**Pharmaceutical Calculation MCQs for Pharmacy Students **

Pharmaceutical Calculation MCQs for Pharmacy Students

**1. What volume of 70% w/w solution of sucrose is required to make 600ml of 15% w/v sucrose solution?**

a. 100ml

b. 107ml

c. 110ml

d. 115ml

**2. What is the dose of drug for a child who has a body surface are equal to 0.57m² if have average dose of a drug is 50mg?**

a. 11mg

b. 34mg

c. 8mg

d. 16mg

**3. Sodium chloride solution is isotonic with blood………..**

a. 0.09% w/v

b. 0.9% w/v

c. 9% w/v

d. 90% w/v

**4. Patient should take 500mg STAT Amoxicilline and TDS for 7 days. In pharmacy we have only 250mg Amoxicilline tablet, How many tablets of Amoxiclline required for complete course.**

a. 21

b. 42

c. 44

d. 50

**5. What percentage of an originally administered intravenous dose of a drug remains in the body following three half-lives**

a. 12.5 %

b. 25.5%

c. 50%

d. 75%

**6. Given a 20% w/v solution of chlorhexidine gluconate, what volume is required to make 400 mL of a 2% w/v solution?**

a. 40 mL

b. 20 mL

c. 80 mL

d. 2mL

**7. In what proporption should alcohol of 95% and 50% strength be mixed to make 70% ?**

a. 1:5

b 2:6

c. 4:5

d. 10:50

**8. How many grams of hydrocortisone are in 3 g of 1.5% hydrocortisone cream?**

a. 0.025g

b. 0.045g

c. 0.089g

d. None

**9. How many milligrams are in a 30ml dose of solution with a concentration of 12.5mg/5ml?**

a. 25mg

b. 50mg

c. 75mg

d. 100mg

**10. How many grams of dextrose are required to prepare 4000 mL of a 5% solution?**

a. 20g

b. 200g

c. 2000g

d. 400g

**11. How many grams of a drug substance should be added to 240 mL of water to make a 4% (w/w) soultion?**

a. 5g

b. 10g

c. 15g

d. 20g

**12. Express 0.02% as a ratio strength.**

a. 1:500

b. 2:5000

c. 1:5000

d. 5:100

**13. How many grams of a drug substance should be added to 1800 mL of water to make a 10% (w/w) solution?**

a. 100g

b. 200g

c. 300g

d. 500g

**14. How much water should be mixed with 5000 mL of 85% v/v alcohol to make 50% v/v alcohol?**

a. 2500ml

b. 5500ml

c. 8500ml

d. 9500ml

**15. How many grams of zinc oxide should be added to 3200 g of 5% zinc oxide ointment to prepare an ointment containing 20% of zinc oxide?**

a. 200g

b. 300g

c. 400g

d. 600g

**16. How many grams of a 1:10 trituration are required to obtain 25 mg of drug?**

a. 0.25g

b. 045g

c. 0.95g

d. 0.75g

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

a. 5%

b. 10%

c. 20%

d. 30%

**18. A hospital pharmacist wants to use three lots of zinc oxide ointment containing, respectively, 50%, 20%, and 5% of zinc oxide. In what proportion should they be mixed to prepare a 10% zinc oxide ointment?**

a. 1:1:10

b. 2:2:5

c. 4:5;6

d. 9:5:6

**19. If 400 mL of a 20% w/v solution were diluted to 2 liters, what would be the per- centage strength (w/v)? **

a. 2%

b. 4%

c. 6%

d. 8%

**20. If an antibiotic injection contains 5% w/v of the drug, how many milliliters of diluent should be added to 5 mL of the injection to prepare a concentration of 5 mg of the antibiotic per milliliter?**

a. 25ml

b. 35ml

c. 45ml

d. 55ml

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