RNSG 1144 Dosage Calculation Review Part I
Milligrams, Grams and Tablets
1.Cardizem 90 mg po bid is ordered for your patient. You have 30 mg tablets on
hand.
You will administer _____ tablet(s).
2. The order states: “Negram 1 Gm po qid. Pharmacy has provided 500 mg
scored tablets.
Each dose is _____ tablet(s).
3. The Physician has prescribed 30 mg of Mevacor po q day with the evening
meal. Pharmacy has provided 40 mg scored tablet(s).
The correct dose is _____ tablet(s).
4.The physician has ordered 1.25 Gm of Glucophage po bid. You have 850 mg
tablets on hand.
You will administer _____ tablet(s).
Milligram & Milliliters
1.The order states: “ Ceclor suspension 500 mg po q 8 hrs. The available
suspension supplies 125 mg. / 5 ml.
You should pour _____ ml. when preparing each dose.
2. The order states amoxicillin 500 mg po. Pharmacy has provided a 400 mg / 5
ml. suspension.
The correct dose is _____ ml.
3. You are to administer 200 mg. of Ferrous Sulfate po. The syrup provided
contains 90 mg/ 5 ml.
You will pour _____ ml.
4. You should administer _____ ml. of valporic acid when giving 200 mg. of a
250 mg./5 ml. syrup.
Units & Milliliters
1.Your patient is to receive 2.5 Units of vasopressin IM. The available vial
contains 20 Units per ml.
The correct dose is _____ ml.
2. The physician has ordered a subcutaneous injection of calcitonin 4 Units/kg of
body weight. The patient weighs 62 kilograms. The vial on hand supplies 200
Units per ml. You should administer _____ ml.
3. The available liquid preparation of Vitamin D provides 8,000 Units / ml. You
will pour _____ ml when preparing a 28,000 Unit dose.
4. You are to administer 1.2 million units of penicillin. The solution on hand
contains 600,000 units / ml.
The correct dose is _____ ml.
Answers:
Mg.,Gm, and Tablets
1.
2.
3.
4.
3 tablets of Cardizem
2 tablets of NegGram
0.75 or ¾ of a Mevacor tablet
1.47 or 1.5 Glucophage tablets
Milligrams & milliliters
1.
2.
3.
4.
20 ml of Ceclor
6.25 ml. amoxicillin
11.11 or 11 ml. Ferrous Sulfate
4 ml of valporic acid
Units & milliliters
1.
2.
3.
4.
0.125 ml. of vasopressin
1.24 ml. calcitonin
3.5 ml. Vitamin D
2 ml. of penicillin