IV Flow Rates & IV Medication Dosage Calculation Practice Exam Quiz
A physician orders 1,000 mL of D5W to be infused over 8 hours. What is the IV flow rate in mL/hr?
100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 200 mL/hr
An order states: Administer 500 mL of NS over 4 hours. What is the IV flow rate in mL/hr?
100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 175 mL/hr
A client is to receive 250 mL of a medication over 2 hours using an infusion pump. What is the flow rate in mL/hr?
100 mL/hr
B. 125 mL/hr
C. 250 mL/hr
D. 300 mL/hr
The order reads: Infuse 1,000 mL of NS over 10 hours. Calculate the flow rate in drops per minute (gtt/min) if the drop factor is 15 gtt/mL.
15 gtt/min
B. 20 gtt/min
C. 25 gtt/min
D. 30 gtt/min
How many milliliters are required to deliver a medication if the dose is 50 mg and the concentration is 25 mg/mL?
1 mL
B. 2 mL
C. 3 mL
D. 4 mL
A prescription requires administering 75 mL/hr for 6 hours. How much fluid will the patient receive in total?
400 mL
B. 450 mL
C. 500 mL
D. 600 mL
A nurse is to administer 250 mL of an antibiotic over 2 hours. The drop factor is 20 gtt/mL. Calculate the flow rate in gtt/min.
20 gtt/min
B. 25 gtt/min
C. 42 gtt/min
D. 50 gtt/min
A patient is prescribed 1,500 mL of D5NS over 12 hours. What is the IV flow rate in mL/hr?
100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 175 mL/hr
An infusion is ordered to deliver 100 mL/hr with a drop factor of 10 gtt/mL. What is the flow rate in gtt/min?
10 gtt/min
B. 15 gtt/min
C. 17 gtt/min
D. 20 gtt/min
A patient is prescribed 500 mL of NS to infuse over 4 hours. What is the IV flow rate in mL/hr?
100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 200 mL/hr
If the dose of a drug is 250 mg and the available solution is 500 mg/10 mL, how many milliliters will you administer?
5 mL
B. 10 mL
C. 15 mL
D. 20 mL
The doctor orders 0.5 L of NS to be infused over 6 hours. Calculate the flow rate in mL/hr.
75 mL/hr
B. 80 mL/hr
C. 83.3 mL/hr
D. 90 mL/hr
A patient is ordered to receive 2 g of a medication. The medication is available as 1 g/5 mL. How many milliliters will you administer?
5 mL
B. 10 mL
C. 15 mL
D. 20 mL
An infusion of 250 mL is to be given over 3 hours. The drop factor is 15 gtt/mL. What is the flow rate in gtt/min?
15 gtt/min
B. 20 gtt/min
C. 21 gtt/min
D. 25 gtt/min
The nurse is to administer 100 mL/hr for 8 hours. How many mL will the patient receive in total?
700 mL
B. 800 mL
C. 850 mL
D. 900 mL
A prescription states: Administer 250 mL of IV fluid over 4 hours. What is the IV flow rate in mL/hr?
50 mL/hr
B. 62.5 mL/hr
C. 70 mL/hr
D. 80 mL/hr
The doctor prescribes 1 L of LR to be infused over 10 hours. What is the IV flow rate in mL/hr?
80 mL/hr
B. 90 mL/hr
C. 100 mL/hr
D. 120 mL/hr
A medication is prescribed as 1.5 g, but the vial contains 750 mg/3 mL. How many mL will you administer?
3 mL
B. 6 mL
C. 9 mL
D. 12 mL
A patient is prescribed 200 mL of a medication over 2 hours. The drop factor is 20 gtt/mL. Calculate the IV flow rate in gtt/min.
25 gtt/min
B. 30 gtt/min
C. 33 gtt/min
D. 35 gtt/min
An order is given for 500 mL of fluid over 5 hours. What is the IV flow rate in mL/hr?
80 mL/hr
B. 90 mL/hr
C. 100 mL/hr
D. 120 mL/hr
An order states: Administer 1,200 mL of D5W over 24 hours using an infusion pump. What is the flow rate in mL/hr?
25 mL/hr
B. 50 mL/hr
C. 75 mL/hr
D. 100 mL/hr
A patient is prescribed 100 mL of medication to be infused over 45 minutes. Calculate the flow rate in mL/hr.
100 mL/hr
B. 125 mL/hr
C. 133 mL/hr
D. 150 mL/hr
The order is to infuse 800 mL of IV fluid over 16 hours. What is the flow rate in mL/hr?
40 mL/hr
B. 50 mL/hr
C. 60 mL/hr
D. 80 mL/hr
A medication order requires administering 2 g of a drug available in 500 mg/5 mL. How many mL will you administer?
10 mL
B. 15 mL
C. 20 mL
D. 25 mL
A nurse is to administer 1,000 mL of LR over 12 hours. The drop factor is 20 gtt/mL. Calculate the flow rate in gtt/min.
20 gtt/min
B. 25 gtt/min
C. 27 gtt/min
D. 30 gtt/min
The doctor orders 500 mL of NS to be infused at 125 mL/hr. How long will it take to complete the infusion?
3 hours
B. 4 hours
C. 5 hours
D. 6 hours
A prescription requires delivering 400 mL of IV fluid in 5 hours. What is the flow rate in mL/hr?
60 mL/hr
B. 70 mL/hr
C. 80 mL/hr
D. 90 mL/hr
A medication is available as 10 mg/mL. How many mL will you administer for a dose of 25 mg?
