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. Respiratory Acidosis, both compensated and uncompensated, is characterized by an elevated PaCO2, which is not present in this case.
B. The elevated pH (7.5) and HCO3 (34 mmol/L) indicate metabolic alkalosis. The elevated pH and the slightly elevated PaCO2 (40 mm Hg) suggest the partially compensated state, which is the respiratory compensation attempting to correct the alkalosis.
C. The fact that the PaCO2 is not low rules out respiratory alkalosis.
D. The arterial blood gas values indicate a high pH (7.5), a normal PaCO2 (40 mm Hg), and an elevated HCO3 (34 mmol/L), which are indicative of metabolic alkalosis. However, the elevated pH and the slightly elevated PaCO2 (40 mm Hg) suggest a partially compensated state.

A. Free T4 B. Serum T3 C. Serum T4 D. Thyroid stimulating hormone (TSH)

Correct Answer is D

Explanation

A. In primary hypothyroidism, the thyroid gland fails to produce sufficient thyroid hormone.
Consequently, free T4 levels are typically decreased.
B. Although serum T3 levels may also decrease in primary hypothyroidism due to impaired thyroid function, TSH is the primary marker used for diagnosis and monitoring.
C. Similarly, serum T4 levels may decrease in primary hypothyroidism due to decreased synthesis by the thyroid gland.
D. In primary hypothyroidism, the anterior pituitary gland releases more TSH to stimulate the thyroid gland to produce thyroid hormones. Therefore, elevated TSH levels are characteristic of primary hypothyroidism.

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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

Correct Answer is B

Explanation

A nurse in a clinic is reviewing the laboratory values of a client who has primary hypothyroidism. Which of the following laboratory values should the nurse anticipate an elevation of?

Correct Answer is D

Explanation

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