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A series of questions and answers related to calculating the correct flow rates and infusion times for various intravenous (iv) fluid administration scenarios. The questions cover topics such as drop rates, pump settings, and volume calculations for different types of iv solutions, including dextrose, normal saline, and packed red blood cells. Likely intended for healthcare professionals, such as nurses or pharmacy students, who need to demonstrate proficiency in performing these types of iv fluid calculations. By studying this document, users can improve their understanding of the principles and formulas involved in accurately determining iv infusion parameters to ensure safe and effective patient care.
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The doctor orders an IV infusion of D5W 1000 mL to infuse over the next 8 hours. The IV set delivers 15 gtt/min. What is the correct rate of flow? (Answer in gtt/min rounded to the nearest whole number). a. 16 gtt/min b. 31 gtt/min c. 48 gtt/min d. 60 gtt/min - ANSWER b ((1000 mL x 15 gtt/min) รท (8 hrs. x 60 min) = 31.25 - -> 31 gtt/min) The 10:00 am medications scheduled for your patient include Keflex 1.5 G in 50 mL of a 5% Dextrose solution. According to the pharmacy this preparation should be administered in 30 minutes. The IV tubing on your unit delivers 15 gtt/mL. What is the correct rate of flow in drops per minute? (Answer in gtt/min rounded to the nearest whole number). e. 30 gtts/min f. 25 gtts/min g. 15 gtts/min h. 10 gtts/min - ANSWER b ((50 mL x 15 gtt/mL) รท 30 min = 25 gtt/min) A patient, admitted with a head injury, has an order to start 1000 cc of D5NS at 30 mL/h. The IV tubing has a calibration of 60 gtt/mL. What is the correct rate of flow for this patient? (Answer in gtt/min rounded to the nearest whole number). i. 15 gtt/min j. 20 gtt/min k. 30 gtt/min l. 40 gtt/min - ANSWER c
((30 mL/h x 60 gtt/mL) รท 60 min = 30 gtt/min) The doctor orders 1.5 litres of Lactated Ringers solution to be administered intravenously to your patient over the next 12 hours. Calculate the rate of flow if the IV tubing delivers 20 gtt/mL. (Answer in gtt/min rounded to the nearest whole number). a. 48 gtt/min b. 42 gtt/min c. 36 gtt/min d. 28 gtt/min - ANSWER b (1.5 L x 1000 = 1500 mL; (1500 mL x 20 gtt/mL) รท (12 hrs. x 60 min) = 41.66 --> 42 gtt/min) On Wednesday afternoon, your patient returns from surgery with an IV fluid order for 1000 cc every 8 hours. On Thursday morning at 8:00 am, you assess that 600 mL of a 1L bag has been absorbed. The physician orders the remainder of that bag to infuse over the next 6 hours. You know that the IV tubing used by your unit delivers 10 gtt/mL. What will be the correct rate of flow? e. 8 gtt/min f. 11 gtt/min g. 13 gtt/min h. 21 gtt/min - ANSWER b (1000 cc - 600 mL = 400 mL left; (400 mL x 10 gtt/mL) รท (6 hrs. x 60 min) 11.11 - -> 11 gtt/min) An intravenous line has been inserted into a patient. Fluid is being delivered at a rate of 42 mL/h. How much fluid will the patient receive in 2 hours? i. 42 mL j. 21 mL k. 84 mL l. 126 mL - ANSWER c (42 mL/h x 2 hrs. = 84 mL) A female patient is receiving Hartmann's solution at a rate of 125 mL/h. How much solution will she receive over 5 hours?
