Advanced dosage calculation scenarios including titrated drips, pediatric weight-based dosing, and unit conversions.
About this set
35 basic cards for NCLEX-RN Nursing. Set 2 of 2 in Nursing Dosage Calculations. It opens with "What formula is used to calculate the amount of a drug to give, based on the" and "What is the formula for IV flow rate in drops per minute (gtt/min)?". Study it alongside the other NCLEX-RN sets below.
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- What formula is used to calculate the amount of a drug to give, based on the desired dose and the dose on hand?
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D/H x Q (Desired dose divided by Have, times Quantity)- What is the formula for IV flow rate in drops per minute (gtt/min)?
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(Volume in mL divided by Time in minutes) x drop factor (gtt/mL)- What is the typical drop factor range for macrodrip IV tubing?
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10 to 20 gtt/mL- What is the drop factor for microdrip IV tubing?
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60 gtt/mL- 1 kilogram equals how many pounds?
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2.2 pounds- 1 milligram equals how many micrograms?
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1000 micrograms- 1 gram equals how many milligrams?
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1000 milligrams- 1 liter equals how many milliliters?
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1000 milliliters- What is the formula to convert a mcg/min drip order into mL/hr?
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(Dose in mcg/min x 60) divided by concentration in mcg/mL- What is the formula to convert a mcg/kg/min drip order into mL/hr?
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(Dose in mcg/kg/min x weight in kg x 60) divided by concentration in mcg/mL- How is a weight-based pediatric dose in mg calculated from an order in mg/kg/dose?
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Multiply the mg/kg/dose ordered by the patient's weight in kilograms- Before calculating a pediatric dose given a weight in pounds, what must be done first?
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Convert the weight from pounds to kilograms by dividing by 2.2- What is the Mosteller formula for body surface area (BSA)?
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BSA (m squared) = square root of (height in cm x weight in kg divided by 3600)- BSA-based dosing is most commonly used for which category of drugs?
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Chemotherapy drugs- Under the Holliday-Segar (4-2-1) rule, what maintenance fluid rate applies to the first 10 kg of body weight?
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4 mL/kg/hr
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