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Pharmacy Calculation
Household measurements and metric system
| Problem | Answer |
|---|---|
| What is Clarks Rule? What is the formula? | weight (in lb)/150 lb x adult dose = pediatric dose |
| What is Young's Rule? What is the formula? | years/ years + 12 x adult dose = pediatric dose |
| 5. A patient is to take 2.25 g of amoxicillin prior to a dental prodedure. The capsules available are 250 mg per capsule. How many capsules should be dispensed to the patient? | 9 capsules |
| 7. A patient has a prescription order for 15 mg of a drug. The pharmacy has partial container of 2.5 mg tablets. How many tablets will the patient need? | 6 tablets |
| 15. A pediatric patient is to take 45 mcg of Digoxin each morning. The pediatric elixir is available in a 60 ml dropper bottle with the concentration 0.05 mg/ ml. How many milliliters will the patient take with each dose? | 0.9 ml |
| 20. A pediatric patient weighs 21.8 kg and is 52 inches in height. The manufacturer of APAP has a recommended dose of 10 to 15/mg/kg per day. The physician has ordered 325mg. a. what is the minimum dose per day? b. What is the maximum dose per day? | a. 218 mg b.327 mg |
| 20. A pediatric patient weighs 21.8 kg and is 52 inches in height. The manufacturer of APAP has a recommended dose of 10 to 15/mg/kg per day. The physician has ordered 325mg. c. Is the physician's dose within the recommended safe range? | c. Yes (325 is within the safe range of 218mg-327mg |
| A pediatric patient weighs 21.8 kg and is 52 inches in height. The manufacturer of APAP has a recommended dose of 10 to 15/mg/kg per day. The physician has ordered 325mg. d. If the product is available as 160mg/5ml suspension, how many milimiters will th | d. 10.2 ml |
| How many tsp is in 1 tablespoon? | 3 tsp = 1 tbsp |
| How many oz is in a cup? | 8 fl oz = 1 cup |
| How many cups equal a pint? | 2 cups = 1pt |
| How many teaspoons is in a mililiter? | 1 tsp = 5 ml |
| How many tablespoons is in a militer? | 1 tbsp = 15 ml |
| How many oz is in a milliliter? | 1 fl oz = 30ml |
| How many gal is in a milliliter? | 1 gal = 3840 ml |
| 6. How many 5 ml doses are in a 5 fl oz bottle of antibiotic preparation? | 30 doses |
| 10. If there are 125 mg in a teaspoonful of liquid medication , how many grams are in 8 fl oz? | 6 g |
| 12. If there are 75 mg in a tablespoon full, how many milligrams are in a teaspoonful of liquid medication? | 25mg |
| 14. How long will a 4 fl oz bottle of cough syrup last if the child is using 2.5ml every 8 hours? | 16 days |