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Practical 1

This document contains 10 multiple choice questions about calculating dosages and quantities for various pharmaceutical preparations. The questions cover topics such as determining the volume of liquid medicine needed based on a patient's dosage, calculating the amount of an active ingredient needed to make a paste or injection solution, and selecting the correct number of drug packets to dispense based on a prescription's instructions. The correct answers to each question are provided at the end.

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Joseph Sabiti
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133 views12 pages

Practical 1

This document contains 10 multiple choice questions about calculating dosages and quantities for various pharmaceutical preparations. The questions cover topics such as determining the volume of liquid medicine needed based on a patient's dosage, calculating the amount of an active ingredient needed to make a paste or injection solution, and selecting the correct number of drug packets to dispense based on a prescription's instructions. The correct answers to each question are provided at the end.

Uploaded by

Joseph Sabiti
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PPTX, PDF, TXT or read online on Scribd
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Practical 1

• A liquid medicine is supplied in a concentration of 20 mg/5


mL. A patient requires 40 mg orally three times daily for 5
days, then 20 mg three times daily for 5 days, then 20 mg
twice daily for 5 days and then 20 mg once daily for 5 days.
Which of the following is the volume of liquid medicine that
you will need to dispense?
A 600 mL
B 200 mL
C 300 mL
D 60 mL
E 30 mL
• You are required to make 350 g of a paste that
contains 15% w/w zinc oxide. Which of the
following is the amount of zinc oxide required?
A 5.25 g
B 52.50 g
C 35.00 g
D 3.50 g
E 15.00 g
• A 1 in 10 000 solution of potassium permanganate
contains which of the following concentrations?
A 50.0 mg potassium permanganate in 500 mL solution
B 1.0 mg potassium permanganate in 100 mL solution
C 5.0 mg potassium permanganate in 500 mL solution
D 1.0 mg potassium permanganate in 1000 mL solution
E 3.0 mg potassium permanganate in 300 mL solution
• Which of the following volumes of an adrenaline 1
in 1000 solution would be given by intramuscular
injection to a 2-year-old child for treatment of
anaphylaxis if the dose were 120 micrograms stat?
A 12.00 mL
B 120.00 mL
C 0.12 mL
D 24.0 mL
E 0.24 mL
• A child requires a single oral daily dose of 7.0
mg/kg body weight of drug A. The child’s weight is
8.0 kg. Which of the following oral daily doses of
drug A is received by this child?
A 0.82 mg
B 8.20 mg
C 82.00 mg
D 5.60 mg
E 56.00 mg
• A patient in one of the residential homes to which you supply
medication is going on holiday and needs her prescriptions made
up for the 5 days that she will be away. If she usually takes
ranitidine 150 mg twice daily and atenolol 50 mg in the morning,
which of the following combinations of Zantac syrup (75 mg
ranitidine/5 mL) and Tenormin syrup (25 mg atenolol/5 mL) would
you supply?
A 50 mL Zantac syrup and 50 mL Tenormin syrup
B 100 mL Zantac syrup and 50 mL Tenormin syrup
C 50 mL Zantac syrup and 100 mL Tenormin syrup
D 150 mL Zantac syrup and 50 mL Tenormin syrup
E 75 mL Zantac syrup and 25 mL Tenormin syrup
• You are presented with a prescription for allopurinol
tablets 100 mg at a dose of 300 mg each day for 14
days, reducing to 200 mg for a further 7 days. How
many packs of 28 tablets should you supply?
A Two
B Three
C One
D Four
E One and a half
• An injection solution contains 0.5% w/v of active
ingredient. How much of the active ingredient is
needed to prepare 500 L of solution?
A 0.25 kg
B 0.50 kg
C 1.00 kg
D 2.50 kg
E 5.00 kg
• A patient taking 10.0 mL Erythroped
suspension (250 mg/5 mL) qid will receive
how much erythromycin each day?
A 2.0 g
B 20.0 g
C 4.0 g
D 40.0 g
E 2.5 g
• You receive a prescription for phenindione tablets 50 mg
with the following instructions: ‘200 mg on day 1, 100
mg on day 2 and then 50 mg daily thereafter’. Mitte: 56
days’ supply. Which of the following is the correct
quantity to supply?
A 60 tablets
B 84 tablets
C 56 tablets
D 120 tablets
E 90 tablets
Answers
1. 300mL. C
2. 52.5g. B
3. 50mg in 500mL. A
4. 0.12mL. C
5. 56mg. E
6. 100ml Zantac and 50ml Tenormin. B
7. 2. A
8. 2.5kg. D
9. 2g. A
10. 60 tablets A

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