Maths Practice (Dose Volumes)

Question 1

Prescribed: Erythromycin 200mg

Stock: 300mg in 10mL

Answer 1

6.7
(Formula)
200/300x10=

Question 2

Prescribed: Morphine 20mg

Stock: 15mg in 1mL

Answer 2

1.3mg
(Formula)
20/15x1=

Question 3

Prescribed: Atropine 0.5mg

Stock: 0.6mg in 1mL

Answer 3

0.83
(Formula)
0.5/0.6x1=

Question 4

Prescribed: Atropine 800mcg

Stock: 1.2mg in 1mL

Answer 4

0.67
(Formula)
800/1200x1=

You need to convert mg to mcg for the correct answer

Question 5

Prescribed: Naloxone 0.35mg

Stock: 0.4mg/ml

Answer 5

In this case you would round up 0.88
(Formula)
0.35/0.4= 0.875

Question 6

Prescribed: Capreomycin 850 mg

Stock: 2g per mL

Answer 6

In this case you would round up 0.43
(Formula)
850/2000=0.425

You need to convert g to mg for the correct answer

Question 7

Prescribed: Metoclopramide 7mg

Stock: 10mg/2mL

Answer 7

1.4
(Formula)
7/10x2=

Question 8

Prescribed: Heparin 1750 units

Stock: 1000 units per mL

Answer 8

In this case you would round up 1.80
(Formula)
1750/1000=1.75

Question 9

Prescribed: Buscopan 0.25mg

Stock: 0.4mg/2mL

Answer 9

In this case you would round up 1.3
(Formula)
0.25/0.4x2=1.25

Question 10

Prescribed: Morphine 12mg

Stock: 15mg/mL

Answer 10

0.8
(Formula)
12/15=

Question 11

Prescribed: Calciparine 7000 units

Stock: 25 000 units in 1mL

Answer 11

0.28
(Formula)
7000/25,000=

Question 12

Prescribed: Benzylpenicillin 1500mg

Stock: 1.2g in 10mL

Answer 12

12.5
(Formula)
1500/1200x10=

Question 13

Prescribed: Heparin 3000 units

Stock: 5000 units per mL

Answer 13

0.6
(Formula)
3000/5000=

Question 14

Prescribed: Phenobarbitone 70mg

Stock: 200mg/mL

Answer 14

0.35
(Formula)
70/200=

Question 15

Prescribed: Pethidine 80mg

Stock: 100mg in 2mL

Answer 15

1.6
(Formula)
80/100x2

Question 16

Prescribed: Buscopan 0.24mg

Stock: 0.4mg/2mL

Answer 16

1.2
(Formula)
0.24/0.4x2=

Question 17

Prescribed: Digoxin 200mcg

Stock: 500 mcg/2mL

Answer 17

0.8
(Formula)
200/500x2=

Question 18

Prescribed: Furosemide 150mg

Stock: 250mg in 5mL

Answer 18

3
(Formula)
150/250x5=

Question 19

Prescribed: Ondansetron 5mg

Stock: 4mg in 2mL

Answer 19

2.5
(Formula)
5/4x2=

Question 20

Prescribed: Capreomycin 800mg

Stock: 1g in 5mL

Answer 20

4
(Formula)
800/1000x5=

You need to convert g to mg for the correct answer

Question 21

Prescribed: Tramadol 120 mg

Stock: 100mg in 2mL

Answer 21

2.4
(Formula)
120/100x2=

Question 22

Prescribed: Gentamicin 70mg

Stock: 80 mg in 2mL

Answer 22

In this case you would round up to 1.80
(Formula)
70/80x2= 1.75

Question 23

Prescribed: Vancomycin 800mg

Stock: 1g in 5ml

Answer 23

4
(Formula)
800/1000x5=
You need to convert g to mg for the correct answer

Question 24

Prescribed: Morphine 7.5mg

Stock: 10mg in 1mL

Answer 24

0.75
(Formula)
7.5/10x1=

Question 25

Prescribed: Ceftriaxone 1250mg Stock: 1g/3mL

Answer 25

In this case you would round up 3.8 (Formula) 1250/1000x3=3.75 You need to convert g to mg for the correct answer

