A nurse is preparing to administer an osmotic diuretic IV to a client with increased intracranial pressure. Which of the following should the nurse identify as the purpose of the medication?

Reduce edema of the brain.

Increase cell size in the brain.

Expand extracellular ﬂuid volume.

Provide ﬂuid hydration.

Answer and Explanation

The Correct Answer is A

Choice A Reason: This is correct because an osmotic diuretic, such as mannitol, works by creating an osmotic gradient that draws ﬂuid from the brain tissue into the blood vessels, thereby reducing cerebral edema and intracranial pressure.

Choice B Reason: This is incorrect because an osmotic diuretic would decrease, not increase, the cell size in the brain by removing ﬂuid from the intracellular space.

Choice C Reason: This is incorrect because an osmotic diuretic would decrease, not expand, the extracellular ﬂuid volume by increasing the urine output and excreting excess ﬂuid from the body.

Choice D Reason: This is incorrect because an osmotic diuretic would not provide ﬂuid hydration, but rather cause ﬂuid loss and dehydration.

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Correct Answer is ["125"]

Explanation

Step 1: Determine the total time required to infuse 40 mEq at a rate of 10 mEq/hr.

40 mEq ÷ 10 mEq/hr = 4 hours

Result: 4 hours

Step 2: Determine the infusion rate in mL/hr.

500 mL ÷ 4 hours = 125 mL/hr

Result: 125 mL/hr

The nurse should set the IV pump to deliver 125 mL/hr.

Correct Answer is ["24"]

Explanation

To find the concentration of heparin in the solution, divide the amount of heparin by the volume of D5W: 25,000 units / 500 mL = 50 units/mL
To find the infusion rate, divide the prescribed dose by the concentration: 1,200 units/hr / 50 units/mL = 24 mL/hr
Round the answer to the nearest tenth/whole number: 24 mL/hr

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A nurse is preparing to administer an osmotic diuretic IV to a client with increased intracranial pressure. Which of the following should the nurse identify as the purpose of the medication?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer 40 mEq of potassium chloride in 45% sodium chloride (NaCl) 500 mL IV to infuse 10 mEq/hr. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["125"]

Explanation

Correct Answer is ["24"]

Explanation

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