IV Flow Rate Calculations - NCLEX-PN
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What is the standard drop factor for a microdrip tubing set in $gtt/mL $?
What is the standard drop factor for a microdrip tubing set in $gtt/mL $?
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$60\ \text{gtt/mL}$. Microdrip tubing is standardized at 60 drops per milliliter for precise low-volume infusions.
$60\ \text{gtt/mL}$. Microdrip tubing is standardized at 60 drops per milliliter for precise low-volume infusions.
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What is the formula to convert an infusion rate from $mL/min $ to $mL/hr $?
What is the formula to convert an infusion rate from $mL/min $ to $mL/hr $?
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$\text{mL/hr}=\text{mL/min}\times 60$. Multiplies the per-minute rate by 60 to convert to an hourly rate, accounting for minutes per hour.
$\text{mL/hr}=\text{mL/min}\times 60$. Multiplies the per-minute rate by 60 to convert to an hourly rate, accounting for minutes per hour.
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What is the drip rate in $gtt/min $ for $50\ \text{mL}$ over $30\ \text{min}$ with $20\ \text{gtt/mL}$ tubing?
What is the drip rate in $gtt/min $ for $50\ \text{mL}$ over $30\ \text{min}$ with $20\ \text{gtt/mL}$ tubing?
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$33\ \text{gtt/min}$. Applies drip formula: $(50 \times 20) \div 30 \approx 33$, rounding to nearest whole drop.
$33\ \text{gtt/min}$. Applies drip formula: $(50 \times 20) \div 30 \approx 33$, rounding to nearest whole drop.
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What is the drip rate in $gtt/min $ for $60\ \text{mL}$ over $30\ \text{min}$ with $10\ \text{gtt/mL}$ tubing?
What is the drip rate in $gtt/min $ for $60\ \text{mL}$ over $30\ \text{min}$ with $10\ \text{gtt/mL}$ tubing?
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$20\ \text{gtt/min}$. Applies drip formula: $(60 \times 10) \div 30 = 20$.
$20\ \text{gtt/min}$. Applies drip formula: $(60 \times 10) \div 30 = 20$.
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What is the drip rate in $gtt/min $ for $120\ \text{mL}$ over $1\ \text{hr}$ with $15\ \text{gtt/mL}$ tubing?
What is the drip rate in $gtt/min $ for $120\ \text{mL}$ over $1\ \text{hr}$ with $15\ \text{gtt/mL}$ tubing?
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$30\ \text{gtt/min}$. Applies drip formula: $(120 \times 15) \div 60 = 30$, for 60 minutes in 1 hour.
$30\ \text{gtt/min}$. Applies drip formula: $(120 \times 15) \div 60 = 30$, for 60 minutes in 1 hour.
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What is the drip rate in $gtt/min $ for $100\ \text{mL}$ over $1\ \text{hr}$ with $15\ \text{gtt/mL}$ tubing?
What is the drip rate in $gtt/min $ for $100\ \text{mL}$ over $1\ \text{hr}$ with $15\ \text{gtt/mL}$ tubing?
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$25\ \text{gtt/min}$. Applies drip formula: $(100 \times 15) \div 60 = 25$, for 60 minutes in 1 hour.
$25\ \text{gtt/min}$. Applies drip formula: $(100 \times 15) \div 60 = 25$, for 60 minutes in 1 hour.
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What is the remaining time in hours for $500\ \text{mL}$ left to infuse at $125\ \text{mL/hr}$?
What is the remaining time in hours for $500\ \text{mL}$ left to infuse at $125\ \text{mL/hr}$?
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$4\ \text{hr}$. Divides remaining volume by rate to find time, as $500 \div 125 = 4$.
$4\ \text{hr}$. Divides remaining volume by rate to find time, as $500 \div 125 = 4$.
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What is the time in hours to infuse $1000\ \text{mL}$ at $125\ \text{mL/hr}$?
What is the time in hours to infuse $1000\ \text{mL}$ at $125\ \text{mL/hr}$?
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$8\ \text{hr}$. Divides volume by rate to find time, as $1000 \div 125 = 8$.
$8\ \text{hr}$. Divides volume by rate to find time, as $1000 \div 125 = 8$.
