Calculation Skills: keeping it simple - answers

01 July 2021
Volume 3 · Issue 7

Drug A is available in 250 microgram tablets. Your patient requires 2 mg twice daily. How many tablets will the patient require each day?

Sarah weighs 60 kg. The BNF recommends a dose of 5 mg/kg four times a day of drug B. What total amount of Drug B (in g) will Sarah take each day?

An injection contains 0.75 g/ml of drug C. Express the amount of Drug C in mg.

Your patient has liver disease and the BNF recommends that Drug D should be prescribed at 25% of the normal adult dose. The normal adult dose is 80 mg daily. What daily dose of Drug D should the patient receive?

Intravenous infusion E is available in 1 litre bags. How many litres of fluid will be infused over 4 days if 1 litre is infused every 8 hours?

Drug F is prescribed for 28 days at a dose of 1 g twice daily. Drug F is available in 250 mg tablets. How many tablets need to be dispensed?

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