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?