What is the required flow rate of a volumetric infusion pump to deliver one litre of normal saline over 24 hours? (Answer in mL/h rounded to the nearest whole number). a. 21 mL/h b. 42 mL/h c. 62 mL/h d. 78 mL/h - ANSWER b (1000 mL (1 litre) รท 24 hrs. = 41.6 - -> 42 mL/h) What is the correct setting for a burette pump to administer 120 mL of fluid containing 500 mg of vancomycin in 50 minutes? (Answer in mL/h rounded to the nearest whole number). e. 144 mL/h f. 72 mL/h g. 2.4 mL/h h. 240 mL/h - ANSWER a (120 mL x (60 min รท 50 min) = 144 mL/h) What is the correct setting for a burette pump to administer 80 mL of fluid containing 80 mg of gentamicin in 45 minutes? (Answer in mL/h rounded to the nearest whole number). i. 54 mL/h j. 360 mL/h k. 122 mL/h l. 107 mL/h - ANSWER d (80 mL x (60 min รท 45 min) = 106.7 -->107 mL/h) A teenager is to receive 500 mL of dextrose 5% over 8 hours. The I.V. set emits 20 drops/mL. What is the required drip rate in drops per minute? (Round answer to the nearest whole number). m. 63 gtt/min n. 25 gtt/min o. 21 gtt/min
d. 16 gtt/min - ANSWER c ((500 mL x 20 gtt/mL) รท (8 hrs. x 60 min) = 20.8 - -> 21 gtt/min) A male patient is to receive 1 1/2 litres of fluid over 10 hours. The giving set delivers 20 drops/mL. What is the required drip rate in drops per minute? (Round answer to the nearest whole number). a. 65 gtt/min b. 50 gtt/min c. 45 gtt/min d. 35 gtt/min - ANSWER b (1.5 L x 1000 = 1500 mL; (1500 mL x 20 gtt/mL) รท (10 hrs. x 60 min) = 50 gtt/min) A postoperative adult male is to be given one unit of autologous blood in 4 hours. The unit of autologous blood has a volume of 500 mL. The giving set emits 20 drops/mL. What is the required drip rate in drops per minute for the blood infusion? (Round answer to the nearest whole number). a. 24 gtt/min b. 48 gtt/min c. 36 gtt/min d. 42 gtt/min - ANSWER d ((500 mL x 20 gtt/mL) รท (4 hrs. x 60 min) = 41.6 - -> 42 gtt/min) A patient is to be given one unit of autologous blood over 3 hours using a giving set that delivers 15 drops/mL. The unit of blood contains 480 mL. What is the required drip rate in drops per minute for the blood infusion? (Round answer to the nearest whole number). a. 44 gtt/min b. 40 gtt/min c. 36 gtt/min d. 38 gtt/min - ANSWER b ((480 mL x 15 gtt/mL) รท (3 hrs. x 60 min) = 40 gtt/min)
b. 96 mL/h c. 91 mL/h d. 86 mL/h - ANSWER c (1 L x 1000 = 1000 mL; 1000 mL รท 11 hrs. = 90.9 - -> 91 mL/h) A patient is to be given 1 1/2 litres of fluid over 10 hours. The giving set emits 20 drops/mL. What is the required drip rate in drops/min? a. 35 drops/min b. 45 drops/min c. 50 drops/min d. 55 drops/min - ANSWER c (1.5 L x 1000 = 1500 mL; (1500 mL x 20 gtt/mL) รท (10 hrs. x 60 min) = 50 gtt/min) A litre of dextrose 5% is to be given I.V. The solution is to run at 75 mL/h for the first 6 hours, then the rate is reduced to 50 mL/h. Calculate the total time required to give the full volume. a. 13 hours b. 17 hours c. 15 hours d. 19 hours - ANSWER b (1 L x 1000 = 1000 mL; 1000 mL - (75 mL/h x 6 hrs.) = 550 mL remaining; 550 mL รท 50 mL/h = 11 hours; 6 hours + 11 hours = 17 hours total to give the full volume) The order is for D5LR 1500 mL IV to run for 12 hours. The drop factor is 10 gtt/mL. What is the correct flow rate? (Answer to the nearest whole number). a. 19 gtt/min b. 20 gtt/min
c. 21 gtt/min d. 27 gtt/min - ANSWER c ((1500 mL x 10 gtt/mL) รท (12 hrs. x 60 min) = 20.8 --> 21 gtt/min) The physician's order is for D5LR IV at 75 mL/h for 8 hours. The drop factor is 10 gtt/mL. What is the total volume? a. 600 mL b. 300 mL c. 60 mL d. 460 mL - ANSWER a (75 mL/h x 8 hrs. = 600 mL) A patient, admitted with a head injury, has an order for D5NS at 25 mL/hour. The IV tubing has a calibration of 10 gtt/mL. What is the correct rate of flow for this patient? (Answer in gtt/min rounded to the nearest whole number). a. 2 gtt/min b. 4 gtt/min c. 6 gtt/min d. 8 gtt/min - ANSWER b ((25 mL/h x 10 gtt/mL) รท 60 min = 4.16 - -> 4 gtts/min) 1000 cc solution of D5NS with 20,000 units of Heparin is infusing at 20 mL per hour. The IV set delivers 60 gtts per cc. How many units of Heparin is the patient receiving each hour? a. 200 units/h b. 400 units/h c. 600 units/h
