Revised Practice Problems
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Southern University School of Nursing Nursing 304 Practice Dosage Problems 1.
Demerol 25 mg IM is to be given combined with Phenergan 12.5 mg. The vial for injection of Demerol contains 50 mg/mL. The Phenergan contains 25 mg/mL. How many mL of Demerol should be prepared? _____________ How many mL of Phenergan should be prepared? ___________ Total amount in mL after both are drawn into one syringe? ___________
2.
One liter of D5W is ordered to be infused in 10 hours. (DF = 10). How many drops per minute will deliver the ordered fluid? gtts/min = _________
3.
A single dose of factor IX complex 75 units/kg is ordered to be given IV to an individual weighing 110 lb. After diluted, the vial contains 100 units/3 mL. How many units are to be given? ___________ Amount to give in mL? ____________________
4.
Calculate the IV flow rate in cc/hr and gtts/min if a client is to receive lactated Ringers 1000 mL over 12 hours. Drop factor =15 . cc/hour = _____________ gtts/minute = __________
5.
A client has an order for 0.9 % NS 500 mL with 200 units of regular insulin and to be infused at 10 units/hr. Drop factor is 60 gtt/mL. Amount of drug/mL? __________ How many mL/hr? ____________ How many gtt/min? ___________
6.
A client may receive Dilaudid 3 mg IM Q 3 hours for pain. Dilaudid is available in 1 mL ampules containing 4 mg. How many mL should be prepared? _____________
7.
A client receives Digoxin 125 mcg PO Q 12 hours for cardiac arrhythmias. Digoxin 0.25 mg/tab is available. How many tabs would be the correct dose? _______________
8.
Solumedrol 80 mg IVP is ordered for a client. It is available in 125 mg/mL. How many mL will be the correct amount to give? _____________________
9.
Levaquin 500 mg in 100 mL Q 24 hours is ordered. The Levaquin is to be infused over one hour. The DF = 10. What is the correct flow rate in cc/hour? _________________ What is the correct flow rate in gtts/minute? ________________
10.
Epoetin alfa 3000 units SC is ordered Q Mon/Wed/Fri. It is available as 2000 u/ 1 mL injection solution. How many mL are the correct dose? ________________
11.
Lorazepam (Ativan) is ordered 0.5 mg IVP and is available in a 2mg/mL vial. How many mL should be prepared? ________________
12.
On rounds, the nurse checks the IV bag and notes 350 cc to be absorbed (TBA) or left to count. The pump is set at 150 cc/hr. If infusing correctly, the IV should last another 3 hours. At the present setting, will the IV infuse on time, or is it too fast or too slow? ___________ If not infusing correctly, what would be the correct rate? ________________
13.
An IVPB of 100 cc was hung at 0900 and set to run for 2 hours on the pump. The pump is set at 50 cc/hr. At 1030 the amount remaining is 25 cc. Is the IV infusing correctly? _____________ If not infusing correctly, what would be the correct rate? ___________________
14.
Linezolid (Zyvox) 600 mg in 300 mL is ordered to infuse over 2 hours. The IV is hung at 0800. Drop factor = 10 . Infuse at _______________ cc/hr Infuse _________________ gtt/min
15.
The healthcare provider orders a stat dose of 45 grams of sodium polystyrene sulfonate (Kayexalate) for a client. Kayexalate is available in a suspension of 15 gm/60 mL. How many mL will the nurse administer? _______________
16.
A client has orders for Morphine sulfate ΒΌ gr. IVP every 4 hours prn for pain. The label reads 10mg/mL. How many mL will the nurse prepare? __________________
17.
A client is prescribed Synthroid 0.1 mg po every day. Available are Synthroid 50 mcg tablets. How many tablets should be given? _________________
18.
A client is to receive phenytoin (Dilantin) 1.5 grains this morning. Dilantin is available in 30 mg capsules. How many capsules will the nurse administer? ____________________
Answers to above practice problems 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18.
0.5 mL of Demerol, 0.5 mL of Phenergan, and 1 mL total 17 gtts/min 3750 units and 112.5 mL 83 cc/hour and 21 gtts/min 0.4 units of insulin, 25 mL/hour, and 25 gtts/min 0.75 cc 0.5 tabs 0.64 mL 100 mL/hour and 17 gtts/min 1.5 mL 0.25 mL Infusing too fast, adjust to 117 cc/hour IV infusing correctly 150 cc/hour and 25 gtts/min 180 mL 1.5 mL 2 tablets 3 capsules
practice problems originally prepared by L. Greggs
Demerol 25 mg IM is to be given combined with Phenergan 12.5 mg. The vial for injection of Demerol contains 50 mg/mL. The Phenergan contains 25 mg/mL. How many mL of Demerol should be prepared? _____________ How many mL of Phenergan should be prepared? ___________ Total amount in mL after both are drawn into one syringe? ___________
2.