2.5 mL
B. 5 mL
C. 7.5 mL
D. 10 mL
An IV infusion of 1,200 mL is ordered over 10 hours. What is the IV flow rate in mL/hr?
100 mL/hr
B. 110 mL/hr
C. 120 mL/hr
D. 130 mL/hr
The order is to administer 1.5 L of D5W over 12 hours. The drop factor is 15 gtt/mL. Calculate the flow rate in gtt/min.
25 gtt/min
B. 31 gtt/min
C. 35 gtt/min
D. 38 gtt/min
A physician orders 2 g of a medication to be diluted in 500 mL of NS and infused over 4 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 175 mL/hr
The order is to administer 50 mL/hr of IV fluid using a microdrip set with a drop factor of 60 gtt/mL. What is the flow rate in gtt/min?
30 gtt/min
B. 40 gtt/min
C. 50 gtt/min
D. 60 gtt/min
A nurse is to give 1.5 L of IV fluid over 24 hours using an infusion pump. What is the flow rate in mL/hr?
50 mL/hr
B. 60 mL/hr
C. 65 mL/hr
D. 70 mL/hr
The doctor orders 1 g of a medication to be infused over 2 hours. The solution contains 2 g in 500 mL. What is the flow rate in mL/hr?
100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 250 mL/hr
The order is to infuse 600 mL of D5W over 3 hours. What is the flow rate in mL/hr?
150 mL/hr
B. 175 mL/hr
C. 200 mL/hr
D. 250 mL/hr
A nurse is to administer 500 mL of IV fluid over 8 hours. The drop factor is 15 gtt/mL. What is the flow rate in gtt/min?
10 gtt/min
B. 15 gtt/min
C. 16 gtt/min
D. 20 gtt/min
A patient is prescribed 1 g of medication. The medication is available in a concentration of 500 mg/10 mL. How many milliliters will you administer?
10 mL
B. 15 mL
C. 20 mL
D. 25 mL
The order is to infuse 750 mL of IV fluid over 6 hours. The drop factor is 20 gtt/mL. Calculate the flow rate in gtt/min.
30 gtt/min
B. 35 gtt/min
C. 40 gtt/min
D. 42 gtt/min
A medication is ordered as 800 mg. The vial contains 400 mg/5 mL. How many mL will you administer?
5 mL
B. 10 mL
C. 15 mL
D. 20 mL
A physician prescribes 2,000 mL of LR to infuse over 24 hours. What is the IV flow rate in mL/hr?
75 mL/hr
B. 80 mL/hr
C. 83.3 mL/hr
D. 90 mL/hr
The order is to administer 1,250 mL of IV fluid over 10 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 110 mL/hr
C. 125 mL/hr
D. 130 mL/hr
A medication order requires administering 2 g of a drug over 4 hours. The medication is diluted in 1,000 mL of NS. What is the flow rate in mL/hr?
200 mL/hr
B. 250 mL/hr
C. 300 mL/hr
D. 400 mL/hr
The doctor orders 1 L of D5NS to be infused over 8 hours. The drop factor is 10 gtt/mL. Calculate the flow rate in gtt/min.
15 gtt/min
B. 20 gtt/min
C. 25 gtt/min
D. 30 gtt/min
The nurse is to administer 500 mL of D5W at a rate of 75 mL/hr. How long will the infusion take to complete?
5 hours
B. 6 hours
C. 6.5 hours
D. 7 hours
A physician prescribes 1,500 mL of LR over 24 hours using a microdrip set (drop factor = 60 gtt/mL). What is the flow rate in gtt/min?
40 gtt/min
B. 42 gtt/min
C. 60 gtt/min
D. 62 gtt/min
The order is to administer 2 g of a medication available as 1 g/5 mL. How many mL will you administer?
5 mL
B. 10 mL
C. 15 mL
D. 20 mL
A prescription states: Administer 800 mL of NS over 4 hours. What is the flow rate in mL/hr?
175 mL/hr
B. 180 mL/hr
C. 190 mL/hr
D. 200 mL/hr
A nurse is to infuse 1,200 mL of IV fluid over 12 hours using an infusion pump. What is the flow rate in mL/hr?
80 mL/hr
B. 90 mL/hr
C. 100 mL/hr
D. 110 mL/hr
A medication order requires 750 mg of a drug available as 250 mg/5 mL. How many mL will you administer?
10 mL
B. 15 mL
C. 20 mL
D. 25 mL
An order is given to infuse 600 mL of NS over 3 hours using a drop factor of 15 gtt/mL. Calculate the flow rate in gtt/min.
45 gtt/min
B. 50 gtt/min
C. 55 gtt/min
D. 60 gtt/min
The doctor orders 1,800 mL of D5W to be infused over 12 hours. What is the flow rate in mL/hr?
125 mL/hr
B. 150 mL/hr
C. 175 mL/hr
D. 200 mL/hr
A physician orders 1.2 L of IV fluids over 10 hours. Calculate the flow rate in mL/hr.
110 mL/hr
B. 115 mL/hr
C. 120 mL/hr
D. 125 mL/hr
A patient requires 250 mL of IV antibiotics to be infused over 2 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 175 mL/hr
An order is given to infuse 500 mL of NS over 4 hours using a drop factor of 15 gtt/mL. What is the flow rate in gtt/min?
25 gtt/min
B. 30 gtt/min
C. 35 gtt/min
D. 40 gtt/min
A nurse is to administer 100 mL/hr of IV fluids. Using a microdrip set (60 gtt/mL), what is the flow rate in gtt/min?
