A 65-year-old patient takes alfacalcidol 1.25microgram capsu…

A 65-year-old patient takes alfacalcidol 1.25microgram capsules ONCE daily. She is now unable to swallow and requires switching to oral drops at an approximately equivalent dose. One drop of alfacalcidol 2microgram/mL oral drops contains 0.1microgram of alfacalcidol. How many oral drops should she be advised to take per day. Round your answer to the nearest whole number of drops.

A 6-year-old patient who weighs 20.9kg is prescribed levetir…

A 6-year-old patient who weighs 20.9kg is prescribed levetiracetam at a dose of 15mg/kg twice a day. To aid compliance, each dose volume is rounded to one decimal place. How many millilitres of levetiracetam 100 mg/mL suspension should the child be prescribed for each dose?

A patient asks for your advice about switching from traditio…

A patient asks for your advice about switching from traditional cigarette smoking to electronic cigarettes. The electronic cigarette they have bought is a disposable 2mL device, which contains 20mg/mL of nicotine. When smoking a traditional cigarette, a typical user will inhale 2mg of nicotine per cigarette. How many traditional cigarettes would the 2mL electronic cigarette device be equivalent to?

You receive a prescription from the dermatology ward, which…

You receive a prescription from the dermatology ward, which asks you to prepare 300g of Tar Pomade. Tar Pomade contains 6%w/v coal tar solution and 2%w/w salicylic acid in an emulsifying ointment base. How many grams of salicylic acid is required to make this preparation?

A patient is admitted to hospital after taking an overdose o…

A patient is admitted to hospital after taking an overdose of citalopram tablets. Their blood plasma concentration is measured at 3200ng/L. If citalopram has a half-life of 35 hours, how many hours will it take for the plasma concentration to fall to a safe level of 800ng/L?

A three-year-old child weighing 14kg is started on amlodipin…

A three-year-old child weighing 14kg is started on amlodipine for hypertension as a complication of cardiovascular disease. Amlodipine is available as a 5 mg/5 mL sugar free suspension. The patient will be prescribed the lowest starting dose, as detailed in the BNF extract below. How many millilitres of amlodipine sugar free suspension should be prescribed for each dose? Give your answer to ONE (1) decimal place. Extract from Online BNF