d. 14:30 or 2:30 pm - ANSWER a ((270 mL รท 30 mL/h) = 9 hours + 10:30 = 19:30 or 7: pm) An intravenous line has been inserted into a patient. Fluid is being delivered at a rate of 42 mL/h. How much fluid will the patient receive in 8 hours? a. 6 mL b. 168 mL c. 336 mL d. 420 mL - ANSWER c (42 mL/h x 8 hrs. = 336 mL) A female patient is receiving Hartmann's solution at a rate of 125 mL/h. How much solution will she receive over 12 hours? a. 750 mL b. 1500 mL c. 1250 mL d. 1625 mL - ANSWER b (125 mL/h x 12 hrs. = 1500 mL) A male patient is to receive 500 mL of normal saline. The drip rate is adjusted to deliver 25 mL/h. How long will the fluid last? a. 25 hours b. 15 hours c. 30 hours d. 20 hours - ANSWER d (500 mL รท 25 mL/h = 20 hours)
What is the required flow rate of a volumetric infusion pump to deliver one litre of normal saline over 8 hours? (Answer in mL/h rounded to the nearest whole number). a. 75 mL/h b. 125 mL/h c. 150 mL/h d. 225 mL/h - ANSWER b (1000 mL (1 litre) รท 8 = 125 mL/h) What is the required flow rate of a volumetric infusion pump to deliver 1 litre of normal saline over 6 hours? (Answer in mL/h rounded to the nearest whole number). a. 167 mL/h b. 87 mL/h c. 197 mL/h d. 60 mL/h - ANSWER a (1000 mL (1 litre) รท 6 hrs. = 166.6 - -> 167 mL/h) What is the required flow rate of a burette to infuse 80 mL of fluid over half an hour? (Answer in mL/h rounded to the nearest whole number). a. 80 mL/h b. 40 mL/h c. 120 mL/h d. 160 mL/h - ANSWER d (80 mL x (60 min รท 30 min) = 160 mL/h) What is the correct setting for a burette pump to administer 100 mL of fluid containing 1 g of
a. 78 gtt/min b. 112 gtt/min c. 100 gtt/min d. 120 gtt/min - ANSWER d ((300 mL x 20 gtt/mL) รท (50 min) = 120 gtt/min) Towards the end of the transfusion, the doctor orders that the remaining half unit of packed cells is to be administered over one hour. A full unit of packed cells is 250 mL. The I.V. giving set delivers 20 drops per mL. What is the required drip rate in drops per minute for the blood infusion? (Round answer to the nearest whole number). a. 38 gtt/min b. 42 gtt/min c. 48 gtt/min d. 36 gtt/min - ANSWER b (((250 x 0.5) mL x 20 gtt/mL) รท (1 hrs. x 60 min) = 41.6 - -> 42 gtt/min) An administration set which emits 15 drops/mL is to be used to give a 480 mL unit of autologous blood over 3ยฝ hours. What is the required drip rate in drops per minute for the blood infusion? (Round answer to the nearest whole number). a. 24 gtt/min b. 38 gtt/min c. 34 gtt/min d. 28 gtt/min - ANSWER c ((480 mL x 15 gtt/mL) รท (3.5 hrs. x 60 min) = 34.2 --> 34 gtt/min) At 2100 hours on a Monday, one litre of dextrose 5% is set up to run at 50 mL/h. When will the flask be finished?
a. 1300 h Tuesday b. 1500 h Tuesday c. 1700 h Tuesday d. 0800 h Wednesday - ANSWER c (1 L x 1000 = 1000 mL; 1000 mL รท 50 mL/h = 20 hours; 2100 + 20 hours = 1700 hours on Tuesday) A one litre I.V. flask of normal saline has been running for 6 hours at a rate of 75 mL/h. The doctor orders the remaining contents to be run through in the next five hours. Calculate the new flow rate. a. 110 mL/h b. 55 mL/h c. 120 mL/h d. 85 mL/h - ANSWER a (1000 mL - (75 mL/hr. x 6 hrs.) = 550 mL remaining; 550 mL รท 5 hours = 110 mL/h) A male patient is receiving dextrose 5% at a rate of 55 mL/h. How much fluid will he receive in 11 hours? a. 300 mL b. 450 mL c. 505 mL d. 605 mL - ANSWER d (55 mL/h x 11 hrs. = 605 mL) 100 mL of fluid containing vancomycin 400 mg has been added to a burette. The infusion is to be given over 45 minutes. What is the required pump setting in mL/h? a. 113 mL/h
