Extemporaneous practicals assessment

Question 1

What are we checking in accuracy of calculations?

Answer 1

Checking the master formula and all final amounts are correct, also checking they have given units and they are correct.

Question 2

What are we assessing in quantity of product?

Answer 2

Checking the weight of product is correct (within 5%) based on calculations - (In this we must calculate an error margin to see if they have no error, minor error or major error.

Question 3

What are we assessing in appearance and quality?

Answer 3

Colour, texture, fully dissolved, no fluff, lumps, dirt or bits.

Question 4

What are we assessing in evidence of quality control checks & ingredient records?

Answer 4

• All final amounts match the calculations
• Checks by external initials
• Preparation & expiry dates correct
• Product name and amount
• Weights of containers
• Correct manufacturers.

Question 5

What are we checking the product against?

Answer 5

Prescription

Question 6

In task 1- what must we include?

Answer 6

RSoP SOP extemporaneous preparation of …. BP. Include version &date.

• Calculations of product formula based on the master formula
• Provide 2 pieces of additional info i.e labelling/counselling, type of formulation, mandatory statements.

Question 7

With ointments/creams - do you have to make your product formula calculations account for an overage? i.e if Rx asks for 40g you make 45g plus overage

Answer 7

yes

Question 8

With creams and ointments- how much of an overage do you have to calculate for in making the product formula?

Answer 8

10%

Question 9

error margins

Answer 9

Must calculate 10% of the value we want but each way as it could be over or under. Then calculate 5% each way.

Question 10

Aqueous cream BP - dry skin conditions

Answer 10

• Use as a soap substitute when required
• External use only
• Cream formulation (emollient)
• Expiry date 4 weeks from prep

Question 11

Kaolin & morphine mixture BP - diarrhoea

Answer 11

• Shake well before use
• May cause drowsiness - if affected do not drive or operate machinery
• Solution formulation

Question 12

Magnesium trisilicate mixture BP - heart burn, dyspepsia

Answer 12

• Liquid formulation
• Shake well before use
• Do not take in patients who must control their sodium intake

Question 13

Simple linctus (mild non specific cough)

Answer 13

• Shake well before use

- Syrup formulation (dispersed phase is chloroform, liquid is linctus)

Question 14

Oral rehydration salts (diarrhoea)

Answer 14

• Solid formulation
• Avoid if diabetic or avoiding a high salt diet
• Avoid exposure to dust

Question 15

Zinc ointment BP

Answer 15

• For external use only
• Apply to affected areas when required
• Topical formulation - ointment

Question 16

Paediatric paracetamol elixir (pain, anti pyretic)

Answer 16

• Contains paracetamol - do not give this medicine with any other paracetamol containing products
• Shake bottle before use
• Formulation is an elixir

Question 17

Omeprazole oral suspension (acid reflux)

Answer 17

• Formulation is a suspension
• Shake well before use
• Keep refrigerated