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. "This test measures the absorption of iodine and how it relates to the thyroid gland.": This describes a radioactive iodine uptake (RAIU) test, not TSH testing.
B. "The test determines whether your thyroid gland is overactive, appropriately active, or underactive.": A TSH test evaluates thyroid function by measuring the pituitary gland’s response to circulating thyroid hormone levels.
C. "This test detects antithyroid antibodies in your blood.": This describes a thyroid antibody test, which is used to diagnose autoimmune thyroid conditions like Hashimoto’s thyroiditis or Graves’ disease.
D. "This test measures the amount of thyroid hormone that attaches to a protein in your blood.": This describes a thyroid hormone-binding ratio test, not TSH.
Correct Answer is A
Explanation
A. Regular: Regular insulin is the only insulin type that can be administered intravenously and is the treatment of choice for DKA to quickly reduce blood glucose levels.
B. Detemir: Detemir is a long-acting insulin, unsuitable for acute correction of hyperglycemia or DKA.
C. Glargine: Glargine is a long-acting basal insulin, which is not used for immediate glucose control in emergencies.
D. NPH: NPH is an intermediate-acting insulin, not appropriate for rapid glucose reduction in DKA.
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