60 gtt/min
B. 100 gtt/min
C. 120 gtt/min
D. 150 gtt/min
A medication order requires 1 g of a drug diluted in 250 mL of D5W to be infused over 2 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 200 mL/hr
The order is for 800 mL of LR over 8 hours. Calculate the flow rate in mL/hr.
80 mL/hr
B. 90 mL/hr
C. 100 mL/hr
D. 110 mL/hr
A doctor prescribes 1,000 mL of D5NS to be infused over 5 hours using a drop factor of 20 gtt/mL. What is the flow rate in gtt/min?
60 gtt/min
B. 65 gtt/min
C. 67 gtt/min
D. 70 gtt/min
The physician orders 2,400 mL of IV fluids over 24 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 175 mL/hr
A patient is prescribed 600 mg of a medication. The vial contains 300 mg/5 mL. How many mL will you administer?
5 mL
B. 10 mL
C. 15 mL
D. 20 mL
A nurse needs to infuse 750 mL of NS over 6 hours. Calculate the flow rate in mL/hr.
100 mL/hr
B. 110 mL/hr
C. 120 mL/hr
D. 125 mL/hr
The doctor orders 2 g of medication to be infused over 2 hours. The medication is diluted in 500 mL of NS. What is the flow rate in mL/hr?
100 mL/hr
B. 200 mL/hr
C. 250 mL/hr
D. 500 mL/hr
A nurse is to administer 1.5 L of IV fluids over 12 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 120 mL/hr
C. 125 mL/hr
D. 150 mL/hr
The prescription requires 50 mL/hr of an infusion using a microdrip set (drop factor = 60 gtt/mL). What is the flow rate in gtt/min?
50 gtt/min
B. 60 gtt/min
C. 70 gtt/min
D. 80 gtt/min
A patient requires 1,200 mL of D5W over 8 hours. Calculate the flow rate in mL/hr.
100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 175 mL/hr
The doctor orders 2.5 g of a medication diluted in 1,000 mL of NS to be infused over 10 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 175 mL/hr
A nurse is to infuse 900 mL of LR over 9 hours using a drop factor of 15 gtt/mL. What is the flow rate in gtt/min?
20 gtt/min
B. 25 gtt/min
C. 30 gtt/min
D. 35 gtt/min
The order is for 3 g of medication to be diluted in 1 L of NS and infused over 8 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 120 mL/hr
C. 125 mL/hr
D. 150 mL/hr
A physician orders 1 g of medication. The vial contains 500 mg/10 mL. How many mL will you administer?
10 mL
B. 15 mL
C. 20 mL
D. 25 mL
The order is to administer 600 mL of D5NS over 6 hours using a drop factor of 20 gtt/mL. Calculate the flow rate in gtt/min.
30 gtt/min
B. 35 gtt/min
C. 40 gtt/min
D. 50 gtt/min
The physician orders 1,500 mL of D5W to be infused over 10 hours. What is the flow rate in mL/hr?
125 mL/hr
B. 130 mL/hr
C. 150 mL/hr
D. 180 mL/hr
A patient is to receive 1 g of medication diluted in 200 mL of normal saline to be infused over 4 hours. What is the flow rate in mL/hr?
40 mL/hr
B. 50 mL/hr
C. 60 mL/hr
D. 70 mL/hr
The doctor orders an infusion of 800 mL of D5W over 8 hours. What is the flow rate in mL/hr?
85 mL/hr
B. 100 mL/hr
C. 120 mL/hr
D. 130 mL/hr
A medication is ordered to be infused at 5 mg/min. If the drug concentration is 50 mg/2 mL, how many mL will you administer per minute?
0.2 mL
B. 0.4 mL
C. 0.5 mL
D. 0.6 mL
The prescription is for 1 L of D5W to be infused over 12 hours. The drop factor is 15 gtt/mL. What is the flow rate in gtt/min?
10 gtt/min
B. 15 gtt/min
C. 20 gtt/min
D. 25 gtt/min
The physician orders 1,200 mL of NS to be infused over 8 hours. What is the flow rate in mL/hr?
125 mL/hr
B. 150 mL/hr
C. 175 mL/hr
D. 200 mL/hr
The doctor orders 500 mL of IV fluid to be administered over 4 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 200 mL/hr
A patient is prescribed 2 mg of a drug to be given as an IV push. The drug is available in a 5 mg/mL concentration. How many mL will you administer?
0.2 mL
B. 0.4 mL
C. 0.5 mL
D. 1 mL
The doctor orders an IV infusion of 2,000 mL of D5NS to be administered over 24 hours. What is the flow rate in mL/hr?
80 mL/hr
B. 85 mL/hr
C. 90 mL/hr
D. 100 mL/hr
A patient requires 600 mg of a drug. The vial contains 200 mg/10 mL. How many mL will you administer?
20 mL
B. 30 mL
C. 40 mL
D. 50 mL
The doctor prescribes 1,500 mL of NS to be infused over 10 hours. What is the flow rate in mL/hr?
125 mL/hr
B. 150 mL/hr
C. 175 mL/hr
D. 200 mL/hr
A medication requires infusion of 500 mg over 5 hours. The medication is available as 100 mg/5 mL. How many mL will you administer per hour?
20 mL/hr
B. 25 mL/hr
C. 30 mL/hr
D. 35 mL/hr
A physician orders 1.5 g of medication diluted in 500 mL of NS to be infused over 6 hours. What is the flow rate in mL/hr?
75 mL/hr
B. 100 mL/hr
C. 125 mL/hr
D. 150 mL/hr
A patient is to receive 4 mg of a drug, available as 2 mg/mL. How many mL will you administer?
