A nurse is caring for a client who has diabetes insipidus and is receiving vasopressin. The nurse should identify which of the following findings as an indication that the medication is effective?

A decrease in blood pressure

A decrease in blood sugar

A decrease in urine output

A decrease in specific gravity

Answer and Explanation

The Correct Answer is C

A.   Vasopressin does not typically affect blood pressure significantly.
B.   Vasopressin is not used to lower blood sugar levels; it is primarily used for water retention.
C.   Vasopressin, also known as antidiuretic hormone (ADH), acts on the kidneys to decrease urine output, making this the expected outcome of therapy.
D.   Specific gravity of urine may increase with vasopressin therapy due to decreased urine output, rather than decrease.

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Correct Answer is B

Explanation

A. In respiratory acidosis, the pH would be lower than normal due to an excess of carbon dioxide.
B. PaCO2 (partial pressure of carbon dioxide) would be elevated in respiratory acidosis because of inadequate ventilation leading to CO2 retention.
C. Potassium levels may vary depending on other factors but are not directly related to respiratory acidosis.
D. HCO3 (bicarbonate) levels may be normal or increased compensatorily in chronic respiratory acidosis, not necessarily decreased.

A. Metabolic Alkalosis. Partially Compensated B. Respiratory Acidosis, Partially Compensated C. Respiratory Alkalosis. Uncompensated D. Metabolic Alkalosis. Uncompensated

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).

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A nurse is caring for a client who has diabetes insipidus and is receiving vasopressin. The nurse should identify which of the following findings as an indication that the medication is effective?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is reviewing the laboratory values of a client who has respiratory acidosis. Which of the following findings should the nurse expect?

Correct Answer is B

Explanation

Correct Answer is D

Explanation

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