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Questions and Answers
Dispensing solid dosage forms involves interpreting dosage instructions and no calculations for the ______.
patient
In dimensional analysis, we can express the same quantity in different ______.
units
A prescription for Metformin states that the patient should take 1 g tab BD; this requires knowledge of how many ______ in the stock is available.
tablets
The weight-based dosing for Paracetamol susp is 15 mg/______ QDS.
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To convert measurements, you can use the method that works for ______.
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In dispensing liquid dosage forms, the syrup available is 15 mg/mL, and the doctor prescribes 150 mg ______.
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The stock for Ranitidine syrup is 15 mg/______, making calculations for daily doses essential.
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For a 10-year-old child weighing 30 kg, the prescription dosage will be based on the child's weight in ______.
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When dispensing corticosteroids, the calculations are necessary for determining the correct ______.
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A week's worth of medication can be calculated by converting ______ to hours.
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Paracetamol has a recommended dose for a 10-year-old child of 15mg/kg body-weight four times a day. The child weighs ______ kg.
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A suspension is available at a concentration of 200mg/______ mL.
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The dose of codeine for a child (15 kg) is ______ mcg/kg.
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For the lactulose dosage regimen, the patient takes ______ mL spoonfuls three times a day.
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The patient buys a ______ mL bottle of lactulose for constipation.
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A prescription contains the following instructions: Prednisolone ______ mg x 5/7.
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Reduce Prednisolone by ______ mg every 5 days until 0.
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To calculate the volume of codeine needed, if it is available as a ______ mg/mL ampoule.
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The dosage regimen for lactulose is taken ______ times a day.
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If the patient takes lactulose for ______ days, the mixture will last based on the total volume.
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Compounding calculations involve ratios and ______.
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A GP orders 250 mL of 15% (v/v) solution to be prepared from a stock supply of ______% (v/v) solution.
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To prepare an ointment with a higher concentration, one can add more ______ to the mixture.
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The equation for calculating concentration is based on total weight and the amount of ______ present.
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To provide 150 mg of dextrose, a patient needs ______ mL of D5W.
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If the percentage concentration of salicylic acid is increased from 10% to ______%, additional acid must be added.
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In the BMX formula, 110 mL of Benylin and 110 mL of ______ are used.
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For dilution calculations, the formula used is concentration times total volume equals ______.
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A 25 mL sachet containing 0.015 % w/v Chlorhexidine would have a specific amount of ______ based on its concentration.
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To convert a stock solution into a diluted one, the required amount of ______ must be determined.
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To create 500 mL of BMX, you would need approximately ______ mL of Maalox.
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The formula indicates that the concentration quantity stays ______.
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To find the % w/w strength, one must consider the weight of the solid ingredient and the ______.
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The formula to calculate mg of Drug X for an 8 % w/v solution involves the volume in ______.
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For the dilution of solids, we often need to adjust the ______ concentration.
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In a calculation for salicylic acid, the total weight is essential to determine the correct ______.
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To produce a 0.5% w/w sulphur ointment from 50g of 2% ointment, add yellow soft ______.
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Dilutions can also be applied to mixtures of ______.
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To create a solution with desired properties, one might need to know both the ______ and the concentration of ingredients.
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When preparing a solution, you should always round to the nearest ______ to ensure accuracy in measurements.
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Study Notes
Medicine Dispensing
- Dosage instructions should be interpreted by healthcare professionals, not patients.
- Simple measurement methods should be used for dispensing medication.
- Consideration should be given to children and appropriate dosage forms.
Dispensing Calculations
- Solid Dosage Forms: Calculate tablets needed per day based on dosage and frequency.
- Liquid Dosage Forms: Calculate milliliters needed per day based on dosage and frequency.
- Weight-Based Dosing: Calculate milliliters needed for a prescription based on weight, dosage, frequency, and duration.
- Corticosteroid Dispensing Calculate tablet supply based on dosage reduction schedule over a period of days.
Dimensional Analysis
- A method for converting quantities to different units.
Calculations with Ratios and Proportions
- Calculate the volume needed to achieve a target dose of an ingredient.
- Concentration remains constant.
Dilution of Stock Solutions (Liquids)
- Calculate the volume of stock solution needed to prepare a specific volume of a diluted solution.
- Active pharmaceutical ingredient (API) quantity remains constant.
Following a Formula
- Calculate the amount of an ingredient needed to prepare a specific volume of a compound mixture.
Dilution of Solids
- Calculate the weight of an excipient needed to dilute a solid preparation to a specific concentration.
- API quantity remains constant.
Increasing Concentration
- Calculate the weight of a solid ingredient needed to increase the concentration of a preparation.
Compounding
- Compounding of medications from raw ingredients is becoming less common, with more focus on prefabricated forms.
Compounding Calculations
- Calculations involving ratios and proportions.
- Dilutions, mixtures, and compounding procedures.
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Description
Test your knowledge on medicine dispensing and dosage calculations. This quiz covers various aspects such as solid and liquid dosage forms, weight-based dosing, and dimensional analysis. Make sure to brush up on your calculations for safe and effective medication management.
