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Medication Dosage: Common Conversions

The document provides common medical conversions and sample practice questions for calculating medication dosages from orders given in different units. It includes conversions between pounds and kilograms, milliliters and teaspoons/tablespoons, minutes and hours, and other common medical units. Fifteen sample questions are given for calculating quantities like the number of tablets or milliliters of medication required based on orders and available concentrations. Answers to the questions are provided at the end.

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Emma Cristie Balahadia
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478 views3 pages

Medication Dosage: Common Conversions

The document provides common medical conversions and sample practice questions for calculating medication dosages from orders given in different units. It includes conversions between pounds and kilograms, milliliters and teaspoons/tablespoons, minutes and hours, and other common medical units. Fifteen sample questions are given for calculating quantities like the number of tablets or milliliters of medication required based on orders and available concentrations. Answers to the questions are provided at the end.

Uploaded by

Emma Cristie Balahadia
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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BEAUTIFULNURSING.

COM

MEDICATION DOSAGE

COMMON CONVERSIONS:

1 kg = 2.2 lbs
1 ml = 1 cc
30 ml = 1 oz
5 ml = 1 tsp
15 ml = 1 tbsp

1 kg = 1000 gm
1 gm = 1000 mg
1 mg = 1000 mcg
1 L = 1000 ml

1 tbsp = 3 tsp
1 cup = 8 oz
2 cups = 1 pint
2 pints = 1 quart

60 min = 1 hr
BEAUTIFULNURSING.COM
PRACTICE QUESTIONS:
1. Doctor ordered 7 g of metoprolol. It is available as 0.007 kg tablets. How many tablets do you give?

2. Doctor ordered 14,000,000 mcg of Amoxicillin. It is available as 17,000 mg per 9 ml. How many ml will nurse
give?

3. Patient weight 120 kg. How many pounds is this?

4. Doctor order 250 mg PO ampicillin. A nurse has a bottle that says every 5 ml has 100 mg of drug. How many
ml will the nurse give?

5. A nurse needs to give 30 ml of Colace to a patient. How many teaspoons is this?

6. A patient is getting 4 capsules of Tylenol per dose. Each capsule has 125 mg of drug in it. The patient takes this
dose 3x daily. How many mg per day does the patient take?

7. The doctor order 20 g of a medication PO. Pharmacy gives 10 g/15 ml. How many ml will the nurse give per
dose?

8. Doctor order 50 mg of a medication PO. Pharmacy gives 100 mg/ 15 ml. How many ml will the nurse give?

9. Doctor order 1,000 mcg IV medication. The vial instruction say to reconstitute with sterile water for a
concentration of 0.5 mg/ml and to dilute 1 mg in 50 ml of normal saline. How many ml will you administer per
dose?

10. The doctor orders to give a patient 15.6 mg of dopamine in 345 ml of F5W to be infused at a rate of 18
mg/hr. Calculate the flow rate in ml/hr.?

11. Doctor ordered 15 mg by mouth every 4 hours. Pharmacy dispenses you 30 mg/3ml. How many ml with you
administer per dose?

12. Doctor ordered 24 mg over 8 hr. of a medication. You have 96 mg/4 ml available. What is the drip rate
(ml/hr.)?

13. Doctor ordered 196 mg of medication X. You have 56 mg per tablets of medication X available. How many
tablets do you give?

14. Doctor order a 500 ml bag of 0.9 NaCl to be infused at 20 gtt/min. The drip factor is 10 gtt/ml. You start the
infusion at 0500. At what time will the infusion be complete?

15. Doctor order says 0.5 L of normal saline to infuse over 6 hours. The drip factor is 30 drops. What is the drip
rate (gtt/min)?
BEAUTIFULNURSING.COM

ANSWERS:

1. 1 tablet
2. 7.4
3. 264 pounds
4. 2.5 tsp
5. 6 teaspoons
6. 1,500 mg/day
7. 30 ml
8. 7.5 ml/dose
9. 50 ml/dose
10. 398.1 ml/hr
11. 1.5 ml per dose.
12. 0.125 ml/hr
13. 3.5 tablets
14. 0910
15. 42 gtt/min

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