1 mL
B. 2 mL
C. 3 mL
D. 4 mL
The doctor orders 500 mL of D5W to be infused over 4 hours. Using a microdrip set (60 gtt/mL), what is the flow rate in gtt/min?
75 gtt/min
B. 80 gtt/min
C. 85 gtt/min
D. 90 gtt/min
The prescription calls for 1,000 mL of NS over 8 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 110 mL/hr
C. 120 mL/hr
D. 125 mL/hr
A nurse is to administer 500 mL of IV fluid over 5 hours. What is the flow rate in mL/hr?
90 mL/hr
B. 100 mL/hr
C. 110 mL/hr
D. 120 mL/hr
A patient is prescribed 1,000 mL of D5W to be infused over 12 hours. Using a drop factor of 10 gtt/mL, what is the flow rate in gtt/min?
10 gtt/min
B. 15 gtt/min
C. 20 gtt/min
D. 25 gtt/min
The doctor prescribes 2,500 mL of IV fluid over 24 hours. What is the flow rate in mL/hr?
90 mL/hr
B. 100 mL/hr
C. 110 mL/hr
D. 120 mL/hr
The doctor orders an infusion of 1,200 mL of NS over 12 hours. What is the flow rate in mL/hr?
90 mL/hr
B. 100 mL/hr
C. 110 mL/hr
D. 120 mL/hr
A prescription calls for 200 mg of a drug to be infused over 30 minutes. The drug is available as 50 mg/mL. How many mL will you administer?
2 mL
B. 3 mL
C. 4 mL
D. 5 mL
A doctor prescribes 500 mL of D5W to be administered over 4 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 175 mL/hr
A patient requires 400 mL of NS over 4 hours. What is the flow rate in mL/hr?
80 mL/hr
B. 90 mL/hr
C. 100 mL/hr
D. 110 mL/hr
The order is to administer 1,000 mL of D5W over 8 hours. What is the flow rate in mL/hr?
120 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 200 mL/hr
A medication order requires the administration of 400 mg of a drug over 4 hours. The medication is available in a concentration of 100 mg/5 mL. How many mL will you administer per hour?
10 mL/hr
B. 12 mL/hr
C. 15 mL/hr
D. 20 mL/hr
The doctor orders 1,000 mL of saline to be infused over 12 hours. The drop factor is 15 gtt/mL. What is the flow rate in gtt/min?
12 gtt/min
B. 15 gtt/min
C. 20 gtt/min
D. 25 gtt/min
A patient is to receive 1,500 mL of IV fluids over 24 hours. The drop factor is 10 gtt/mL. What is the flow rate in gtt/min?
10 gtt/min
B. 12 gtt/min
C. 15 gtt/min
D. 20 gtt/min
A physician orders 300 mg of a drug to be administered over 2 hours. The drug is available as 100 mg/5 mL. How many mL will you administer per hour?
10 mL/hr
B. 15 mL/hr
C. 20 mL/hr
D. 25 mL/hr
A doctor orders 800 mL of D5W to be infused over 8 hours. What is the flow rate in mL/hr?
85 mL/hr
B. 100 mL/hr
C. 110 mL/hr
D. 120 mL/hr
A medication is prescribed to be given as 3 mg/min. If the drug concentration is 50 mg/2 mL, how many mL will you administer per minute?
0.2 mL
B. 0.3 mL
C. 0.4 mL
D. 0.5 mL
The physician orders 500 mL of NS to be infused over 5 hours. Using a drop factor of 15 gtt/mL, what is the flow rate in gtt/min?
50 gtt/min
B. 60 gtt/min
C. 75 gtt/min
D. 90 gtt/min
The doctor orders an infusion of 1,000 mL of D5W over 10 hours. What is the flow rate in mL/hr?
90 mL/hr
B. 100 mL/hr
C. 110 mL/hr
D. 120 mL/hr
A medication order calls for 600 mg to be infused over 6 hours. The medication is available in a concentration of 100 mg/5 mL. How many mL will you administer per hour?
20 mL/hr
B. 25 mL/hr
C. 30 mL/hr
D. 35 mL/hr
The doctor orders 500 mL of D5W to be infused over 4 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 200 mL/hr
A prescription calls for 1,500 mL of D5W to be infused over 24 hours. Using a drop factor of 20 gtt/mL, what is the flow rate in gtt/min?
10 gtt/min
B. 12 gtt/min
C. 20 gtt/min
D. 25 gtt/min
The physician orders 1,000 mL of saline to be infused over 8 hours. Using a drop factor of 10 gtt/mL, what is the flow rate in gtt/min?
12 gtt/min
B. 15 gtt/min
C. 20 gtt/min
D. 25 gtt/min
A patient requires 250 mg of a drug. The drug is available as 50 mg/mL. How many mL will you administer?
3 mL
B. 4 mL
C. 5 mL
D. 6 mL
The doctor orders 1,000 mL of D5W to be infused over 12 hours. What is the flow rate in mL/hr?
80 mL/hr
B. 90 mL/hr
C. 100 mL/hr
D. 110 mL/hr
The doctor orders 1,200 mL of NS to be infused over 10 hours. What is the flow rate in mL/hr?
110 mL/hr
B. 120 mL/hr
C. 130 mL/hr
D. 140 mL/hr
The order is for 1,500 mL of D5W to be infused over 24 hours. Using a drop factor of 15 gtt/mL, what is the flow rate in gtt/min?
12 gtt/min
B. 15 gtt/min
C. 20 gtt/min
D. 25 gtt/min
A prescription calls for 400 mg of medication to be infused over 4 hours. The medication is available in a concentration of 100 mg/5 mL. How many mL will you administer per hour?
