A nurse is caring for a client who has the following arterial blood gas results: HCO3-, 18 mEq, PaCO, 28 mm Hg and pH 7.30. The nurse recognizes the client is experiencing which of the following acid base imbalances?
Respiratory acidosis
Metabolic alkalosis
Respiratory alkalosis
Metabolic acidosis
The Correct Answer is D
A. Respiratory acidosis would typically involve an elevated PaCO2, which is not seen in this case.
B. Metabolic alkalosis is characterized by an elevated bicarbonate level, which is not present in this scenario.
C. Respiratory alkalosis would present with a low PaCO2 and an elevated pH, which is not the case here.
D. The low bicarbonate level (HCO3) 18mEq/L (normal range of 22-26 mEq/L), and low pH 7.30 (normal range of 7.35-7.45), indicate metabolic acidosis. suggesting acidemia. The PaCO2 is also low at 28 mm Hg, indicating a respiratory compensation for the metabolic acidosis.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Consuming excessive animal protein can increase the risk of kidney stones due to the metabolism of protein leading to increased excretion of calcium and oxalate.
B. Restricting calcium intake is not recommended for preventing calcium oxalate kidney stones. Adequate calcium intake from dietary sources can actually help prevent kidney stone formation by binding to oxalate in the intestines and reducing its absorption.
C. High doses of vitamin C can increase oxalate levels in the urine, which can contribute to the formation of calcium oxalate kidney stones.
D. Adequate fluid intake, typically recommended at least 3 liters (about 100 ounces) per day, helps dilute urine and reduce the concentration of stone-forming substances, thereby reducing the risk of kidney stone formation.
Correct Answer is C
Explanation
A. Metabolic acidosis would involve a low pH and low bicarbonate level, which is not evident in the given arterial blood gas results.
B. The low pH (acidosis) and high PaCO2 (respiratory component) indicate respiratory acidosis. The increased HCO3 (normal range of 22-26 mEq/L), suggests a renal compensatory mechanism attempting to normalize the pH.
C. George Kent's arterial blood gas values indicate a lower pH and an elevated PaCO2, which are consistent with respiratory acidosis. The increased HCO3 ((normal range of 22-26 mEq/L), suggests a renal compensatory mechanism attempting to normalize the pH.
D. Metabolic alkalosis is not supported by the given arterial blood gas results.
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