c. 12 gtt/min d. 60 gtt/min - ANSWER a ((200 mL x 60 gtt/mL) รท (24 hrs. x 60 min) = 8.3 --> 8 gtt/min) The order is for 0.45% NaCl IV for 90 mL/h for 4 hours. The drop factor is 10 gtt/mL. What is the total volume? a. 480 mL b. 320 mL c. 180 mL d. 360 mL - ANSWER d (90 mL/h x 4 hrs. = 360 mL) Your patient has an order to infuse 100 mL of D51/2NS with 10 MEq of KCI over the next 30 minutes. The set calibration is 10 gtt/mL. What is the correct rate of flow for this patient? (Answer in gtt/min rounded to the nearest whole number). a. 43 gtt/min b. 33 gtt/min c. 23 gtt/min d. 13 gtt/min - ANSWER b ((100 mL x 10 gtt/mL) รท 30 min = 33.33 --> 33 gtt/min) The physician orders an IV infusion of D5W 1000 mL to infuse over the next 8 hours. The IV tubing that you are using delivers 10 gtt/mL. What is the correct rate of flow (drops per minute)? (Answer in gtt/min rounded to the nearest whole number). a. 12 gtt/min b. 21 gtt/min c. 24 gtt/min
d. 33 gtt/min - ANSWER b ((1000 mL x 10 gtt/mL) รท (8 hrs. x 60 min) = 20.83 --> 21 gtt/min) The 10:00 am medications scheduled for your patient include Keflex 2.0 g in 100 mL of a 5% Dextrose solution. According to the pharmacy, this preparation should be administered in 30 minutes. The IV tubing on your unit delivers 10 gtt/mL. What is the correct rate of flow in drops per minute? (Answer in gtt/min rounded to the nearest whole number). a. 43 gtt/min b. 33 gtt/min c. 23 gtt/min d. 13 gtt/min - ANSWER b ((100 mL x 10 gtt/mL) รท 30 min = 33.33 --> 33 gtt/min) The doctor orders 1.5 litres of Lactated Ringers solution to be administered to your patient over the next 12 hours. Calculate the rate of flow if the IV tubing delivers 60 gtt/mL. (Answer in gtt/min rounded to the nearest whole number). a. 75 gtt/min b. 100 gtt/min c. 125 gtt/min d. 130 gtt/min - ANSWER c (1.5 L x 1000 = 1500 mL; (1500 mL x 60 gtt/mL) รท (12 hrs. x 60 min) = 125 gtt/min) The medications scheduled for your patient include Keflex 1.5 grams in 50 mL of a 5% Dextrose solution. According to the pharmacy, this preparation should be administered in 30 minutes. The IV tubing on your unit delivers 15 gtt/mL. What is the correct rate of flow in drops per minute? a. 15 gtt/min b. 20 gtt/min
(1000 mL (1 litre) รท 80 mL/h = 12.5 hours or 12 hours and 30 minutes) What is the required flow rate of a volumetric infusion pump to deliver 500 mL of dextrose 5% over 12 hours? (Answer in mL/h rounded to the nearest whole number). a. 42 mL/h b. 21 mL/h c. 62 mL/h d. 34 mL/h - ANSWER a (500 mL รท 12 hrs. = 41.6 --> 42 mL/h) What is the required flow rate of a volumetric infusion pump to deliver 500 mL of dextrose 5% over 8 hours? (Answer in mL/h rounded to the nearest whole number). a. 126 mL/h b. 53 mL/h c. 87 mL/h d. 63 mL/h - ANSWER d (500 mL รท 8 hrs. = 62.5 - -> 63 mL/h) What is the required flow rate of a volumetric infusion pump to deliver 100 mL of metronidazole 500 mg over 30 minutes? (Answer in mL/h rounded to the nearest whole number). a. 300 mL/h b. 200 mL/h c. 150 mL/h d. 100 mL/h - ANSWER b (100 mL x (60 min รท 30 min) = 200 mL/h)
What is the correct setting for a burette pump to administer 50 mL of fluid containing 0.5 g of potassium chloride in half an hour? (Answer in mL/h rounded to the nearest whole number). a. 100 mL/h b. 50 mL/h c. 150 mL/h d. 125 mL/h - ANSWER a (50 mL x (60 min รท 30 min) = 100 mL/h) What is the correct setting for a burette pump to administer 70 mL of fluid containing 1.2 g of penicillin in 25 minutes? (Answer in mL/h rounded to the nearest whole number). a. 84 mL/h b. 168 mL/h c. 225 mL/h d. 145 mL/h - ANSWER b (70 mL x (60 min รท 25 min) = 168 mL/h) 750 mL of normal saline is to be given to a patient over 9 hours using a giving set which emits 20 drops/mL. What is the required drip rate in drops per minute? (Round answer to the nearest whole number). a. 21 gtt/min b. 32 gtt/min c. 28 gtt/min d. 36 gtt/min - ANSWER c ((750 mL x 20 gtt/mL) รท (9 hrs. x 60 min) = 27.7 - -> 28 gtt/min)