10 mL/hr
B. 15 mL/hr
C. 20 mL/hr
D. 25 mL/hr
A doctor orders 500 mL of D5W to be infused over 5 hours. What is the flow rate in mL/hr?
90 mL/hr
B. 100 mL/hr
C. 110 mL/hr
D. 120 mL/hr
A patient requires 500 mg of medication. The drug is available as 100 mg/5 mL. How many mL will you administer?
10 mL
B. 15 mL
C. 20 mL
D. 25 mL
The doctor orders 2,000 mL of saline to be infused over 24 hours. The drop factor is 15 gtt/mL. What is the flow rate in gtt/min?
15 gtt/min
B. 20 gtt/min
C. 25 gtt/min
D. 30 gtt/min
A physician orders 1,200 mL of NS to be infused over 6 hours. Using a drop factor of 20 gtt/mL, what is the flow rate in gtt/min?
20 gtt/min
B. 40 gtt/min
C. 60 gtt/min
D. 80 gtt/min
The doctor prescribes 800 mg of medication to be infused over 4 hours. The concentration of the drug is 100 mg/5 mL. How many mL will you administer per hour?
20 mL/hr
B. 25 mL/hr
C. 30 mL/hr
D. 35 mL/hr
The prescription calls for 2,000 mL of D5W to be infused over 20 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 110 mL/hr
C. 120 mL/hr
D. 125 mL/hr
A medication order requires 150 mg of a drug to be infused over 2 hours. The concentration is 50 mg/mL. How many mL will you administer per hour?
3 mL/hr
B. 4 mL/hr
C. 5 mL/hr
D. 6 mL/hr
A doctor orders 1,500 mL of saline to be infused over 12 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 110 mL/hr
C. 120 mL/hr
D. 130 mL/hr
The doctor orders 2,000 mL of NS to be infused over 10 hours. What is the flow rate in mL/hr?
150 mL/hr
B. 160 mL/hr
C. 170 mL/hr
D. 180 mL/hr
The doctor orders 1,000 mL of saline to be infused over 10 hours. The drop factor is 12 gtt/mL. What is the flow rate in gtt/min?
10 gtt/min
B. 12 gtt/min
C. 15 gtt/min
D. 20 gtt/min
A medication order calls for 2 mg/min of a drug. The concentration of the drug is 50 mg/5 mL. How many mL per minute should be administered?
0.1 mL/min
B. 0.2 mL/min
C. 0.3 mL/min
D. 0.4 mL/min
The physician orders 1,500 mL of D5W to be infused over 24 hours. The drop factor is 10 gtt/mL. What is the flow rate in gtt/min?
8 gtt/min
B. 10 gtt/min
C. 12 gtt/min
D. 15 gtt/min
A patient is prescribed 500 mg of medication, and the concentration is 50 mg/mL. How many mL should be administered?
5 mL
B. 10 mL
C. 15 mL
D. 20 mL
The doctor orders 1,000 mL of NS to be infused over 8 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 110 mL/hr
C. 120 mL/hr
D. 125 mL/hr
A physician orders 2,000 mL of IV fluids to be infused over 24 hours. The drop factor is 15 gtt/mL. What is the flow rate in gtt/min?
10 gtt/min
B. 12 gtt/min
C. 15 gtt/min
D. 20 gtt/min
A prescription calls for 500 mg of medication to be infused over 4 hours. The concentration of the drug is 100 mg/5 mL. How many mL per hour should be administered?
10 mL/hr
B. 15 mL/hr
C. 20 mL/hr
D. 25 mL/hr
The doctor orders 1,000 mL of D5W to be infused over 10 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 110 mL/hr
C. 120 mL/hr
D. 125 mL/hr
A doctor orders 1,200 mL of NS to be infused over 6 hours. The drop factor is 10 gtt/mL. What is the flow rate in gtt/min?
25 gtt/min
B. 30 gtt/min
C. 35 gtt/min
D. 40 gtt/min
A patient is prescribed 100 mg of medication, and the concentration is 50 mg/2 mL. How many mL should be administered?
2 mL
B. 3 mL
C. 4 mL
D. 5 mL
A physician orders 1,000 mL of saline to be infused over 5 hours. The drop factor is 12 gtt/mL. What is the flow rate in gtt/min?
20 gtt/min
B. 24 gtt/min
C. 30 gtt/min
D. 35 gtt/min
The doctor orders 750 mL of NS to be infused over 6 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 175 mL/hr
The physician orders 1,500 mL of saline to be infused over 12 hours. The drop factor is 20 gtt/mL. What is the flow rate in gtt/min?
15 gtt/min
B. 20 gtt/min
C. 25 gtt/min
D. 30 gtt/min
The doctor orders an infusion of 1,000 mL over 10 hours. The drop factor is 15 gtt/mL. What is the flow rate in gtt/min?
15 gtt/min
B. 20 gtt/min
C. 25 gtt/min
D. 30 gtt/min
A patient is prescribed 300 mg of medication, and the concentration is 50 mg/2 mL. How many mL should be administered?
4 mL
B. 5 mL
C. 6 mL
D. 7 mL
The doctor orders 2,000 mL of saline to be infused over 24 hours. What is the flow rate in mL/hr?
75 mL/hr
B. 80 mL/hr
C. 85 mL/hr
D. 90 mL/hr
The physician orders 1,000 mL of D5W to be infused over 8 hours. The drop factor is 15 gtt/mL. What is the flow rate in gtt/min?
