The nurse is caring for a patient with respiratory alkalosis. What will the nurse recognize as the potential cause of this acid-base imbalance?
Hypoventilation
Panic attacks
Pneumonia
Congestive heart failure
The Correct Answer is B
Choice A reason: Hypoventilation is not a cause of respiratory alkalosis. Hypoventilation leads to respiratory acidosis due to the retention of carbon dioxide (CO2). Respiratory alkalosis occurs when there is excessive exhalation of CO2, leading to a higher pH (alkaline).
Choice B reason: Panic attacks can cause respiratory alkalosis due to hyperventilation. During a panic attack, a person may breathe rapidly and deeply, leading to excessive loss of CO2. This reduces the CO2 levels in the blood and increases the pH, resulting in respiratory alkalosis.
Choice C reason: Pneumonia is more likely to cause respiratory acidosis or metabolic acidosis rather than respiratory alkalosis. Pneumonia can impair gas exchange, leading to CO2 retention and decreased oxygen levels, which are not typical triggers for respiratory alkalosis.
Choice D reason: Congestive heart failure can lead to respiratory alkalosis, but it is more commonly associated with metabolic acidosis due to poor perfusion and anaerobic metabolism. Hyperventilation in heart failure patients can lead to respiratory alkalosis, but panic attacks are a more direct and common cause.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Holding medication if B-type natriuretic peptide (BNP) results are high is not a standard intervention when administering lisinopril. BNP levels are used to assess the severity of heart failure, but they do not directly influence the administration of lisinopril. Lisinopril is an angiotensin-converting enzyme (ACE) inhibitor that helps manage heart failure by reducing blood pressure and decreasing the workload on the heart.
Choice B reason: Checking serum potassium and creatinine levels is crucial when administering lisinopril. Lisinopril can affect kidney function and electrolyte balance. It may cause hyperkalaemia (elevated potassium levels) and increase serum creatinine levels, indicating impaired kidney function. Regular monitoring of these parameters helps ensure the patient's safety and the effectiveness of the medication.
Choice C reason: Encouraging the patient to add salt substitute with all meals is not recommended for patients taking lisinopril. Many salt substitutes contain potassium chloride, which can further increase the risk of hyperkalaemia in patients on ACE inhibitors like lisinopril. This intervention could lead to dangerous electrolyte imbalances.
Choice D reason: Documenting the extent of vision changes every shift is not related to the administration of lisinopril. Vision changes are not a common side effect of this medication. This intervention may be more relevant for patients on medications known to affect vision, but it is not specific to lisinopril.
Correct Answer is ["A","C","E"]
Explanation
Choice A reason: Ulcers in the descending colon are indicative of Crohn's disease, which affects any part of the gastrointestinal tract.
Choice B reason: Absence of narrowing of the colon and mucosal edema is more indicative of ulcerative colitis rather than Crohn's disease.
Choice C reason: Fistulas and perianal involvement are common complications of Crohn's disease due to the transmural inflammation.
Choice D reason: Mild bleeding and an abdominal mass can be associated with both Crohn's disease and other gastrointestinal disorders, making it less specific.
Choice E reason: Regional, discontinuous skip lesions are a hallmark of Crohn's disease, seen on barium studies, indicating areas of inflammation separated by normal tissue.
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