Rates Of Administration - NAPLEX

1. Calculate pump rate: order $12\ \text{mg/hr}$; solution $0.5\ \text{mg/mL}$. What is $\text{mL/hr}$?

   $24\ \text{mL/hr}$. Divides ordered hourly dose by concentration to obtain the necessary pump setting.

2. What is the formula for infusion rate in $\text{mcg/kg/min}$ from mg/hr, weight, and units?

   $\text{mcg/kg/min}=\frac{\text{mg/hr}\times1000}{\text{kg}\times60}$. Converts mg/hr to mcg by multiplying by 1000, then divides by weight in kg and minutes per hour for per-minute rate.

3. What is the formula for infusion rate in $\text{mg/kg/hr}$ from mg/hr and weight?

   $\text{mg/kg/hr}=\frac{\text{mg/hr}}{\text{kg}}$. Divides the hourly dose by patient weight to normalize the infusion rate per kilogram.

4. What is the formula for pump rate $\text{mL/hr}$ from ordered dose rate and concentration?

   $\text{mL/hr}=\frac{\text{mg/hr}}{\text{mg/mL}}$. Divides ordered hourly dose by solution concentration to find the required infusion rate.

5. What is the formula for mg/hr delivered from solution concentration and pump rate?

   $\text{mg/hr}=\text{mg/mL}\times\text{mL/hr}$. Multiplies solution concentration by infusion rate to determine the hourly drug delivery.

6. What is the formula to convert $\text{gtt/min}$ to $\text{mL/hr}$ using drop factor?

   $\text{mL/hr}=\frac{\text{gtt/min}\times60}{\text{gtt/mL}}$. Multiplies drops per minute by minutes per hour and divides by drop factor to convert to hourly volume.

7. What is the formula for IV infusion time in $\text{hr}$ from volume and rate?

   $\text{hr}=\frac{\text{mL}}{\text{mL/hr}}$. Divides total volume by hourly rate to determine the duration of IV infusion.

8. What is the formula for infusion rate in $\text{mcg/min}$ from mg/hr?

   $\text{mcg/min}=\frac{\text{mg/hr}\times1000}{60}$. Converts mg/hr to mcg by multiplying by 1000, then divides by minutes per hour for per-minute rate.

9. Calculate drip rate: $100\ \text{mL/hr}$ with a $15\ \text{gtt/mL}$ set. What is $\text{gtt/min}$?

   $25\ \text{gtt/min}$. Applies the drip rate formula by multiplying mL/hr by drop factor and dividing by 60.

10. Calculate $\text{mg/hr}$: concentration $2\ \text{mg/mL}$ and pump rate $30\ \text{mL/hr}$. What is mg/hr?

    $60\ \text{mg/hr}$. Multiplies concentration by infusion rate to find the hourly drug administration amount.

11. What is the formula for drip rate in $\text{gtt/min}$ using drop factor and mL/hr?

    $\text{gtt/min}=\frac{\text{mL/hr}\times\text{gtt/mL}}{60}$. Multiplies hourly volume by drop factor and divides by minutes per hour to find drops per minute.

12. Convert to pump rate: $20\ \text{gtt/min}$ using a $10\ \text{gtt/mL}$ set. What is $\text{mL/hr}$?

    $120\ \text{mL/hr}$. Converts drops per minute to mL/hr by multiplying by 60 and dividing by drop factor.

13. Identify the correct conversion from mg to mcg used in infusion-rate calculations.

    $1\ \text{mg}=1000\ \text{mcg}$. Enables conversion from milligrams to micrograms, crucial for precise dosing in infusions.

14. Calculate $\text{mcg/kg/min}$: deliver $12\ \text{mg/hr}$ to a $60\ \text{kg}$ patient. What is the rate?

    $3.33\ \text{mcg/kg/min}$. Converts mg/hr to mcg/kg/min using the formula with 1000 mcg/mg, divided by kg and 60 min/hr.

15. Calculate drip rate: $75\ \text{mL/hr}$ with a $60\ \text{gtt/mL}$ set. What is $\text{gtt/min}$?

    $75\ \text{gtt/min}$. Uses the drip rate calculation, where mL/hr times drop factor divided by 60 yields drops per minute.

16. What deck type best fits NAPLEX Rates of Administration (recall, application, or both)?

    both. Encompasses memorization of formulas and their practical use in calculating infusion parameters.

17. What is the formula for drip rate in $\text{gtt/min}$ using mL, drop factor, and minutes?

    $\text{gtt/min}=\frac{\text{mL}\times\text{gtt/mL}}{\text{min}}$. Multiplies total volume by drop factor and divides by total minutes for the drip rate over the infusion period.

18. Calculate infusion time: $250\ \text{mL}$ at $50\ \text{mL/hr}$. What is the time in hours?

    $5\ \text{hr}$. Divides volume by hourly rate to determine the total time needed for complete infusion.

19. Identify the correct conversion for hours to minutes used in drip-rate calculations.

    $1\ \text{hr}=60\ \text{min}$. Provides the essential factor to convert between hourly and per-minute rates in infusion calculations.

20. What is the formula for total drug delivered (mg) from mg/hr and time in hours?

    $\text{mg}=\text{mg/hr}\times\text{hr}$. Multiplies hourly dose rate by infusion time to calculate cumulative drug amount delivered.

21. What is the formula for IV infusion rate in $\text{mL/hr}$ from volume and time?

    $\text{mL/hr}=\frac{\text{mL}}{\text{hr}}$. Divides total volume by infusion time to yield the hourly flow rate for IV administration.

22. Calculate total dose delivered: run $2\ \text{mg/hr}$ for $6\ \text{hr}$. How many mg are delivered?

    $12\ \text{mg}$. Multiplies hourly rate by total hours to compute the overall drug quantity infused.

23. Calculate concentration: add $400\ \text{mg}$ drug to $250\ \text{mL}$ total volume. What is $\text{mg/mL}$?

    $1.6\ \text{mg/mL}$. Divides total drug by total volume to determine the solution's strength.

24. What is the formula for concentration $\text{mg/mL}$ from total drug and total volume?

    $\text{mg/mL}=\frac{\text{mg}}{\text{mL}}$. Divides total drug amount by total solution volume to compute the concentration.

25. Calculate the pump rate: infuse $500\ \text{mL}$ over $4\ \text{hr}$. What is $\text{mL/hr}$?

    $125\ \text{mL/hr}$. Divides total volume by hours to compute the steady hourly infusion rate required.

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