15 gtt/min
B. 20 gtt/min
C. 25 gtt/min
D. 30 gtt/min
A patient requires 400 mg of a drug. The concentration of the drug is 100 mg/5 mL. How many mL will you administer?
10 mL
B. 15 mL
C. 20 mL
D. 25 mL
The doctor orders 1,200 mL of D5W to be infused over 12 hours. The drop factor is 10 gtt/mL. What is the flow rate in gtt/min?
12 gtt/min
B. 15 gtt/min
C. 20 gtt/min
D. 25 gtt/min
The doctor prescribes 500 mg of a drug to be infused over 5 hours. The concentration of the drug is 100 mg/5 mL. How many mL per hour will be administered?
10 mL/hr
B. 15 mL/hr
C. 20 mL/hr
D. 25 mL/hr
A patient requires 1,500 mL of IV fluids over 24 hours. The drop factor is 10 gtt/mL. What is the flow rate in gtt/min?
6 gtt/min
B. 8 gtt/min
C. 10 gtt/min
D. 12 gtt/min
A doctor orders 750 mL of NS to be infused over 12 hours. What is the flow rate in mL/hr?
50 mL/hr
B. 55 mL/hr
C. 60 mL/hr
D. 65 mL/hr
The doctor orders 1,000 mL of NS to be infused over 4 hours. What is the flow rate in mL/hr?
200 mL/hr
B. 250 mL/hr
C. 300 mL/hr
D. 350 mL/hr
The prescription calls for 100 mg of medication, and the concentration is 50 mg/2 mL. How many mL will you administer?
2 mL
B. 3 mL
C. 4 mL
D. 5 mL
A doctor orders 2,000 mL of saline to be infused over 20 hours. The drop factor is 15 gtt/mL. What is the flow rate in gtt/min?
10 gtt/min
B. 12 gtt/min
C. 15 gtt/min
D. 18 gtt/min
A medication order requires 200 mg of a drug to be infused over 2 hours. The concentration of the drug is 100 mg/5 mL. How many mL per hour should be administered?
5 mL/hr
B. 10 mL/hr
C. 15 mL/hr
D. 20 mL/hr
The doctor orders 1,500 mL of NS to be infused over 15 hours. The drop factor is 20 gtt/mL. What is the flow rate in gtt/min?
12 gtt/min
B. 15 gtt/min
C. 20 gtt/min
D. 25 gtt/min
A prescription calls for 500 mg of a drug. The concentration is 50 mg/5 mL. How many mL will you administer?
5 mL
B. 10 mL
C. 15 mL
D. 20 mL
The doctor orders 1,000 mL of NS to be infused over 10 hours. The drop factor is 20 gtt/mL. What is the flow rate in gtt/min?
15 gtt/min
B. 20 gtt/min
C. 25 gtt/min
D. 30 gtt/min
A patient requires 200 mg of a drug. The concentration of the drug is 100 mg/5 mL. How many mL should be administered?
5 mL
B. 6 mL
C. 7 mL
D. 8 mL
The doctor orders 1,000 mL of D5W to be infused over 6 hours. The drop factor is 15 gtt/mL. What is the flow rate in gtt/min?
20 gtt/min
B. 25 gtt/min
C. 30 gtt/min
D. 35 gtt/min
A prescription calls for 1,500 mg of a medication. The concentration is 100 mg/mL. How many mL should be administered?
10 mL
B. 15 mL
C. 20 mL
D. 25 mL
The doctor orders 1,000 mL of NS to be infused over 12 hours. What is the flow rate in mL/hr?
50 mL/hr
B. 60 mL/hr
C. 80 mL/hr
D. 100 mL/hr
The doctor orders 750 mL of IV fluids to be infused over 5 hours. What is the flow rate in mL/hr?
125 mL/hr
B. 150 mL/hr
C. 175 mL/hr
D. 200 mL/hr
A physician orders 500 mg of a drug to be infused over 4 hours. The concentration is 100 mg/5 mL. How many mL per hour should be administered?
5 mL/hr
B. 10 mL/hr
C. 15 mL/hr
D. 20 mL/hr
The doctor orders 2,000 mL of saline to be infused over 24 hours. The drop factor is 15 gtt/mL. What is the flow rate in gtt/min?
10 gtt/min
B. 12 gtt/min
C. 15 gtt/min
D. 20 gtt/min
A doctor orders 500 mL of IV fluids to be infused over 4 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 125 mL/hr
C. 150 mL/hr
D. 200 mL/hr
A physician orders 1,000 mL of saline to be infused over 8 hours. The drop factor is 10 gtt/mL. What is the flow rate in gtt/min?
10 gtt/min
B. 15 gtt/min
C. 20 gtt/min
D. 25 gtt/min
The doctor orders 500 mL of D5W to be infused over 5 hours. What is the flow rate in mL/hr?
75 mL/hr
B. 100 mL/hr
C. 125 mL/hr
D. 150 mL/hr
A physician orders 2,000 mL of NS to be infused over 18 hours. The drop factor is 20 gtt/mL. What is the flow rate in gtt/min?
18 gtt/min
B. 20 gtt/min
C. 22 gtt/min
D. 24 gtt/min
A doctor prescribes 250 mg of a medication, and the concentration is 50 mg/5 mL. How many mL will you administer?
5 mL
B. 10 mL
C. 15 mL
D. 20 mL
The doctor orders 500 mL of saline to be infused over 4 hours. What is the flow rate in gtt/min, assuming the drop factor is 12 gtt/mL?
10 gtt/min
B. 12 gtt/min
C. 15 gtt/min
D. 20 gtt/min
A doctor orders 1,500 mL of IV fluids to be infused over 12 hours. What is the flow rate in mL/hr?
