A nurse is monitoring a client who received desmopressin (DDAVP) to treat diabetes insipidus. Which of the following findings indicates effectiveness of the medication?
Increased heart rate
Increased blood pressure
Serum sodium 150 mEq/L (136-145)
Urine specific gravity 1.015 (1.005 - 1.030)
The Correct Answer is D
A. Increased heart rate: An increased heart rate may indicate dehydration or hypovolemia, which would suggest desmopressin is ineffective in managing diabetes insipidus.
B. Increased blood pressure: Desmopressin might increase blood pressure slightly, but this is not a direct indicator of its effectiveness in controlling diabetes insipidus.
C. Serum sodium 150 mEq/L (136-145): Elevated sodium levels indicate persistent dehydration or insufficient control of fluid balance, suggesting the treatment is ineffective.
D. Urine specific gravity 1.015 (1.005 - 1.030): A normalized urine specific gravity indicates that desmopressin is effectively concentrating the urine, a key goal in managing diabetes insipidus.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Hypernatremia: Addison’s disease causes low aldosterone levels, leading to hyponatremia rather than hypernatremia.
B. Hypotension: Addison's disease causes insufficient cortisol and aldosterone, resulting in fluid loss and low blood pressure, especially in stress or postoperative states.
C. Bradycardia: Addison’s disease does not typically affect heart rate directly, though hypotension may cause a compensatory increase in heart rate (tachycardia).
D. Hypokalemia: Addison's disease leads to hyperkalemia due to low aldosterone levels, which reduce potassium excretion by the kidneys.
Correct Answer is D
Explanation
A. Weight gain: Excessive levothyroxine leads to hyperthyroidism, which typically causes weight loss, not gain.
B. Bradycardia: Bradycardia is a symptom of hypothyroidism, not hyperthyroidism from excessive levothyroxine.
C. Decreased temperature: Low body temperature is a sign of hypothyroidism, not hyperthyroidism.
D. Tachypnea: Overdosing on levothyroxine can cause hyperthyroidism, leading to increased metabolic rate and symptoms such as tachypnea.
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