Ratio and Proportion Methods
Formula Method
Dimensional Analysis
Reconstitution
Conversions
100

 DIRECTIONS: Calculate the following dosages using ratio and proportion. Round mL to the nearest tenth except where indicated. Use labels where provided.

Order: Indocin 50 mg p.o. b.i.d.
Available: ___________ mL

 

Answer: 10 mL


100


DIRECTIONS: Calculate the following dosages using the formula method. Round milliliters to the nearest tenth unless otherwise indicated. Use labels where provided.
Order: Mirapex 0.375 mg p.o. t.i.d.
Available: _____ tablets

3 tabs

100

DIRECTIONS: Calculate the following dosages using dimensional analysis. Round mL to the nearest tenth except where indicated. Use labels where provided.
Order: Phenytoin Sodium (Dilantin) 0.13 g IV stat.
Available: _______ mL


2.6 mL

100

DIRECTIONS: Use the labels, where provided, to obtain the necessary information. Round the answers to the nearest tenth where indicated.
Order: Erythromycin Ethylsuccinate (E.E.S.) Suspension 0.25 g p.o. q6h.
Available:

(a) How much diluent is recommended to reconstitute the E.E.S? _______ mL

50 mL

100

Convert the following metric measure by moving the decimals. 19.5 kg = _____ g

19,500 g
200

DIRECTIONS: Calculate the following dosages using ratio and proportion. Round mL to the nearest tenth except where indicated. Use labels where provided.

Order: Ritalin LA 60 mg po daily for attention-deficit hyperactivity disorder (ADHD). Available: _____caps


2 tabs

200

DIRECTIONS: Calculate the following dosages using the formula method. Round milliliters to the nearest tenth unless otherwise indicated. Use labels where provided.
Order: Ondansetron 7.5 mg p.o. t.i.d. for 2 days after chemotherapy.
Available: _____ mL


9.4 mL

200

DIRECTIONS: Calculate the following dosages using dimensional analysis. Round mL to the nearest tenth except where indicated. Use labels where provided.
Order: Acetaminophen 325 mg p.o. q4h p.r.n. for pain.
Available: ___________ mL


10.2 mL

200

DIRECTIONS: Use the labels, where provided, to obtain the necessary information. Round the answers to the nearest tenth where indicated.
Order: Erythromycin Ethylsuccinate (E.E.S.) Suspension 0.25 g p.o. q6h.
Available:

(c) What is the dosage strength of the prepared solution? _______

400 mg per 5 mL

200

Convert the following metric measure by moving the decimals. 3,600 mg = _____ g

3.6 g

300

DIRECTIONS: Calculate the following dosages using ratio and proportion. Round mL to the nearest tenth except where indicated. Use labels where provided.

Order: Trileptal 0.6 g p.o. b.i.d.
Available: Trileptal Oral Suspension labeled 300 mg per 5 mL 

___________ mL

10 mL

300

DIRECTIONS: Calculate the following dosages using the formula method. Round milliliters to the nearest tenth unless otherwise indicated. Use labels where provided.
Order: Methadone HCl 15 mg p.o. daily for opioid withdrawal.
Available: _____ mL


1.5 mL

300

DIRECTIONS: Calculate the following dosages using dimensional analysis. Round mL to the nearest tenth except where indicated. Use labels where provided.
Order: Prednisone 7.5 mg p.o. daily for 4 days.
Available: _________ tablets (tabs)


3 tabs

300

DIRECTIONS: Use the labels, where provided, to obtain the necessary information. Round the answers to the nearest tenth where indicated.
Order: Erythromycin Ethylsuccinate (E.E.S.) Suspension 0.25 g p.o. q6h.
Available:



  What is the usual dose prescribed? 

30 to 50 mg/kg/day

300

Convert the following metric measure by moving the decimals. 85 mL = _________ L

0.085 L

400

DIRECTIONS: Calculate the following dosages using ratio and proportion. Round mL to the nearest tenth except where indicated. Use labels where provided.

Order: Diazepam (Valium) Intensol 10 mg p.o. t.i.d
Available: _________ mL


2 mL

400

DIRECTIONS: Calculate the following dosages using the formula method. Round milliliters to the nearest tenth unless otherwise indicated. Use labels where provided.
Order: Tigan 125 mg IM t.i.d. p.r.n. for nausea.
Available: _____ mL


1.3 mL

400

DIRECTIONS: Calculate the following dosages using dimensional analysis. Round mL to the nearest tenth except where indicated. Use labels where provided.

Order: Calcitrol 1 mcg p.o. daily
Available: ___________ capsules (caps)


2 caps

400

DIRECTIONS: Use the labels, where provided, to obtain the necessary information. Round the answers to the nearest tenth where indicated.
Order: Erythromycin Ethylsuccinate (E.E.S.) Suspension 0.25 g p.o. q6h.
Available:

(e) How long is the medication good for after it has been reconstituted _______ days

35 days

400

Convert the following metric measure by moving the decimals. 10 L = __________ mL

10,000 mL

500

DIRECTIONS: Calculate the following dosages using ratio and proportion. Round mL to the nearest tenth except where indicated. Use labels where provided.

Order: Dexamethasone 5.5 mg IV q6h.
Available: ________ mL


1.4 mL

500

DIRECTIONS: Calculate the following dosages using the formula method. Round milliliters to the nearest tenth unless otherwise indicated. Use labels where provided.
Order: Sandostatin 250 mcg subcut daily.
Available: 1 mL ampule labeled 500 mcg per mL _____ mL

0.5 mL

500

DIRECTIONS: Calculate the following dosages using dimensional analysis. Round mL to the nearest tenth except where indicated. Use labels where provided.

Order: Flagyl 0.75 g p.o. t.i.d. for 5 days
Available: Flagyl capsules labeled 375 mg ___________ capsules (caps)

2 caps

500

DIRECTIONS: Use the labels, where provided, to obtain the necessary information. Round the answers to the nearest tenth where indicated.
Order: Erythromycin Ethylsuccinate (E.E.S.) Suspension 0.25 g p.o. q6h.
Available:

How many milliliters will you administer? _______ mL

3.1 mL

500

Convert the following metric measure by moving the decimals. 5,724 g = _________ kg

5.724 kg