You can complete the questions one at a time or click on 'Show all questions'.

There are 10 questions in this quiz.

Your score, based on your number of tries for each question, will appear at the top of the page once you have correctly answered all questions. If you score less than 100%, revise these calculations, then attempt this quiz again.

Hint Before you do any calculation, the units of weight (eg grams & milligrams) need to be expressed in the same units (eg grams or milligrams). The calculation will be easier if you always convert the larger unit (eg grams) so that it is the same as the smaller unit (eg milligrams).

The dose to be given is 5000 mg. The stock solution contains 2 g per 10 ml.

How many ml would you give?

25

2.5

250

The dose to be given is 0.25 g. The stock solution contains 100 mg per 2 ml.

How many ml would you give?

5

50

25

The dose to be given is 4 g. The stock solution contains 160 mg per 5 ml.

How many ml would you give?

125

1.25

12.5

The dose to be given is 500 mg. The stock solution contains 1.25 g/10 ml.

How many ml would you give?

4

40

400

The dose to be given is 1.5 g. The stock solution contains 125 mg per 2 ml.

How many ml would you give?

24

2.4

240

The dose to be given is 250 mg. The stock solution contains 0.5 g /50 ml.

How many ml would you give?

25

2.5

250

The dose to be given is 2000 mg. The stock solution contains 1 g per 15 ml.

How many ml would you give?

30

3.0

300

The dose to be given is 700 mg. The stock solution contains 1 g /10 ml.

How many ml would you give?

7

70

700

The dose to be given is 100 mg. The stock solution contains 0.3 g /6 ml.

How many ml would you give?

2

20

200

The dose to be given is 75 g. The stock solution contains 500 mg in 2 ml.