Dosage Problems Worksheet

III. Dosage Problems Worksheet #3

 

5. The patient is to receive heparin sodium 8000 units subcutaneously q8h. The dose on hand is heparin sodium 10,000 units/mL.

 

1. How many mL will you administer for the correct dose?

 

1. How often will you administer this medication?

 

1. What route of administration will you use?

 

 

7. The drug ordered is Maalox 2 ʒ p.o. q 3-4 h p.r.n. for heartburn. You have supply of Maalox, 8 oz. bottle.

 

1. How many milliliters will you administer for the correct dose?

 

1. How often can you administer this medication?

 

 

11. The doctor orders methotrexate 25 mg/kg IV. The dose on hand is methotrexate 25 mg/mL. The patient weighs 154 lbs.

 

1. How many mL will you administrate for the correct dose? What route of administration will you use?

 

 

13. The doctor orders morphine sulfate grain 1/8 IM p.r.n. for pain. The stock supply is morphine sulfate 15 mg/ mL.

 

1. How many mL will you administer for the correct dose?

 

1. What route will you use?

 

 

1. Reconstitution Problems Worksheet #2

 

1. The doctor orders Keflin 1.5 grams in 100 mL D-5-W IVPB over 30 minutes q8h. The drug is provided in a 5 gram vial. Directions say to reconstitute with 9.8 mL to yield a total volume of 10 mL. How many milliliters will you add to the IVPB for the correct dose?

 

6. The patient is to receive 500 mg ampicillin. The drug is supplied in a 1 gram vial. Reconstitute with 4.7 mL of sterile water to yield 200 mg/mL. How many milliliters of the drug will you administer?

 

10. The physician’s assistant orders 400,000 units of penicillin. The drug is supplied in a multidose vial of 5,000,000 units. Directions say to reconstitute with 23 mL to yield 200,000 units/mL. How many milliliters will you give for the correct dose?

 

1. IV Flow Rate Problems Worksheet #1

 

1. The doctor orders 250 mL D-5-W IV q3h. The drop factor is 60 gtts/mL.

 

1. Calculate the flow rate in mL/h.

 

1. Calculate the flow rate in gtts/min.

 

2. The IV ordered is 1000 mL D-10-W IV q12h. The drop factor is 10 gtts/mL.

 

1. Calculate the flow rate in mL/h.

 

1. Calculate the flow rate in gtts/min.

 

6. The doctor orders an IV to infuse at 150 mL/h. The drop factor is 12 gtts/mL. Calculate the flow rate in gtts/min.

 

11. The IV order is to infuse 2 L over 8 hours. The drop factor is 15 gtts/mL.

 

1. Calculate the flow rate in mL/h.

 

1. Calculate the flow rate in gtts/min.

 

1. Advanced Multiple Factor IV Problems Worksheet #2

 

 

1. The doctor orders Nipride 2 mcg/kg/min IV. The dose on hand is Nipride 100 mg in 500 mL of D-5-W. The patient weighs 127.6 lbs.

The drop factor is 15 gtt/mL.

 

1. Calculate the flow rate in mL/h.

 

1. Calculate the flow rate in gtt/min.

 

2. The doctor orders 5 gram of a drug in 500 mL of D-5-W IV to be infused at 6 mcg/kg/min. The patient weighs 130 lbs. The drop factor is 60 gtt/mL.

 

1. Calculate the flow rate in mL/h.

 

1. Calculate the flow rate in gtt/min.

 

6. The doctor orders 800 mg of a drug in 600 mL of IV solution to be infused at 13 mcg/kg/min. The patient weighs 72.7 kg. The drop factor is 20 gtt/mL.

 

1. Calculate the flow rate in mL/h.

 

1. Calculate the flow rate in gtt/min.

 

8. The doctor orders Ancef 1.2 gram in 1000 mL NS. Administer 20 mcg/kg/min IV. The patient weighs 185 lbs. The drop factor is 12 gts/mL.

 

1. Calculate the flow rate in mL/h.

 

1. Calculate the flow rate in gtt/min.

 

9. The doctor orders magnesium sulfate 500 mg in 1000 mL D-5-W IV. Infuse at the rate of 35 mcg/kg/min. The patient weighs 108 lbs. The drop factor is 15 gtt/mL.

 

1. Calculate the flow rate in mL/h.

 

VII. Putting it all together Worksheet #2

 

1. Mr. Hood is going to surgery. The doctor has ordered 75 mg of Demerol and atropine grain 1/150 IM. The stock supply of Demerol is 100 mg/mL. The stock supply of atropine is 0.4 mg/2 mL.

 

1. How many mL of Demerol will you administer?

 

1. How many mL of atropine will you administer?

 

1. What route of administration will you use?

 

2. Mrs. Kelly is to have 1000 mL of I.V. solution with KCL 30 mEq added. The order states that the I.V. should infuse over the next 5 hours. The dose on hand is 40 mEq/10 mL. The drop factor is 60 gtt/mL.

 

1. How many mL of KCL will you add to the 1000 mL bag?

 

1. What will the flow rate be in mL/hr?

 

1. What will the flow rate be in gtt/min?

 

3. The nurse practitioner orders Cascara 4 dr p.o. for Mr. Alley. The stock supply is an 8 ounce bottle of Cascara.

 

1. How many mL will you administer?

 

1. How many teaspoons will you administer?

 

1. What is the route of administration?

 

7. The doctor orders oxacillin 100 mg/kg/day in 4 divided doses. The patient weighs 20 kg. The dose on hand is oxacillin oral suspension 250 mg/5 mL.

 

1. How many mL will you administer for one dose?

 

1. What route of administration will you use?

 

1. How many mg will the patient receive in one dose?

 

12. The order is for D5W 500mL in 4 hours; the IV tubing has a drop factor of 20 gtt/mL. Additionally there is an order for adrenalin 0.4mg sub-Q every 20 minutes until symptoms resolve. The dose on hand is adrenalin 1 mg/2mL.

 

1. How many mLs of the adrenalin will you administer?

 

1. What route will you use?

 

1. What is the flow rate of the IV in mL/hr?

 

1. What is the flow rate of the IV in gtt/min?

 

18. The doctor orders Lanoxin 250 mcg p.o. qd if pulse is >60 <110. The stock supply is 0.25 mg/tablet. The patient’s pulse is 66.

 

1. How many tablets will you administer for each dose?

 

1. How often will you administer the medication?

 

1. What route of administration will you use?

 

52. The next day the patient’s pulse is 52. What will you do?

 

20. The doctor orders codeine grain ss p.o. q 6 hours p.r.n. for pain. Dose on hand is codeine 30 mg/tablet.

 

1. How many tablets will you administer for each dose?

 

1. How often can you give the medication?

 

1. What is the maximum amount the patient can receive in a 24 hour period? (state in mg and grain)

 

21. The doctor orders 500,000 units of penicillin IM stat and then 250,000 units q 6 hours. The vial contains 1,000,000 units of penicillin and directions say to add 4.5 mL of sterile water to yield 5 mL.

 

1. How many mL of penicillin will you administer for the stat dose?

 

1. How many mL will you administer for each subsequent dose?

 

1. What route of administration will you use?

 

1. How often will you administer the subsequent doses?