The healthcare provider prescribes regular insulin 10 units/hour IV. The pharmacy provides a solution of normal saline 250 mL with 125 units regular insulin. How many hours should the IV infuse? (Enter numeric value only. if rounding is required, round to the nearest whole number.)
The Correct Answer is ["13"]
Given:
Total insulin in solution: 125 units
Ordered infusion rate: 10 units/hour
Step 1: Calculate the total infusion time:
Total infusion time (hours) = Total insulin (units) / Infusion rate (units/hour)
Total infusion time (hours) = 125 units / 10 units/hour
Total infusion time (hours) = 12.5 hours
Step 2: Round to the nearest whole number:
Total infusion time (hours) ≈ 13 hours
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Related Questions
Correct Answer is ["120"]
Explanation
Given:
Ordered dose of Labetalol HCl: 2 mg/minute
Concentration of Labetalol HCl: 200 mg in 200 mL (1 mg/mL)
Step 1: Calculate the infusion rate in mg/hour:
Infusion rate (mg/hour) = Ordered dose (mg/minute) x 60 minutes/hour
Infusion rate (mg/hour) = 2 mg/minute x 60 minutes/hour
Infusion rate (mg/hour) = 120 mg/hour
Step 2: Calculate the infusion rate in mL/hour:
Infusion rate (mL/hour) = Infusion rate (mg/hour) / Concentration (mg/mL)
Infusion rate (mL/hour) = 120 mg/hour / 1 mg/mL
Infusion rate (mL/hour) = 120 mL/hour
Correct Answer is ["180"]
Explanation
Given:
Ordered dose of Daptomycin: 9 mg/kg/day
Child's weight: 44 pounds
Step 1: Convert child's weight from pounds to kilograms:
1 pound (lb) = 0.453592 kilograms (kg)
Child's weight in kg = 44 lbs x 0.453592 kg/lb = 19.958 kg
Step 2: Calculate the total daily dose of Daptomycin:
Total daily dose (mg) = Ordered dose (mg/kg/day) x Child's weight (kg)
Total daily dose (mg) = 9 mg/kg/day x 19.958 kg
Total daily dose (mg) = 179.622 mg
Round off to 180 mg
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