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# Calculations Exam1

Question | Answer |
---|---|

The AWP for a gallon (3785 ml) of Promethazine DM cough syrup is $18.75, with an additional 20% discount from the wholesaler. What is the cost of 16 oz of the medication? | $1.87 |

From the following directions, how many tablets of Prednisone 5 mg should be dispensed? 2 tabs po qid x 2 days, then 1 tab po tid x 2 days, then 1 tab po qd x 2 days then dc | 24 tabs |

If a prescription sig: states "ii gtts au tid", the drug product may be: | Cortisporin Otic |

How many 250 mg doses are in a 5 oz bottle of 125 mg/5 ml Cefaclor suspension? | 15 doses |

What quantity of Benadryl 12.5 mg/5 ml will be required for a 50 mg dose? | 4 teaspoonfuls |

An I.V. infusion order is received for Theophylline 500 mg in 500 ml of 0.9%NaCl to be infused at 1 mg/kg/hr. The patient weighs 165 lb. What will the flow rate be in ml/min? | 1.2 ml/min |

A Tagamet IV has been ordered to run at 3 drops/min. It contains 1000 mg of Tagamet in a total of 250 ml. How many milligrams of Tagamet will the patient receive per hour if the set is calibrated to deliver 10 gtts/ml? | 72 mg/hr |

One grain of Phenobarbital is equal to how many mg? | 65 mg |

If 15 gallons of distilled water cost $42.00, how much will 4 gallons cost? | $11.20 |

How much medication would be needed for the following order? Prednisone 10 mg, one qid x 4 days, one tid x 2 days, one bid x 1 day, then stop | 24 tabs |

What ratio of 25% KCl and 10% KCl should be mixed to make a 20% KCl solution? | 2:1 |

What would be the selling price of Hydrocortisone cream 1% 30 gm if it costs $7.00 and you want a 50% mark up? | $10.50 |

The risk of a decimal point error is reduced by writing "five milligrams" as: | 5 mg |

What is the total amount of Hydrocortisone found in eight 1-ounce tubes of Hytone cream 2.5%? | 6 gm |

A prescription for Pilocarpine 4% bearing the directions "ii gtt OS bid" should be administered in: | left eye |

How much Elixophyllin elixir 80 mg/15 ml is required for a dose of 240 mg? | 3 tbsp |

A dose is written for 5 mg/kg every eight hours for one day. The adult to take this medication weighs 145 pounds. How much of a drug will be needed to fill this order? | 989 mg |

What is the % equivalent of a 1:8 ratio? | 12.5% |

How many 10 mg minoxidil tablets would be needed to make 60 ml of a 2% solution? | 120 tabs |

What volume of 24% citric acid is needed to prepare eight 3 ounce bottles of 10% citric acid solution? | 300 ml |

If 100 tablets contain 220 mg of a substance, how many grains would 500 tablets contain? | 17.2 gr |

A pharmacy fills an order for 28 Septra tablets containing 0.08 g of Trimethoprim each. How much Trimethoprim is dispensed? | 2240 mg |

The markup for a $35.18 vial of antibiotic is 22%. What is the retail price for this medication? | $42.92 |

The abbreviation "PCN" means what? | penicillin |

If 15 grams of hydrocortisone 1% ointment are combined with 30 grams of a hydrocortisone 2.5% ointment, what is the percentage of a hydrocortisone in the final product? | x=0.15 gm and x=0.75 gm |

Dextrose 25% 1000 ml was ordered, you have only Dextrose 70% solution available. How much of the Dextrose 70% solution will you use to fill this order? | 357 ml of 70% Dextrose |

If a prescription is labeled "ii gtts au tid", the drug product may be: | Cortisporin Otic |

The directions for the use of Gentamicin Ophthalmic drops are "ii gtts au q4h x5d". The proper interpretation of "au" is: | In both ears |

The dose of Ceclor in children is 20 mg/kg/day in divided doses. A prescription for an 82-lb youngster prescribes 375 mg PO TID. After bringing this prescription to the attention of the pharmacist, | 1125 mg |

If an insurance company will pay for a 30 day supply only and the prescription reads "i-ii q4-6h," what is the maximum number of units that can be dispensed? | 360 tabs |

The directions for use for Prednisone 5 mg tablets reads: Sig: 2 tabs po bid for 3 days, 3 tabs po qd for 2 days, 2 tabs po qd for 2 days, 1 tab po qd for 1 day, then 1/2 tab po qd for 1 day. How many tablets should be dispensed? | 24 tabs |

The AWP for a gallon (3785 ml) of Promethazine DM cough syrup is $18.75, with an additional 20% discount from the wholesaler. What is the cost of 1 pint of the medication? | $1.87 |

Sixteen ounces are equal to? | one pint |

How many gallons are contained in 144 pints? | 18 gallons |

The doctor writes a prescription for Na Heparin 20,000 units in 500 ml N.S. Infuse over 8 hours. The administration set delivers 60 drops/ml. What is the flow rate in drops/min? | 63 drops |

If the dosage of a medication is 20 mg/kg/day in three divided doses, what is the dose for a 175 lb patient? | 530 mg tid |

How much of 90% ethanol must be mixed with 10% ethanol to make 1 pint of a 40% ethanol solution? | 177 ml of 90% and 296 ml of 10% |

The dose of Cefaclor in children is 20 mg/kg/day in divided doses. A prescription for an 82 lb. youngster prescribes 375 mg PO TID. After bringing this to the attention of the pharmacist | the dose prescribed is an overdose |

How many 30 mg KMNO4 (Potassium Permanganate) tablets are needed to make the following Solution: KMNO4 1:5000 600 ml. | 4 tabs |

Fentanyl has a concentration of 0.05 mg/ml. How many milliliters do you need for a 800-mcg dose? | 16 ml |

A prescription reading "Septra viii ounces" indicates that: | 8 ounces of septra should be dispensed |

A third party insurance program pays for only a 14 day supply of Skelaxin. If the directions for use read "i - ii tabs po tid-qid", what is the maximum allowed quantity to be dispensed? | 112 tabs |

A Zantac IV has been ordered to run as 2.5 drops/min. It contains 875 mg of Zantac in a total of 250 ml. How many milligrams of Zantac will the patient receive per hour if the set is calibrated to deliver 15 gtts/ml? | 35 mg/hr |

An I.V. infusion order is received for Lidocaine 2 g in 250 ml of 0.9% NaCl to be infused at 3 mg/min. What will the flow rate be in ml/hr? | 22.5 ml/hr |

Assuming that one-pint is equal to 473 ml., how many pints can be found in 3 liters? | 6.3 pints |

The markup for a $36.75 vial of antibiotic is 18%. What is the retail price for this medication? | $43.37 |

A bottle of Nitroglycerin has the labeled strength of l/200 grains. What would this strength be in milligrams? | 0.3 mg |

How much Amoxil 250 mg/5 ml suspension should be dispensed for a 400 mg dose? | 8 ml |

What is the Latin abbreviation for "at bedtime"? | hs |

The approximate size container for the dispensing of 180 ml of liquid medication would be? | 6 ounces |

Created by:
Ayla122
on 2009-05-13