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
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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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","D","E"]
Explanation
A. Bicarbonate excess is not a clinical manifestation but rather the underlying cause of metabolic alkalosis.
B. Metabolic alkalosis can lead to potassium depletion, which may cause muscle weakness.
C. Kussmaul's respirations, characterized by deep and labored breathing, are more commonly associated with metabolic acidosis, not alkalosis, as the body tries to compensate for acidemia by expelling more carbon dioxide through deep breaths.
D. Alkalosis can cause peripheral vasodilation and decreased calcium ionization, leading to circumoral and digital paresthesia.
E. Alkalosis can cause cerebral vasoconstriction and decreased cerebral perfusion, leading to dizziness.

Correct Answer is B
Explanation
A. This intervention is not relevant to diabetes insipidus, which affects water balance rather than glucose levels.
B. Checking urine specific gravity helps assess the concentration of urine, which can be very dilute in diabetes insipidus.
C. Diabetes insipidus is already characterized by excessive urination (polyuria), so administering a diuretic would exacerbate fluid loss.
D. Fluid restrictions are not typically necessary in diabetes insipidus because the primary issue is water loss rather than retention.
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