Tablet dosage with unit conversion practice problems

Tablet Dosage · 10 problems

Work each problem on paper first, rounding as the question says. Then open the answer to check it and see every step.

For study and exam practice, not for patient care. The orders in these problems are written for practice. In the clinic, follow the prescriber's order, your facility's protocols, and your pharmacy.

Problem 1
The nurse is caring for a client who has a prescription for haloperidol 0.75 mg PO. The nurse has haloperidol 500 mcg scored tablets available. How many tablets should the nurse administer? Record your answer using 1 decimal place.
Show answer and steps
Answer: 1.5 tablets
1. Convert the order to the tablet's unit: 0.75 mg = 750 mcg.
2. Tablets = 750 mcg ÷ 500 mcg = 1.5 tablets.
3. The tablet is scored, so a half tablet can be given: 1.5 tablets.
Problem 2
Order: haloperidol 500 mcg PO. Available: haloperidol 0.5 mg scored tablets. How many tablets should the nurse administer? Record your answer using a whole number.
Show answer and steps
Answer: 1 tablets
1. Convert the order to the tablet's unit: 500 mcg = 0.5 mg.
2. Tablets = 0.5 mg ÷ 0.5 mg = 1 tablet.
3. The answer is a whole number of tablets: 1 tablet.
Problem 3
A client with gout is prescribed allopurinol to reduce uric acid levels. Order: allopurinol 300 mg PO daily. Available: allopurinol 0.1 g scored tablets. How many tablets should the nurse administer? Record your answer using a whole number.
Show answer and steps
Answer: 3 tablets
1. Convert the order to the tablet's unit: 300 mg = 0.3 g.
2. Tablets = 0.3 g ÷ 0.1 g = 3 tablets.
3. The answer is a whole number of tablets: 3 tablets.
Problem 4
Order: haloperidol 500 mcg PO. Available: haloperidol 1 mg scored tablets. How many tablets should the nurse administer? Record your answer using 1 decimal place.
Show answer and steps
Answer: 0.5 tablets
1. Convert the order to the tablet's unit: 500 mcg = 0.5 mg.
2. Tablets = 0.5 mg ÷ 1 mg = 0.5 tablets.
3. The tablet is scored, so a half tablet can be given: 0.5 tablets.
Problem 5
A client on long-term nonsteroidal anti-inflammatory therapy is being prescribed misoprostol to protect the gastric mucosa. The prescription reads misoprostol 0.1 mg PO. The pharmacy supplies misoprostol 200 mcg scored tablets. How many tablets should the nurse administer? Record your answer using 1 decimal place.
Show answer and steps
Answer: 0.5 tablets
1. Convert the order to the tablet's unit: 0.1 mg = 100 mcg.
2. Tablets = 100 mcg ÷ 200 mcg = 0.5 tablets.
3. The tablet is scored, so a half tablet can be given: 0.5 tablets.
Problem 6
The nurse is caring for a client with central diabetes insipidus who takes desmopressin acetate to replace antidiuretic hormone. The prescription reads: desmopressin acetate 0.05 mg PO twice daily. The pharmacy supplies desmopressin acetate 100 mcg scored tablets. How many tablets should the nurse administer? Record your answer using 1 decimal place.
Show answer and steps
Answer: 0.5 tablets
1. Convert the order to the tablet's unit: 0.05 mg = 50 mcg.
2. Tablets = 50 mcg ÷ 100 mcg = 0.5 tablets.
3. The tablet is scored, so a half tablet can be given: 0.5 tablets.
Problem 7
Order: misoprostol 200 mcg PO four times daily. Available: misoprostol 0.2 mg scored tablets. How many tablets should the nurse administer? Record your answer using a whole number.
Show answer and steps
Answer: 1 tablets
1. Convert the order to the tablet's unit: 200 mcg = 0.2 mg.
2. Tablets = 0.2 mg ÷ 0.2 mg = 1 tablet.
3. The answer is a whole number of tablets: 1 tablet.
Problem 8
The nurse is caring for a client who has a prescription for captopril 0.15 g PO. The nurse has captopril 50 mg scored tablets available. How many tablets should the nurse administer? Record your answer using a whole number.
Show answer and steps
Answer: 3 tablets
1. Convert the order to the tablet's unit: 0.15 g = 150 mg.
2. Tablets = 150 mg ÷ 50 mg = 3 tablets.
3. The answer is a whole number of tablets: 3 tablets.
Problem 9
The client on the psychiatric unit has severe agitation and is receiving antipsychotic therapy. Order: haloperidol 1.5 mg PO. Available: haloperidol 500 mcg scored tablets. How many tablets should the nurse administer? Record your answer using a whole number.
Show answer and steps
Answer: 3 tablets
1. Convert the order to the tablet's unit: 1.5 mg = 1,500 mcg.
2. Tablets = 1,500 mcg ÷ 500 mcg = 3 tablets.
3. The answer is a whole number of tablets: 3 tablets.
Problem 10
The nurse is caring for a client who has a prescription for captopril 0.125 g PO. The nurse has captopril 50 mg scored tablets available. How many tablets should the nurse administer? Record your answer using 1 decimal place.
Show answer and steps
Answer: 2.5 tablets
1. Convert the order to the tablet's unit: 0.125 g = 125 mg.
2. Tablets = 125 mg ÷ 50 mg = 2.5 tablets.
3. The tablet is scored, so a half tablet can be given: 2.5 tablets.

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Tablet dosage with unit conversion practice problems

Problem 1

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Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10