A nurse is assessing a client who has chronic kidney disease. Which of the following findings is a manifestation of hyperkalemia?
Wheezing
Decreased deep tendon reflexes
Cerebral edema
Hypoactive bowel sounds
The Correct Answer is B
A. Wheezing is not typically associated with hyperkalemia. It can be seen in conditions such as asthma or chronic obstructive pulmonary disease (COPD).
B. Hyperkalemia can lead to neuromuscular manifestations, including decreased deep tendon reflexes due to suppression of neuromuscular excitability.
C. Cerebral edema is not a typical manifestation of hyperkalemia. It may occur in conditions such as hyponatremia or severe metabolic acidosis.
D. Gastrointestinal manifestations of hyperkalemia are typically related to smooth muscle involvement and can include hyperactive bowel sounds or diarrhea.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Metabolic Alkalosis, Partially Compensated, is incorrect because there is no evidence of respiratory compensation (normal PaCO2).
B. Respiratory Acidosis, Partially Compensated, is incorrect because the pH is high, not low as would be expected in acidosis, and the PaCO2 is normal, not high.
C. Respiratory Alkalosis, Uncompensated, is incorrect because the primary problem is metabolic (high HCO3), not respiratory, and the PaCO2 is normal, not low as would be seen in respiratory alkalosis.
D. Metabolic alkalosis is characterized by elevated pH and bicarbonate levels. In this scenario, the pH is elevated (7.5) and the bicarbonate (HCO3) level is high (34 mmol/L), indicating alkalosis. Vomiting leads to loss of gastric acid (hydrochloric acid), causing metabolic alkalosis. The respiratory system has not yet compensated fully for the alkalosis, as indicated by the normal PaCO2 (40 mm Hg).
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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