Medication Calculation

The dose to be given is 1.5 g. The stock solution contains 125 mg per 2 ml. How many ml would you give?

The total volume to be given is 4800 ml. The time over which this is to be given is 12 hours. How many ml per hour would you give?

The total volume to be given is 2400 ml. The time over which this is to be given is 24 hours. How many ml per hour would you give?

The total volume to be given is 400 ml. The time over which this is to be given is 4 hours. How many ml per hour would you give?

30 mcg of Medication B has been ordered IV stat. The stock available is 0.03mg in 2ml. Calculate the volume to be administered.

The order is for 187.5 mcg of Medication F. The stock available comes as 62.5mcg tablets. How many tablets will be administered?

You have been asked to care for a sixteen year old girl who has been admitted to the ward for an elective appendicectomy in the morning. At 2300 she asks for Nitrazepam and the order is for 10mg. Stock available is 0.005g. How many tablets should be given?

A patient is to have 60mg pethidine and 0.3mg atropine sulphate as premedication. Calculate the volume of pethidine and atropine sulphate she should receive if the stock available is 100mg/2ml and 600mcg/ml respectively.

• 2.5/3.5

• 3.5/2.5

• 1.2/0.5

• Option 4

There is an order for 300mg of pethidine in a 100ml bag of 0.9% sodium chloride. If the stock available is 100mg/2ml, what volume of pethidine is required for this task and what volume to be removed from the bag to accommodate the pethidine?

• 5/6

• 6/6

• 3.5/3.5

• 4/6

A patient is being discharged and she is ordered one Panadeine tablet 4/24 for the next 48/24. How many tablets should be dispensed on discharge?

300mg of pethidine is made up in 100ml bag of 0.9% normal saline. What is the concentration in mg/ml of the solution?

• 3mg/ml

• 0.3mg/ml

• 1mg/ml

• 6mg/ml

A patient is receiving 3L of intravenous fluid over the next 24 hours. The drop factor is 20drops/ml. How fast should this infusion drip?

• 84

• 54

• 42

• 125

IM Maxalon 10mg may be given 4/24 PRN for nausea. The patient asks you for a dose of this medication at 1100. Calculate the volume to be given if stock available is equivalent to 0.005g/ml.

Mrs Smith is to have 7500 units of Heparin 12 hourly. If stock in the ward is 5000units/0.2ml, what volume should be drawn up?

• 0.3

• 0.25

• 0.35

• 0.40

A 65kg patient is ordered sodium nitroprusside infusion of 3mcg/kg/min. The stock strength contains 50mg of sodium nitroprusside in a 500ml solution. Calculate the rate of flow in ml/hr.

• 120

• 117

• 132

• 185

Change the following quantity from L to mL: 0.7L= mL

Change the following quantity from mL to L: 3600mL= L

Change the following quantity from g to mg: 0.8g= mg

Change the following quantity from mg to g: 5600mg= g

Change the following quantity from microgram to mg: 20mcg to mg

250 ml must be infused over 4 hours. What is this in ml per hour?

• 63

• 4

• 4.16

• 1.04

The order is for Normal Saline 500ml over 2 hours. If you are using a macrodrip giving set (20 drops/mL) what is the required rate in drops per minute?

• 83

• 4

• 84

• 250

A patient is to receive 500ml of normal saline over a period of 4 hours. How many ml an hour will the patient receive?

A patient is prescribed 1 unit of blood over 3 hours. This unit contains 360mls of blood. How many mls an hour will the patient receive?

Diazepam 2mg is ordered. The ward stock is 10mg in 2ml. How many mL must be administered?

A patient is ordered 40mg of chlorpromazine hydrochloride. Ampoules contain 25mg/ml. What volume should be administered?

A patient is ordered 80 units of a drug which is dispensed in 50 units per ml. How much will you give?

Digoxin 0.125mg is ordered. How many 62.5 microgram tablets will you give?

Order for Pethidine is 75mg. An ampoule of Pethidine 100mg in 2ml is available. How much will you give?

You have 100 units of insulin in a 10ml vial. How much will you given if the order is for 17 units?

A patient is ordered Haloperidol 2.5mg IM. The ampoule contains 5mg/ml. How many mL should be given?

A patient is prescribed Gentamycin 60mg IM. The stock ampoules contain 80mg in 2ml. Calculate the volume that should be given.

Codeine phosphate tablets each contain 15mg. How many will give if the patient is ordered 30mg?

37.5 mg Captopril is prescribed daily and you have 25mg in stock. How many tablets will you give?

6 mg Prazosin hydrochloride is prescribed BD and you have 2mg in stock. How many tablets will you give?

12.5mg Enalapril is ordered and you have 5mg in stock. How many tablets will you give?

0.6 grams of Cefazolin IV 4-6 hourly is charted. In stock you have 500mg in 5mls. How many mls will you infuse?

10mg of Morphine IV 4-6 hourly prn is prescribed. On hand you have 120mg in 1.5mls. How many mls will you administer?

• 0.01

• 0.5

• 0.1

• 2.5

610 millilitres of 5% Dextrose in 0.45% sodium chloride remains and is being infused at 25 drops / minute. The drop factor is 15. How long will the infusion take to complete at this rate?

• 366

• 356

• 368

• 400

Total volume to be given is 30ml and it is to be infused over 30minutes. The drop factor is 15. How many drops per minute will be delivered?

The dose to be given is 100mg. The stock solution contains 0.3g/6 ml. How many ml would you give?

The total volume to be given is 3600 ml. The time over which this is to be given is 24 hours. How many ml per hour would you give?

Mrs H weighs 70kg. She is to have 5mg/kg of Medication J. Medication J is supplied as 500mg/5ml. Calculate the volume to be administered.

240mg of Medication E elixir is to be administered. The stock from pharmacy comes as 120mg in 5 ml. Calculate the volume to be administered.

Prochlorperazine 12.5mg is ordered. Stock strength is 0.0125g per one ml ampoule. What volume of prochlorperazine should be administered?

A pethidine infusion has been started for a patient. The order is 300mg of pethidine over a 25 hour period. The pethidine has been added to a 100ml bag of 0.9% sodium chloride and is being delivered via a volumetric pump. What is the concentration (mg/ml) of this medicated?

Change the following quantity from mg to microgram: 0.2mg to mcg

Order for morphine is 5mg. You have 10mg/ml or morphine in stock. How much will you administer?