A client is receiving an intravenous (IV) infusion of nitroglycerin 100 mg in 500 mL of D5W at 6 mL/hour. How many mg/minute of nitroglycerin is infusing?
(Enter numerical value only.)
The Correct Answer is ["0.002"]
To calculate the dose rate, we need to use the formula:
Dose rate (mg/min) = Infusion rate (mL/h) x Concentration (mg/mL) / Time (min)
First, we need to calculate the concentration of nitroglycerin in the solution by dividing the total amount by the total volume. In this case, it is 100 mg / 500 mL.
Plugging in the given values, we get:
Dose rate (mg/min) = 6 mL/h x 100 mg / 500 mL / 60 min
Simplifying, we get:
Dose rate (mg/min) = 0.002 mg/min
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Related Questions
Correct Answer is ["17"]
Explanation
To calculate the infusion rate, we need to use the formula:
Infusion rate (mL/h) = Dose (mg/min) x Volume (mL) / Concentration (mg)
Plugging in the given values, we get:
Infusion rate (mL/h) = 0.5 mg/min x 200 mL / 360 mg
Simplifying, we get:
Infusion rate (mL/h) = 100 mL / 360 min
Converting minutes to hours, we get:
Infusion rate (mL/h) = 100 mL / 6 h
Dividing both sides by 6, we get:
Infusion rate (mL/h) = 16.67 mL/h
Rounding to the nearest whole number, we get:
Infusion rate (mL/h) = 17 mL/h
Correct Answer is ["1"]
Explanation
To calculate the number of tablets, we need to use the formula:
Number of tablets = Dose (mcg) / Strength (mcg/tablet)
First, we need to calculate the dose by multiplying the prescribed rate by the weight in kilograms. To convert the weight from pounds to kilograms, we multiply by 0.454. In this case, 154 pounds is equivalent to 69.916 kg.
Plugging in the given values, we get:
Number of tablets = 1.6 mcg/kg x 69.916 kg / 112 mcg
Simplifying, we get:
Number of tablets = 1
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