A nurse is reviewing the arterial blood gas values for a client.
The pH is 7.32, PaCO₂ 48 mm Hg and the HCO₃ is 23 mEq/L. The nurse should recognize that these findings indicate which of the following acid-base balances?
Metabolic acidosis.
Metabolic alkalosis.
Respiratory alkalosis.
Respiratory acidosis.
The Correct Answer is D
Choice A rationale
Metabolic acidosis is characterized by a low pH and decreased HCO₃ levels, not increased PaCO₂.
Choice B rationale
Metabolic alkalosis presents with an elevated pH and increased HCO₃ levels, which do not match the given values.
Choice C rationale
Respiratory alkalosis is indicated by a high pH and decreased PaCO₂, opposite of the provided values.
Choice D rationale
Respiratory acidosis is identified by a low pH, elevated PaCO₂, and normal HCO₃, aligning with the provided values.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
An HbA1c level of 5.7% or below indicates normal glucose tolerance, not impaired glucose tolerance.
Choice B rationale
In type 1 diabetes mellitus, the beta cells are destroyed, and dietary changes alone cannot restore insulin production.
Choice C rationale
Type 1 diabetes mellitus is a chronic condition and is not considered reversible.
Choice D rationale
Type 1 diabetes mellitus is characterized by the autoimmune destruction of beta cells in the pancreas, leading to an absolute lack of insulin production.
Correct Answer is ["A","B","D","E"]
Explanation
Choice A rationale:
Obtaining a wound culture is crucial to identify the causative organism and guide appropriate antibiotic therapy. Prompt identification and treatment of the infection source can prevent further systemic complications.
Choice B rationale:
Rapidly administering 30 mL/kg of normal saline helps to restore intravascular volume, improve hemodynamic stability, and enhance tissue perfusion. This intervention is vital in the initial management of sepsis to prevent organ dysfunction.
Choice D rationale:
Obtaining blood cultures before initiating antibiotic therapy is essential to identify the causative microorganism and tailor antibiotic treatment. This step ensures accurate diagnosis and effective management of sepsis.
Choice E rationale:
Administering broad-spectrum antibiotics as soon as possible is critical in managing sepsis. Early and appropriate antibiotic therapy significantly reduces mortality and morbidity by targeting the suspected pathogens promptly.
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