A nurse is preparing to administer a 5 mg IV bolus of metoprolol to a patient for heart rate control.

The available metoprolol injection is 1 mg/mL. How many mL should the nurse administer per dose?

(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["5"]

Step 1 is: Calculate the volume of metoprolol to administer using the formula: Volume = Dose ÷ Concentration

Step 2 is: Substitute the given values into the formula: Volume = 5 mg ÷ 1 mg/mL

Step 3 is: Perform the calculation: Volume = 5 mL. So, the nurse should administer 5 mL of metoprolol per dose.

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Free Nursing Study Resources

Correct Answer is B

Explanation

A. Provide a diet containing 2 g of sodium per day. B. Administer desmopressin acetate 0.2 mg orally. C. Restrict fluid intake to 1,000 mL per day. D. Maintain an IV of 0.45% sodium chloride.

Correct Answer is C

Explanation

Choice A rationale

Providing a diet containing 2 g of sodium per day is not typically part of the treatment for SIADH. In fact, increasing sodium intake could potentially worsen hyponatremia, a common condition in SIADH7.

Choice B rationale

Administering desmopressin acetate 0.2 mg orally is not typically part of the treatment for SIADH. Desmopressin is a synthetic form of ADH, and administering this medication could potentially worsen the symptoms of SIADH, which is characterized by an overproduction of ADH7.

Choice C rationale

Restricting fluid intake to 1,000 mL per day is often part of the treatment for SIADH. This helps to correct the imbalance of water in the body, which is a common issue in SIADH8.

Choice D rationale

Maintaining an IV of 0.45% sodium chloride is not typically part of the treatment for SIADH. This type of IV fluid is hypotonic, meaning it has a lower concentration of solutes (like sodium) than the blood. This could potentially worsen the hyponatremia seen in SIADH7.

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a 3-year-old child who has had 160 mL of urine output over the past 8-hour period. The child weighs 33 lb. Which of the following actions should the nurse take?

Correct Answer is B

Explanation

A nurse is caring for a patient who has syndrome of inappropriate antidiuretic hormone (SIADH) and a sodium level of 123 mEq/L. What prescription should the nurse anticipate?

Correct Answer is C

Explanation

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