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What is the IV pump rate in $mL/hr $ for $250\ \text{mL}$ to infuse over $2\ \text{hr}$?
What is the IV pump rate in $mL/hr $ for $250\ \text{mL}$ to infuse over $2\ \text{hr}$?
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$125\ \text{mL/hr}$. Divides total volume by hours to yield the rate, as $250 \div 2 = 125$.
$125\ \text{mL/hr}$. Divides total volume by hours to yield the rate, as $250 \div 2 = 125$.
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What is the IV pump rate in $mL/hr $ for $500\ \text{mL}$ to infuse over $4\ \text{hr}$?
What is the IV pump rate in $mL/hr $ for $500\ \text{mL}$ to infuse over $4\ \text{hr}$?
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$125\ \text{mL/hr}$. Divides total volume by hours to yield the rate, as $500 \div 4 = 125$.
$125\ \text{mL/hr}$. Divides total volume by hours to yield the rate, as $500 \div 4 = 125$.
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What is the drip rate in $gtt/min $ for $75\ \text{mL}$ over $1\ \text{hr}$ with $10\ \text{gtt/mL}$ tubing?
What is the drip rate in $gtt/min $ for $75\ \text{mL}$ over $1\ \text{hr}$ with $10\ \text{gtt/mL}$ tubing?
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$13\ \text{gtt/min}$. Applies drip formula: $(75 \times 10) \div 60 = 12.5$, rounded up to nearest whole drop.
$13\ \text{gtt/min}$. Applies drip formula: $(75 \times 10) \div 60 = 12.5$, rounded up to nearest whole drop.
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What is the IV pump rate in $mL/hr $ for $1000\ \text{mL}$ to infuse over $8\ \text{hr}$?
What is the IV pump rate in $mL/hr $ for $1000\ \text{mL}$ to infuse over $8\ \text{hr}$?
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$125\ \text{mL/hr}$. Divides total volume by hours to yield the rate, as $1000 \div 8 = 125$.
$125\ \text{mL/hr}$. Divides total volume by hours to yield the rate, as $1000 \div 8 = 125$.
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Identify the typical rounding rule for an electronic pump setting in $mL/hr $.
Identify the typical rounding rule for an electronic pump setting in $mL/hr $.
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Round to the nearest whole mL/hr ($1\ \text{mL/hr}$). Electronic pumps program rates in whole numbers for standard precision and safety.
Round to the nearest whole mL/hr ($1\ \text{mL/hr}$). Electronic pumps program rates in whole numbers for standard precision and safety.
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Identify the typical rounding rule for a manual gravity drip rate in $gtt/min $.
Identify the typical rounding rule for a manual gravity drip rate in $gtt/min $.
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Round to the nearest whole drop ($1\ \text{gtt}$). Manual gravity drips require whole drops for accurate setting on the roller clamp.
Round to the nearest whole drop ($1\ \text{gtt}$). Manual gravity drips require whole drops for accurate setting on the roller clamp.
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What is the formula to find total volume in mL when given time in hours and rate in $mL/hr $?
What is the formula to find total volume in mL when given time in hours and rate in $mL/hr $?
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$\text{mL}=\text{mL/hr}\times\text{hr}$. Multiplies the hourly rate by time to determine the total volume infused.
$\text{mL}=\text{mL/hr}\times\text{hr}$. Multiplies the hourly rate by time to determine the total volume infused.
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What is the formula to find time in hours when given total volume in mL and rate in $mL/hr $?
What is the formula to find time in hours when given total volume in mL and rate in $mL/hr $?
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$\text{hr}=\frac{\text{mL}}{\text{mL/hr}}$. Divides total volume by the hourly rate to solve for infusion duration.
$\text{hr}=\frac{\text{mL}}{\text{mL/hr}}$. Divides total volume by the hourly rate to solve for infusion duration.
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What is the relationship between $mL/hr $ and $gtt/min $ when using microdrip tubing ($60\ \text{gtt/mL}$)?
What is the relationship between $mL/hr $ and $gtt/min $ when using microdrip tubing ($60\ \text{gtt/mL}$)?
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$\text{gtt/min}=\text{mL/hr}$. With a 60 gtt/mL drop factor, the numerical value of mL/hr equals gtt/min due to 60 minutes per hour.