One liter of D5W is ordered to be infused in 10 hours. (DF = 10). How many drops per minute will deliver the ordered fluid? gtts/min = _________
3.
A single dose of factor IX complex 75 units/kg is ordered to be given IV to an individual weighing 110 lb. After diluted, the vial contains 100 units/3 mL. How many units are to be given? ___________ Amount to give in mL? ____________________
4.
Calculate the IV flow rate in cc/hr and gtts/min if a client is to receive lactated Ringers 1000 mL over 12 hours. Drop factor =15 . cc/hour = _____________ gtts/minute = __________
5.
A client has an order for 0.9 % NS 500 mL with 200 units of regular insulin and to be infused at 10 units/hr. Drop factor is 60 gtt/mL. Amount of drug/mL? __________ How many mL/hr? ____________ How many gtt/min? ___________
6.
A client may receive Dilaudid 3 mg IM Q 3 hours for pain. Dilaudid is available in 1 mL ampules containing 4 mg. How many mL should be prepared? _____________
7.
A client receives Digoxin 125 mcg PO Q 12 hours for cardiac arrhythmias. Digoxin 0.25 mg/tab is available. How many tabs would be the correct dose? _______________
8.
Solumedrol 80 mg IVP is ordered for a client. It is available in 125 mg/mL. How many mL will be the correct amount to give? _____________________
9.
Levaquin 500 mg in 100 mL Q 24 hours is ordered. The Levaquin is to be infused over one hour. The DF = 10. What is the correct flow rate in cc/hour? _________________ What is the correct flow rate in gtts/minute? ________________
10.
Epoetin alfa 3000 units SC is ordered Q Mon/Wed/Fri. It is available as 2000 u/ 1 mL injection solution. How many mL are the correct dose? ________________
11.
Lorazepam (Ativan) is ordered 0.5 mg IVP and is available in a 2mg/mL vial. How many mL should be prepared? ________________
12.
On rounds, the nurse checks the IV bag and notes 350 cc to be absorbed (TBA) or left to count. The pump is set at 150 cc/hr. If infusing correctly, the IV should last another 3 hours. At the present setting, will the IV infuse on time, or is it too fast or too slow? ___________ If not infusing correctly, what would be the correct rate? ________________
13.
An IVPB of 100 cc was hung at 0900 and set to run for 2 hours on the pump. The pump is set at 50 cc/hr. At 1030 the amount remaining is 25 cc. Is the IV infusing correctly? _____________ If not infusing correctly, what would be the correct rate? ___________________
14.
Linezolid (Zyvox) 600 mg in 300 mL is ordered to infuse over 2 hours. The IV is hung at 0800. Drop factor = 10 . Infuse at _______________ cc/hr Infuse _________________ gtt/min
15.
The healthcare provider orders a stat dose of 45 grams of sodium polystyrene sulfonate (Kayexalate) for a client. Kayexalate is available in a suspension of 15 gm/60 mL. How many mL will the nurse administer? _______________
16.
A client has orders for Morphine sulfate ΒΌ gr. IVP every 4 hours prn for pain. The label reads 10mg/mL. How many mL will the nurse prepare? __________________
17.
A client is prescribed Synthroid 0.1 mg po every day. Available are Synthroid 50 mcg tablets. How many tablets should be given? _________________
18.
A client is to receive phenytoin (Dilantin) 1.5 grains this morning. Dilantin is available in 30 mg capsules. How many capsules will the nurse administer? ____________________
Answers to above practice problems 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18.
0.5 mL of Demerol, 0.5 mL of Phenergan, and 1 mL total 17 gtts/min 3750 units and 112.5 mL 83 cc/hour and 21 gtts/min 0.4 units of insulin, 25 mL/hour, and 25 gtts/min 0.75 cc 0.5 tabs 0.64 mL 100 mL/hour and 17 gtts/min 1.5 mL 0.25 mL Infusing too fast, adjust to 117 cc/hour IV infusing correctly 150 cc/hour and 25 gtts/min 180 mL 1.5 mL 2 tablets 3 capsules
practice problems originally prepared by L. Greggs
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