George Kent is a 54-year-old widower with a history of chronic obstructive pulmonary disease and was rushed to the emergency department with increasing shortness of breath, pyrexia, and a productive cough with yellow-green sputum. He has difficulty communicating because of his inability to complete a sentence. One of his sons, Jacob, says he has been unwell for three days. Upon examination, crackles and wheezes can be heard in the lower lobes; he has tachycardia and a bounding pulse. Measurement of arterial blood gas shows pH 7.3, PaCO2 68 mm Hg, HCO3 28 mmol/L and Pa02 60 mm Hg.
How would you interpret this?
Metabolic Acidosis. Partially Compensated
Respiratory Acidosis, Uncompensated
Respiratory Acidosis, Partially Compensated
Metabolic Alkalosis Uncompensated
The Correct Answer is C
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Insulin administration is not indicated for metabolic alkalosis.
B. Breathing into a paper bag is a treatment for respiratory alkalosis, not metabolic alkalosis.
C. Metabolic alkalosis can lead to cardiac dysrhythmias due to electrolyte imbalances, particularly hypokalemia. Continuous cardiac monitoring is essential to promptly identify and manage any dysrhythmias that may occur.
D. Administering sodium bicarbonate would exacerbate metabolic alkalosis and is not indicated.
Correct Answer is D
Explanation
A. While obesity can contribute to certain health conditions, it is not a direct risk factor for the formation of renal calculi.
B. Proteinuria may indicate kidney dysfunction, but it is not a direct risk factor for the formation of renal calculi.
C. Iron deficiency is not directly associated with an increased risk of renal calculi formation.
D. Dehydration can lead to concentrated urine, which increases the risk of crystal formation and subsequently the formation of renal calculi.
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