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.)
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
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["60"]
Explanation
Given:
Ordered dose: 25 mL PO every 6 hours PRN
Medication label: "Acetaminophen and Codeine Phosphate Oral Solution, USP: 120/12 mg per 5 mL"
Step 1: Determine the concentration of codeine in the solution:
Concentration of Codeine = Amount of Codeine / Volume of Solution
Concentration of Codeine = 12 mg / 5 mL
Concentration of Codeine = 2.4 mg/mL
Step 2: Calculate the amount of codeine per dose:
Amount of Codeine per Dose = Concentration of Codeine x Volume per Dose
Amount of Codeine per Dose = 2.4 mg/mL x 25 mL
Amount of Codeine per Dose = 60 mg
Correct Answer is ["1"]
Explanation
Given:
Ordered dose of loratadine: 5 mg
Concentration of loratadine suspension: 5 mg per 5 mL
1 teaspoon = 5 mL
Step 1: Determine the volume of loratadine suspension to be administered:
Since the ordered dose and the concentration are the same (5 mg), the volume to be administered is 5 mL.
Step 2: Convert mL to teaspoons:
1 teaspoon = 5 mL
Volume in teaspoons = 5 mL / 5 mL/teaspoon
Volume in teaspoons = 1 teaspoon
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