125 mL/hr
B. 150 mL/hr
C. 175 mL/hr
D. 200 mL/hr
The physician orders 1,000 mL of IV fluids to be infused over 8 hours. The drop factor is 15 gtt/mL. What is the flow rate in gtt/min?
20 gtt/min
B. 25 gtt/min
C. 30 gtt/min
D. 35 gtt/min
The doctor orders 2,000 mL of saline to be infused over 20 hours. The drop factor is 20 gtt/mL. What is the flow rate in gtt/min?
15 gtt/min
B. 18 gtt/min
C. 20 gtt/min
D. 25 gtt/min
A patient is prescribed 100 mg of a drug, and the concentration is 50 mg/2 mL. How many mL will be administered?
1 mL
B. 2 mL
C. 3 mL
D. 4 mL
A doctor orders 1,000 mL of D5W to be infused over 5 hours. The drop factor is 10 gtt/mL. What is the flow rate in gtt/min?
20 gtt/min
B. 25 gtt/min
C. 30 gtt/min
D. 35 gtt/min
The doctor orders 1,000 mL of saline to be infused over 12 hours. What is the flow rate in mL/hr?
50 mL/hr
B. 75 mL/hr
C. 100 mL/hr
D. 125 mL/hr
A doctor orders 1,200 mL of IV fluids to be infused over 10 hours. The drop factor is 15 gtt/mL. What is the flow rate in gtt/min?
20 gtt/min
B. 25 gtt/min
C. 30 gtt/min
D. 35 gtt/min
A patient is prescribed 300 mg of medication, and the concentration is 50 mg/2 mL. How many mL should be administered?
6 mL
B. 8 mL
C. 10 mL
D. 12 mL
A physician orders 2,000 mL of saline to be infused over 12 hours. The drop factor is 20 gtt/mL. What is the flow rate in gtt/min?
25 gtt/min
B. 30 gtt/min
C. 35 gtt/min
D. 40 gtt/min
A prescription calls for 1,000 mg of a drug, and the concentration is 50 mg/5 mL. How many mL should be administered?
5 mL
B. 10 mL
C. 15 mL
D. 20 mL
The doctor orders 750 mL of IV fluids to be infused over 4 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 150 mL/hr
C. 200 mL/hr
D. 250 mL/hr
The doctor orders 500 mL of saline to be infused over 5 hours. The drop factor is 15 gtt/mL. What is the flow rate in gtt/min?
10 gtt/min
B. 12 gtt/min
C. 15 gtt/min
D. 20 gtt/min
A physician orders 1,000 mL of D5W to be infused over 10 hours. The drop factor is 15 gtt/mL. What is the flow rate in gtt/min?
15 gtt/min
B. 20 gtt/min
C. 25 gtt/min
D. 30 gtt/min
A patient requires 300 mg of medication, and the concentration is 50 mg/5 mL. How many mL should be administered?
5 mL
B. 10 mL
C. 15 mL
D. 20 mL
The doctor orders 500 mL of IV fluids to be infused over 6 hours. What is the flow rate in mL/hr?
50 mL/hr
B. 75 mL/hr
C. 100 mL/hr
D. 125 mL/hr
A doctor orders 1,000 mL of saline to be infused over 8 hours. What is the flow rate in mL/hr?
100 mL/hr
B. 120 mL/hr
C. 150 mL/hr
D. 175 mL/hr
A physician orders 2,500 mL of fluids to be infused over 12 hours. The drop factor is 20 gtt/mL. What is the flow rate in gtt/min?
25 gtt/min
B. 30 gtt/min
C. 35 gtt/min
D. 40 gtt/min
A doctor orders 250 mg of medication to be administered. The concentration is 50 mg/2 mL. How many mL should be administered?
5 mL
B. 10 mL
C. 15 mL
D. 20 mL
Questions and Answers For Study Guide
Explain the importance of accurate IV medication dosage calculations and the potential risks associated with errors in calculation.
Answer:
Accurate IV medication dosage calculations are crucial to ensure that patients receive the correct amount of medication or fluids. Errors in calculations can lead to underdosing, which can result in ineffective treatment, or overdosing, which can cause adverse drug reactions or toxicity. Both scenarios can lead to serious, potentially life-threatening complications.
For example, if a medication intended to be infused at a dose of 250 mg is miscalculated, and only 100 mg is delivered, the patient might not experience the desired therapeutic effect. On the other hand, if the dose is overcalculated and 500 mg is infused instead of 250 mg, the patient may experience harmful side effects such as allergic reactions, organ damage, or even overdose.
Additionally, incorrect calculations can lead to improper fluid administration. Too much or too little IV fluid can lead to fluid overload or dehydration, which can negatively impact organ function, especially in vulnerable populations such as the elderly, infants, or those with kidney or heart conditions.
It is essential for healthcare providers to verify calculations, double-check units of measurement, and ensure accurate documentation to minimize the risk of errors. Moreover, technology like smart pumps and automated IV medication systems can help mitigate human error and improve patient safety.
What steps should a nurse take if they notice a discrepancy in the IV flow rate or medication dosage during an infusion?
Answer:
If a nurse notices a discrepancy in the IV flow rate or medication dosage during an infusion, it is critical to address the issue immediately to prevent potential harm to the patient. The following steps should be taken:
- Stop the Infusion: If there is any suspicion that the flow rate is incorrect, or that the patient may be receiving an incorrect dosage, the first step is to stop the infusion to prevent further complications.
