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Dosage Calculations - Word Problems
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Terms in this set (37)
Order: Zyloprim 250 mg PO every day. Supply: scored tablets of 100 mg. What is the quantity to administer? ______ tablets.
2 1/2 or 2.5
Order: Slo-K 20 mEq PO bid. Supply: liquid labeled 30 mEq per 15 mL. What is the quantity to be administered? ______ mL.
10
Order: 25 mg PO. Supply: 10 mg tablets scored. What is the quantity to administer? ______ tablets.
2 1/2 or 2.5
Order: 0.125 mg PO. Supply: 0.25 mg tablets scored. What is the quantity to administer? _____tablets.
1/2 or 0.5
Order: 60 mg PO. Supply: 40 mg tablets scored. What is the quantity to administer? ____ tablets.
1 1/2 or 1.5
Order: Epinephrine 0.4 mg subcutaneous stat. Supply: ampule labeled 1:1000 (2 mL size.). What is the quantity to administer? _____mL.
0.4
Order: Magnesium sulfate 500 mg IM for one dose. Supply: ampule labeled 50% (2 mL size). What is the quantity to administer? _____mL.
1
Order: 0.5 g IM. Supply: vial of powder labeled 1 g. Dilute with 2.5 mL sterile water to yield 1 g/3 mL. What is the quantity to administer? _____mL.
1.5
Order: Gentamycin 60 mg IM q8h. Supply: vial labeled 80 mg/2mL. What is the quantity to administer? _____mL.
1.5
Order: Add Nitroglycerin 200 mcg to IV stat. Supply: vial labeled 0.8 mg/mL. What is the quantity to administer? _____mL.
0.25
Order: 350 mL 0.45% NS IV over 4 hours. Tubing factor: 15 gtts/mL. What is the quantity to administer? _____gtts/min. Round to a whole number.
22
Order: Infuse 10% lipids 500 mL over 10 hours. What is the quantity to administer? _____mL/hr.
50
Order: 250 mL 0.45% NS IV at 60 mL/hr. How many hours will the IV run? _____hr.
4
Order: Infuse 0.45% NS 125 mL over 2 hours. What is the quantity to administer? _____mL/hr.
63
Order: 500 mL D5W IV at 50 mL/hr. How many hours will the IV run? _____hr.
10
Order: Primacor 50 mcg/min IV. Supply: Primacor 20 mg in 100 mL D5W. What is the infusion rate? _____mL/hr.
15
Order: Verapamil 1 mg/hr IV. Supply: Verapamil 10 mg in 100 mL D5W. What is the infusion rate? _____mL/hr.
10
Order: Dopamine 7 mcg/kg/min. Supply: Dopamine 400 mg in 250 mL D5W. Patient weight is 57 kg. What is the infusion rate? _____mL/hr.
15
The cardiac patient is to receive Cardizem 5 mg IVP. The vial contains 10 mg/2 ml. How many ml will you give?
1 mL
The patient is to take Aspirin gr. X. The bottle contains Aspirin 300 mg tablets. How many tablets should he take?
2 tablets
Digoxin 125 mcg is ordered IVP every a.m. The vial contains 0.5 mg in 2 ml. How many ml will you give?
0.5 mL
The pre-op patient is ordered Atropine gr. 1/150 IM. The vial contains Atropine 0.4 mg in 1 ml. How much will you give?
1 mL
The patient is to receive Heparin 1500 units/hr by IV infusion. The IV contains 25,000 units of Heparin in 250 ml of D5W. At what rate should you set the IV pump (ml/hr)?
15 mL/hr
The IV with Nitroglycerin is infusing at 6 ml/hr. The concentration of the IV is 50 mg in 250 ml of D5W. How many mg/hr is the patient receiving?
1.2 mg/hr
The patient is ordered an IV of 1000 ml of Normal Saline over 8 hours. At what rate would you set the IV pump (ml/hr)?
- How many drops per minute would you set the gravity IV tubing with a drip factor of 15 drops/ml?
- If the current IV bag was started at 1300, what time would you hang the next bag?
125 mL/hr
31 gtts/min
2100
The patient with an infection is to receive an IVPB of Ampicillin 500 mg in 50 ml over 30 minutes. At what rate would you set the pump?
100 mL/hr
An IVPB of Vancomycin 1 gram in 250 ml is to infuse over 90 minutes. At what rate should the pump be set?
167 mL/hr
The patient is ordered Fortaz 250 mg IM. The vial contains 500 mg powder with directions to add 1.5 ml of sterile water for a total volume of 1.8 ml. How many ml will you administer?
0.9 mL
The physician ordered an IV of Dobutamine at 5 mcg/Kg/min. The patient weighs 198 lbs. The IV solution is 500 mg Dobutamine in 250 ml D5W. How many ml/hr should the pump be set?
14 mL/hr
Order states: Tetracycline® 0.5 gm p.o. twice a day. Drug available is 250 mg per tablet. How many tablets would you give in 24 hours?
4 tablets
Order states: Morphine Sulfate 5 mg IVB q2h. Drug is available in 15 mg/mL multi-dose vial. How many milliliters would you give per dose?
0.33 mL
Order states: NS IV @ 50 mL / hr x 24 hours. No infusion pumps are available. Using a microdrip chamber (60 drops per mL),
- how many drops per minute will the patient receive?
- How many milliliters in 12 hours?
50 drops per minute.
600 mLs in 12 hours
Order states: Heparin 2500 units subcutaneous daily. Drug is available in 10,000 Units per mL.
- How many milliliters would you give?
- What needle gauge would you use?
0.25 mL.
25G needle
Order states: NS IV 3 liters over 24 hours. How much will the patient have received in 11 hours? What would a pump be set at?
1375 mL in 11 hours. 125 mL
Order states: Dopamine® 400 mg in 250 mL D5W administer 5 mcg/kg/min IV. How many mL/hr will you administer?
. Insufficient information
Order above unable to compute without patient's weight. You weight the patient and find she is 192 lbs. How many mcg/hr will you administer?
Patient's wt 87.27 kg. 436.35/min. 26181 mcg/hr
Order states: Half strength Jevity® at 60 cc/hr via NG tube. How many mL's of Jevity® will you need for the next 4 hours?
120 mL Jevity® and 120 mL of water
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