$\text{gtt/min}=\text{mL/hr}$. With a 60 gtt/mL drop factor, the numerical value of mL/hr equals gtt/min due to 60 minutes per hour.
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What is the formula to convert an infusion rate from $mL/hr $ to $mL/min $?
What is the formula to convert an infusion rate from $mL/hr $ to $mL/min $?
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$\text{mL/min}=\frac{\text{mL/hr}}{60}$. Divides the hourly rate by 60 to convert to a per-minute rate, as there are 60 minutes in an hour.
$\text{mL/min}=\frac{\text{mL/hr}}{60}$. Divides the hourly rate by 60 to convert to a per-minute rate, as there are 60 minutes in an hour.
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What is the formula to calculate IV drip rate in $gtt/min $ using mL, drop factor, and minutes?
What is the formula to calculate IV drip rate in $gtt/min $ using mL, drop factor, and minutes?
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$\text{gtt/min}=\frac{\text{mL}\times\text{gtt/mL}}{\text{min}}$. Multiplies volume by drop factor and divides by total minutes to calculate drops per minute.
$\text{gtt/min}=\frac{\text{mL}\times\text{gtt/mL}}{\text{min}}$. Multiplies volume by drop factor and divides by total minutes to calculate drops per minute.
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What is the formula to calculate IV flow rate in $mL/hr $ from volume in mL and time in hours?
What is the formula to calculate IV flow rate in $mL/hr $ from volume in mL and time in hours?
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$\text{mL/hr}=\frac{\text{mL}}{\text{hr}}$. Divides total volume by infusion time to determine the hourly infusion rate.
$\text{mL/hr}=\frac{\text{mL}}{\text{hr}}$. Divides total volume by infusion time to determine the hourly infusion rate.
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What is the pump rate in $mL/hr $ for $1000\ \text{mL}$ to infuse over $10\ \text{hr}$?
What is the pump rate in $mL/hr $ for $1000\ \text{mL}$ to infuse over $10\ \text{hr}$?
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$100\ \text{mL/hr}$. Divides total volume by hours to yield the rate, as $1000 \div 10 = 100$.
$100\ \text{mL/hr}$. Divides total volume by hours to yield the rate, as $1000 \div 10 = 100$.
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What is the volume infused in mL after $2\ \text{hr}$ at $75\ \text{mL/hr}$?
What is the volume infused in mL after $2\ \text{hr}$ at $75\ \text{mL/hr}$?
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$150\ \text{mL}$. Multiplies rate by time to find volume, as $75 \times 2 = 150$.
$150\ \text{mL}$. Multiplies rate by time to find volume, as $75 \times 2 = 150$.
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What is the drip rate in $gtt/min $ for $80\ \text{mL/hr}$ using microdrip tubing ($60\ \text{gtt/mL}$)?
What is the drip rate in $gtt/min $ for $80\ \text{mL/hr}$ using microdrip tubing ($60\ \text{gtt/mL}$)?
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$80\ \text{gtt/min}$. For microdrip, gtt/min equals mL/hr, as $80 = 80$.
$80\ \text{gtt/min}$. For microdrip, gtt/min equals mL/hr, as $80 = 80$.
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What is the drip rate in $gtt/min $ for $100\ \text{mL/hr}$ using microdrip tubing ($60\ \text{gtt/mL}$)?
What is the drip rate in $gtt/min $ for $100\ \text{mL/hr}$ using microdrip tubing ($60\ \text{gtt/mL}$)?
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$100\ \text{gtt/min}$. For microdrip, gtt/min equals mL/hr, as $100 = 100$.
$100\ \text{gtt/min}$. For microdrip, gtt/min equals mL/hr, as $100 = 100$.
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What is the pump rate in $mL/hr $ for $360\ \text{mL}$ to infuse over $3\ \text{hr}$?
What is the pump rate in $mL/hr $ for $360\ \text{mL}$ to infuse over $3\ \text{hr}$?
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$120\ \text{mL/hr}$. Divides total volume by hours to yield the rate, as $360 \div 3 = 120$.
$120\ \text{mL/hr}$. Divides total volume by hours to yield the rate, as $360 \div 3 = 120$.
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