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
Reports routinely listing the identification number of any equipment involved is not a problem. This is a standard practice in incident reporting as it helps in identifying and tracking the equipment involved in the incident.
Choice B rationale
Reports routinely omitting the names of witnesses to the occurrence is a problem that should be reported to the risk manager. Witnesses can provide crucial information about the incident, and their statements can help in understanding the sequence of events and identifying the root cause of the incident.
Choice C rationale
Reports being completed within 24 hours after the incident is not a problem. Timely reporting of incidents is crucial for accurate recall of events and immediate initiation of corrective actions.
Choice D rationale
Reports routinely including the client’s hospital number is not a problem. This is a standard practice in incident reporting as it helps in identifying and tracking the patient involved in the incident.
Correct Answer is ["A","B","D"]
Explanation
Choice A rationale
Implementing ventilator-weaning protocols is a crucial intervention in the care plan for a patient on a ventilator to prevent ventilator-associated pneumonia. These protocols aim to minimize the patient’s exposure to mechanical ventilation, which is a significant risk factor for developing ventilator-associated pneumonia. By systematically reducing the level of ventilatory support, these protocols facilitate the earliest possible liberation from mechanical ventilation, thereby reducing the risk of ventilator-associated pneumonia.
Choice B rationale
Providing frequent oral care is another essential intervention in preventing ventilator- associated pneumonia. Oral health can quickly deteriorate in mechanically ventilated patients, leading to an increased risk of ventilator-associated pneumonia. Regular oral care, including the use of antiseptics, can help reduce the number of potential respiratory pathogens in the oral cavity and prevent their aspiration into the lower respiratory tract.
Choice C rationale
Suctioning the patient every hour is not typically recommended as a standard intervention to prevent ventilator-associated pneumonia. Over-suctioning can lead to trauma and inflammation in the airway, potentially increasing the risk of infection. Suctioning should be performed based on the patient’s needs and clinical signs, rather than on a fixed schedule.
Choice D rationale
Positioning the patient in a semi-upright position (30 to 45 degrees), rather than a prone position, is recommended to prevent ventilator-associated pneumonia. This position helps to reduce the risk of aspiration, which is a major risk factor for ventilator-associated pneumonia.
Choice E rationale
Avoiding suctioning the patient is not a recommended strategy for preventing ventilator- associated pneumonia. Suctioning is necessary to clear secretions from the airway, and its omission could potentially increase the risk of infection. However, as mentioned earlier, suctioning should be performed based on the patient’s needs and clinical signs, rather than on a fixed schedule.
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