Question

15. Ampicillin 500 mg IV q6h. How many cc of the drug will be administered if the stock is 1 g vial? IV. Dosage Calculation by Body Mass 16. Fluorouracil 12 mg/kg/day IV, not to exceed 800 mg/day. The adult weighs 132 lbs. How many mg of the drug should the client receive per day? 17. Luminal 10 mg/kg IV. Client weighs 45 kg. How many ml should be administered if the stock is 130 mg/ml? 18. Diphenhydramine 50 mg qid. Weight = 15 lbs. Drug dosage = 20-40 mg/kg/day. a) How many mL of the drug should be administered if the stock is 125 mg/5 ml? b) Is the drug dosage within the recommended range? 19. Oxacillin 40 mg/kg/day in four divided dosage. Child weighs 33 lbs. a) How many mg should the client receive per day? b) How many ml of the drug should be administered per dose of the stock is 250 mg/5 ml? V. Dosage Calculation by Body Surface Area 20. Mustargen 6 mg/mº as a single IV dose. BSA = 1.5 m? How many ml should be administered per dose if eh stock 10 mg/ml? 21. Cyclophosphamide 100 mg/m²/day p.o. What is the dose per day if the client weighs 160 lbs and is 5 ft and 10 in. tall? 22. Sulfisoxazole 2 g/ m² / day in four divided doses. Child's height is 50 in. and weighs 60 lbs. a) What is the dose per day? b) How many ml of the drug should be administered per dose if the stock is 500 mg/5 ml? 23. Methotrexate 50 mg/m²/weekly. Height = 54 Weight = 90 lbs. Drug dosage: 25-75 mg/m² / weekly. a) What is the weekly dose? b) Is it within the recommended range?

Answer 1

15. Ampicillin 500 mg IV 6hrly.

Available quantity 1gram per vial.

Answer - 1 g is equal to 1000 mg.

We need 500 mg of the drug so, we have to administer half vial of the drug.

Note - the answer is a half vial of the drug because there is no data about how many ml the vial contains.

16.

Fluorouracil 12mg/kg/day IV, Should not be exceed 800mg/day.

Adult weights 132lbs (59.8 kg)

The client requires

12mg/kg x 59.8kg = 717.6mg/day

Answer - 717.6 mg of the drug should client receive per day.

17.

Luminal 10mg/kg IV. Available quantity 130mg/ml

The client weighs 45 kg.

So, the client requires 450 of drugs.

10mg/kg x 45kg = 450mg

available quantity 130mg/ml, So the client requires 3.46ml.

450mg + 130mg/ml = 3.46ml

Answer - 3.46 ml should be administered.

18.

Diphenhydramine 50mg qid.

Weight 15 lbs(6.8 kg). Drug dose 20-40 mg/kg/day.

a. Available quantity 125mg/5ml. (25mg / ml)

125mg - 5ml = 25mg/ml

The dose required for the patient will be

Minimum Dose

6.8kg x 20mg/kg = 136mg/day

Maximum Dose

6.8kg x 40mg/kg = 272mg/day

So, you should administer

for minimum dose.

136mg - 25mg/ml = 5.4ml

272mg + 25mg/ml = 10.9ml
for maximum dose

Answer - 5.4ml of the drug should be administered for a minimum dose and 10.9 ml of the drug should be administered for maximum dose.

b. Yes, the drug dose within recommended range.