A client's arterial blood gas (ABG) reads: pH 7.18, PaCO2 54 mm Hg, HCO3 26 mEq/L. What condition does the nurse recognize may contribute to the development of this result? Normal values: pH: 7.35-7.45, PaCO2: 35-45 mm Hg, HCO3: 22-26 mEq/L
Prolonged vomiting
COPD
Chronic renal failure
Anxiety and hyperventilation
The Correct Answer is B
Choice A reason: Prolonged vomiting typically leads to metabolic alkalosis due to the loss of gastric acid, which is not consistent with the ABG results showing acidosis.
Choice B reason: COPD can lead to respiratory acidosis, as indicated by the elevated PaCO2 and low pH in the ABG results, making it a likely contributor to these findings.
Choice C reason: Chronic renal failure can lead to metabolic acidosis, but the HCO3 level is within the normal range, which does not support this as the primary condition.
Choice D reason: Anxiety and hyperventilation usually result in respiratory alkalosis due to the excessive exhalation of CO2, which is the opposite of what the ABG results show.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","D"]
Explanation
Choice A reason: Resting tremor is a classic symptom of Parkinson's disease and is one of the primary diagnostic criteria.
Choice B reason : Limited range of motion is not specific to Parkinson's disease and can be caused by various conditions.
Choice C reason : Hypertension is not a diagnostic criterion for Parkinson's disease.
Choice D reason : Difficulty rising to stand is associated with the bradykinesia seen in Parkinson's disease, making it a relevant symptom for diagnosis.
Choice E reason : Diarrhea is not typically associated with Parkinson's disease and is not a diagnostic criterion.
Correct Answer is C
Explanation
Choice A reason: Administering oxygen via mask is appropriate for a client with sepsis who may have compromised oxygenation.
Choice B reason: Obtaining a serum lactate level is important in sepsis as it can indicate the severity of the condition and guide treatment.
Choice C reason: An infusion rate of 0.9% Normal Saline at 50 mL/hr may be questioned because clients with sepsis may require more aggressive fluid resuscitation.
Choice D reason: Obtaining blood and urine cultures is essential before starting antibiotics to identify the causative organism in sepsis.
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