Question 26

Prescribed: Buscopan 25mg Stock: 20mg in 1mL

Answer 26

In this case you would round up 1.3 (Formula) 25/20x1=1.25

Question 27

Prescribed: Dexamethasone 3mg Stock: 4mg/mL

Answer 27

0.75 (Formula) 3/4=

Question 28

Prescribed: Vancomycin 1.2g Stock: 1000mg/5mL

Answer 28

6 (Formula) 1200/1000x5= You need to convert g to mg for the correct answer

Question 29

Prescribed: Naloxone 0.5mg Stock: 0.4mg/mL

Answer 29

In this case you would round up 1.3 (Formula) 0.5/0.4=1.25

Question 30

Prescribed: Chlorpormazine 50mg Stock:5mg/1mL

Answer 30

10 (Formula) 50/5x1=

Question 31

Prescribed: Flucloxacillin 500mg Stock: 250mg/5mL

Answer 31

10 (Formula) 500/250x5=

Question 32

Prescribed: Paracetamol 500mg Stock: 125mg/5mL

Answer 32

20 (Formula) 500/125x5=

Question 33

Prescribed: Cenirizine 10mg Stock: 1mg/1mL

Answer 33

10 (Formula) 10/1x1=10

Question 34

Prescribed: Captopril 25mg Stock: 5mg/1mL

Answer 34

5 (Formula) 25/5x1=

Question 35

Prescribed: Chlorpormazine 100mg Stock: 5mg/1mL

Answer 35

20 (Formula) 100/5x1=

Question 36

Prescribed:Allopurinol 300mg Stock: 100mg

Answer 36

3 (Formula) 300/100=

Question 37

Prescribed: Omeprazole 20mg Stock: 20mg

Answer 37

1 (Formula) 20/20=

Question 38

Prescribed: Haloperidol 10mg Stock:10mg/1mL

Answer 38

1 (Formula) 10/10x1=

Question 39

Prescribed: Atropine 300mcg Stock: 600mcg/1mL

Answer 39

0.5 (Formula) 300/600x1=

Question 40

Prescribed: Morphine 10mg Stock: 10mg/1mL

Answer 40

1 (Formula) 10/10x1=

Question 41

Prescribed: Diazepam 10mg Stock: 10mg/2mL

Answer 41

2 (Formula) 10/10x2=

Question 42

Prescribed: Amoxycillin 200 mg Stock: 100

Answer 42

2 (Formula) 200/100=

Question 43

Prescribed: Ibuprofen 10mg Stock: 100mg in 5mL

Answer 43

0.5 (Formula) 10/100x5=

Question 44

Prescribed: Flucloxacillin 208mg Stock: 125mg in 5mL

Answer 44

In this case it would be rounded down to 8.3 (Formula) 208/125x5= 8.32

Question 45

Prescribed: Morphine 9mg Stock: 15mg in 1mL

Answer 45

0.6 (Formula) 9/15x1=

Question 46

Prescribed: Clarithromycin 150mg Stock: 250mg/5mL

Answer 46

3 (Formula) 150/250x5=

Question 47

Prescribed: Paracetamol 173mg Stock: 240mg/5mL

Answer 47

3.6 (Formula) 173/240x5=

Question 48

Prescribed: Paracetamol 186mg Stock: 240mg/5mL

Answer 48

In this case you would round up 3.9 (Formula) 186/240x5=3.875

Question 49

Prescribed: Dexamethasone 3mg Stock: 4mg/1mL

Answer 49

0.75 (Formula) 3/4x1=

Question 50

Prescribed:Dexamethasone 8mg Stock: 4mg/1mL

Answer 50

2 (Formula) 8/4x1=