to its buildup in the blood.
Choice B rationale
An increased pH is not typically seen in COPD. In fact, due to the increased carbon dioxide (which is acidic), the pH may be lower, indicating respiratory acidosis.
Choice C rationale
Decreased alveolar function is a characteristic of COPD, but it is not something that would be directly measured in an ABG test.
Choice D rationale
An increased arterial oxygen (PaO2) is not typically seen in COPD. In fact, due to the impaired gas exchange, PaO2 may be lower.
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