- Verify the Order: The nurse should verify the physician’s order to ensure that the correct volume, medication, and rate were prescribed.
- Check the Equipment: The nurse should inspect the IV pump or administration set to ensure that the correct settings are in place. If the flow rate is being manually controlled, the nurse should confirm that the IV tubing is functioning properly and that there is no obstruction or kinking in the line.
- Recalculate the Flow Rate or Dosage: Recalculate the flow rate or medication dosage using the appropriate formula to ensure that the correct rate is being administered. Double-check the units of measurement.
- Assess the Patient: The nurse should assess the patient for any signs or symptoms of over- or under-infusion, such as swelling, redness, or discomfort at the infusion site, or signs of fluid overload or dehydration.
- Notify the Physician: If the discrepancy is significant or cannot be easily corrected, the nurse should notify the physician immediately and follow their instructions.
- Document the Incident: After resolving the issue, the nurse should document the discrepancy and the actions taken to correct it in the patient’s medical records.
By following these steps, the nurse can help ensure patient safety and prevent complications arising from incorrect IV flow rates or medication dosages.
Discuss the role of technology in IV flow rate and medication dosage calculations, and how it can reduce errors.
Answer:
Technology has become an essential tool in healthcare, particularly in the area of IV flow rate and medication dosage calculations. Automated systems and smart devices can greatly reduce the risk of errors and enhance patient safety. Here are the key roles technology plays in these calculations:
- Automated IV Pumps: Modern IV pumps are designed to automatically calculate and deliver fluids or medications at precise rates. These pumps can be programmed with the correct flow rate, volume, and medication, significantly reducing the risk of human error. Some pumps also have built-in safety features, such as alarms for occlusion or flow irregularities, to alert healthcare providers to potential issues before they become serious.
- Smart Infusion Devices: Smart infusion devices integrate advanced algorithms that automatically adjust the flow rate based on the patient’s current status. These devices can be programmed to provide real-time feedback and updates to healthcare providers, improving accuracy and ensuring timely adjustments to IV infusions.
- Electronic Health Records (EHR): EHR systems often include medication and fluid order templates that automatically calculate required doses and infusion rates based on the patient’s weight, age, and medical history. These systems can cross-check the order against the patient’s medical history to flag potential drug interactions or contraindications.
- Barcoding Systems: Barcode scanning technology helps verify that the correct medication and fluid are being administered to the correct patient. By scanning the patient’s wristband and the medication bag, the system confirms that both match the doctor’s orders, reducing the risk of medication errors.
- Clinical Decision Support Systems (CDSS): These systems provide real-time recommendations and alerts to healthcare providers based on patient data and best practices. For example, if an infusion rate or medication dosage falls outside of recommended ranges, the CDSS can alert the nurse or physician, allowing for quick correction before any harm is done.
- Training Simulations and Software: Some institutions use training software or simulations to teach healthcare providers how to correctly calculate IV flow rates and medication dosages. These training programs can reinforce the importance of accuracy and allow providers to practice without putting patients at risk.
- Integration with Pharmacy Systems: When medication orders are entered into the system, they are automatically checked by the pharmacy for proper dosage and flow rate, ensuring that calculations are consistent with the patient’s treatment plan.
In conclusion, technology not only improves the accuracy of IV flow rate and medication dosage calculations but also helps create a safer environment by reducing the likelihood of errors due to human oversight, miscalculations, or missed alerts.
What factors can influence the calculation of the flow rate for IV infusion, and how can healthcare providers account for these variables?
Answer:
Several factors can influence the calculation of the flow rate for IV infusion, and it is important for healthcare providers to consider these variables to ensure accurate delivery and avoid complications. Key factors include:
- Patient’s Condition: The patient’s age, weight, fluid status, and overall health can influence how quickly or slowly an IV infusion should be administered. For instance, older adults, infants, or patients with kidney or heart conditions may need slower infusion rates to avoid complications like fluid overload.
- Type of Infusion: Different types of fluids or medications may require different flow rates. For example, fluids used for hydration may be infused at a faster rate compared to medications that need slow administration, such as chemotherapy or sedatives.
- Viscosity of the Fluid or Medication: Thicker fluids or medications, such as certain antibiotics, may require a slower infusion rate to ensure proper absorption and prevent vein irritation.
- Drop Factor of the IV Set: The drop factor, specified in gtt/mL, depends on the type of IV tubing used. A drop factor of 10 gtt/mL, 15 gtt/mL, or 20 gtt/mL can significantly impact the flow rate calculation. The nurse should ensure that the correct drop factor is used in the calculation.
- Gravity vs. Infusion Pump: If an infusion is delivered by gravity, the flow rate will depend on the position of the IV bag and the size of the IV tubing. An infusion pump, on the other hand, provides more precise control over the rate but may require adjustments if the patient’s clinical status changes.
- Patient Activity Level: If a patient is moving around or changing positions frequently, the flow rate may need to be adjusted. Movement can cause shifts in the IV line, potentially altering the rate at which fluids or medications are delivered.
- External Factors (Temperature and Environment): Extreme temperatures can affect the viscosity of medications and fluids. Cold fluids may flow more slowly than warm fluids, and extreme heat can cause degradation of certain medications.
To account for these factors, healthcare providers should:
- Regularly monitor the patient’s clinical status and adjust the flow rate accordingly.
- Ensure that the IV equipment is functioning correctly, and make adjustments for changes in the patient’s activity level or position.
- Be familiar with the specific characteristics of the medication being administered and adjust the flow rate as needed for safe and effective infusion.
By accounting for these variables, healthcare providers can ensure accurate and safe medication administration.