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The healthcare provider prescribes an IV solution of regular insulin 100 units in 250 mL of 0.45% saline to infuse at 12 units/hour. The nurse should program the infusion pump to deliver how many mL/hour? (Enter numeric value only.)

Answer and Explanation

The Correct Answer is ["30"]

Given:

Total insulin in solution: 100 units

Volume of solution: 250 mL

Infusion rate: 12 units/hour

Step 1: Determine the concentration of insulin in the solution:

Concentration (units/mL) = Total insulin (units) / Volume of solution (mL)

Concentration (units/mL) = 100 units / 250 mL

Concentration (units/mL) = 0.4 units/mL

Step 2: Calculate the infusion rate in mL/hr:

Infusion rate (mL/hr) = Infusion rate (units/hr) / Concentration (units/mL)

Infusion rate (mL/hr) = 12 units/hr / 0.4 units/mL

Infusion rate (mL/hr) = 30 mL/hr

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Correct Answer is ["125"]

Explanation

Given:

Total dose of Potassium Chloride: 80 mEq

Volume of solution: 1 liter (1000 mL)

Infusion rate: 10 mEq/hour

Step 1: Determine the concentration of Potassium Chloride in the solution:

Concentration (mEq/mL) = Total Potassium Chloride (mEq) / Volume of solution (mL)

Concentration (mEq/mL) = 80 mEq / 1000 mL

Concentration (mEq/mL) = 0.08 mEq/mL

Step 2: Calculate the infusion rate in mL/hr:

Infusion rate (mL/hr) = Infusion rate (mEq/hr) / Concentration (mEq/mL)

Infusion rate (mL/hr) = 10 mEq/hr / 0.08 mEq/mL

Infusion rate (mL/hr) = 125 mL/hr

Correct Answer is ["1"]

Explanation

Given:

Ordered dose of trimethobenzamide: 100 mg IM every 6 hours

Concentration of trimethobenzamide: 200 mg/2 mL vial

Step 1: Set up the proportion:

Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL)

Step 2: Substitute the values:

100 mg / Volume = 200 mg/2 mL

Step 3: Solve for the unknown volume:

Volume = 100 mg / (200 mg/2 mL)

Volume = 100 mg x (2 mL / 200 mg)

Volume = 1 mL

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The healthcare provider prescribes an IV solution of regular insulin 100 units in 250 mL of 0.45% saline to infuse at 12 units/hour. The nurse should program the infusion pump to deliver how many mL/hour? (Enter numeric value only.)

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Naxlex Comprehensive Predictor Exams

Correct Answer is ["125"]

Explanation

The healthcare provider prescribes trimethobenzamide 100 mg IM every 6 hours for a client with postoperative vomiting. "Each 2 mL single-dose vial contains 200 mg of trimethobenzamide. How many mL should the nurse administer to the client for each dose? (Enter numeric value only.)

Correct Answer is ["1"]

Explanation

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