**1. How many parts of 10% w/v solution and 4% w/v are to be mixed to produce 8% w/v solution. **

- 1:2
**2:1**- 1:3
- 3:1

**2. How many grams of sodium chloride in 300ml of 0.9% w/v isotonic solution of NS**

- 1.6g
- 2g
- 5g
**2.7g**

**3. What is the percentage of zinc oxide in an ointment prepared by mixing 200g of 10% ointment, 50g of 20% ointment, and 100g of 5% ointment?**

- 5%
**10%**- 15%
- 20%

**4. How many ml of liquified phenol should be used in compounding 240ml calamine lotion having 2.5% liquified phenol?**

- 2ml
- 4ml
**6ml**- 8ml

**5. How many ml of 5% solution can be made from 40g of ephedrine sulphate?**

**800ml**- 600ml
- 400ml
- 200ml

**6. What is the % of zinc oxide in an ointment prepared ny mixing 200g of ointment, 50g of 20% ointment and 100g of 5% ointment?**

- 2%
- 5%
- 7%
**10%**

**7. How many grams of a drug substance should be dissolved to make 4% (w/w) drug substance in 240g of solution with water?**

- 1000g
- 2000g
**6000g**- 8000g

**8. You receive a prescription for amoxicillin 500mg stat, then 250mg t.i. d. x 10 days. How many 250mg capsule will you dispense?**

- 28 Capsules
- 30 Capsules
**32 Capsules**- 34 Capsules

**9. Using Young’s rule, calculate the dose for a 5 year old child if the adult dose is 340mg.**

**100mg**- 200mg
- 400mg
- 800mg

**10. Calculate the weight of 200ml of alcohol whose density is 0.816g/ml**

- 135g
- 133g
- 140g
**163.2g**

**11. Calculate the amount of 95% alcohol required to prepare 400ml of 45% alcohol **

- 150ml
**184ml**- 190ml
- 200ml

**12. Calculate the volume of 95% alcohol required to prepare 6ooml of 70% alcohol. **

- 100ml
**157ml**- 180ml
- 200ml

**13. What is the dose for an 8 months old infant if the average adult dose of a drug is 250mg **

- 10mg
**13.3mg**- 15mg
- 18mg

**14. A penicillin solution has a half life of 21 days. How long will take it for the potency to drop to 80% of the initial potency.**

**0.033**- 0.20
- 0.110
- 0

**15. Calculate the volume of 2kg of glycerin. The density of glycerin is 1.25g/ml. **

- 500ml
- 1000ml
**1600ml**- 2000ml

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