NURSING NUR 2349 Dosage Calculations Practice Question and Answers Key
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Course
NUR 2349
Institution
NUR 2349
Dosage Calculations Practice
▪ Round kg to nearest hundredth
▪ Round final answer as indicated
▪ Do not round numbers as you are working out the problem (except for kg)
▪ Show your work
Desired Over Have: Round answer to the nearest tenth.
1. The physician orders to give IV Penicillin...
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Dosage Calculations Practice
▪ Round kg to nearest hundredth
▪ Round final answer as indicated
▪ Do not round numbers as you are working out the problem (except for kg)
▪ Show your work
Desired Over Have: Round answer to the nearest tenth.
1. The physician orders to give IV Penicillin 100,000 units. The Penicillin on hand
is labeled 250,000 units/mL. How much of the drug will you administer? 0.4
mL
2. Administer a dose of Vitamin K (Aquamephyton) 0.5 mg. Available: Vitamin K
1 mg/1mL. How many mLs would you administer? 0.5 mL
3. Morphine sulfate 6 mg IV push q4h for pain. On hand: Morphine sulfate 10 mg
per mL. How many mLs would you give? 0.6 mL
4. Doctor orders 10 units of insulin per hour via infusion pump. Insulin 100 units
in 250 normal saline solution is available. How many mL will the nurse set the
pump on? 25 mL/hr
5. Order: Kanamycin (Kantrex) 1 g po q6h x 3 days. Drug available Kantrex
500 mg. How many capsules will you administer per day? 8 capsules/day
6. In ectopic pregnancies RhoGam is administered. Order is for 300 mcg IM.
On- hand is RhoGam 150mcg/mL. How many milliliters would you
administer? 2 mL
7. Ordered is Misoprostol (Cytotec) 200 mcg po to be given q4h for 24 hours.
On-hand is 100 mcg tablet. How many tablets would you administer each
day? 12 tablets/day
8. Methotrexate is given for molar pregnancy in serial IM injections. An order for
Methotrexate 25 mg weekly x 4 weeks was written. On-hand is Methotrexate
50 mg/2mL vial. How many millimeters would you administer each week? 1
mL
9. Dexamethasone is used in preterm labor patients. Order is for 6 mg every
12 hrs for 2 doses. On-hand is Dexamethasone 12 mg/2mL vial. How many
millimeters would you administer per dose? 1 mL
, 2
10. Zofran (Ordansetron) 8 mg tablets po q4-6 hrs PRN. On-hand is Zofran 4 mg.
How many tablets would you administer? 2 tablets
11. The physician ordered Digoxin 250 mcg po qid. The label reads 1
tablet equals 0.25 mg. How many tablets will you administer? 1
tablet
12. The nonsteroidal medication naproxen (Naprosyn) has been prescribed for a
patient, 1375 mg/day in divided doses. Each tablet contains 0.275 g. How
many tablets equal this daily dose? 5 tablets
13. The order is to give 600 mg of Ampicillin IM qhr. The directions for dilution on
the 2gm vial reads: Reconstitution with 4.8 mL of sterile water to obtain a
concentration of 400 mg per mL. How many mL will you administer per dose?
1.5 mL
14. The physician ordered 180 mg of Dilantin po q8h. The patient weighs 98 lbs.
The label of the drug reads 250 mg per 5 mL. How many milliliters will you
administer to the patient per dose? 3.6 mL
15. The physician ordered Amoxicillin 10 mg IM q6h. Amoxicillin is supplied in 125
mg per 5 mL. How many milliliters will you administer per dose? 0.4 mL
16. Ordered: Atropine 0.6 mg IM. Label reads 0.3mg per 0.6 mL. How many
milliliters will you give per dose? 1.2 mL
Fluid Maintenance: Round to the nearest whole number.
17. An infant weighs 40 lbs. What is the required of fluid per day in mL? 1,409
mL/day
18. Infuse 695 mL over the next 900 min by infusion pump. What is the IV flow
rate in mL/hr? 46 mL/hr
19. Maggie, who weighs 13 kg 1,150 mL/day
20. Reggie, who weighs 24 kg 1,580 mL/day
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