1. If a prescription calls for 500 mL of a 10% solution, how many grams of the active ingredient are needed?
A) 50 g
B) 5 g
C) 500 g
D) 10 g
2. How many grams of sodium chloride are needed to make 1 liter of a 0.9% normal saline solution?
A) 9 g
B) 0.9 g
C) 90 g
D) 0.09 g
3. A child weighs 20 kg, and the pediatric dose of a drug is 2 mg/kg. What is the total dose for the child?
A) 10 mg
B) 20 mg
C) 40 mg
D) 60 mg
4. How many milliliters of a 25% w/v stock solution are required to prepare 200 mL of a 10% w/v solution?
A) 40 mL
B) 80 mL
C) 20 mL
D) 100 mL
Answer: B) 80 mL
5. If 500 mg of a drug is dissolved in 250 mL of water, what is the concentration in mg/mL?
A) 0.5 mg/mL
B) 1 mg/mL
C) 2 mg/mL
D) 5 mg/mL
6. A prescription calls for 100 mL of a 5% solution. How many grams of solute are needed?
A) 0.5 g
B) 5 g
C) 50 g
D) 10 g
7. If a pharmacist needs to make 250 mL of a 15% w/v solution, how many grams of solute are required?
A) 37.5 g
B) 25 g
C) 15 g
D) 50 g
8. Calculate the dose of a 50 mg/mL solution if a patient needs 200 mg.
A) 4 mL
B) 2 mL
C) 8 mL
D) 5 mL
9. How many grams of glucose are needed to prepare 500 mL of a 10% w/v glucose solution?
A) 50 g
B) 10 g
C) 5 g
D) 25 g
10. What is the total volume (in mL) needed if 500 mg of a drug is required and the drug solution has a concentration of 20 mg/mL?
A) 20 mL
B) 25 mL
C) 50 mL
D) 10 mL
11. How many milligrams of a drug are in 0.25 L of a 1% solution?
A) 250 mg
B) 25 mg
C) 2.5 mg
D) 2500 mg
12. A prescription requires 750 mg of a drug. If the solution is 150 mg/5 mL, how many mL are needed?
A) 15 mL
B) 25 mL
C) 20 mL
D) 30 mL
13. What is the percentage strength of a solution containing 25 grams of solute in 500 mL of solution?
A) 2.5%
B) 5%
C) 10%
D) 50%
14. How many mL of water should be added to 100 mL of a 20% solution to dilute it to a 10% solution?
A) 100 mL
B) 200 mL
C) 50 mL
D) 150 mL
15. How many mL of a 1:1000 w/v solution of epinephrine are needed to make 50 mL of a 1:10,000 solution?
A) 0.5 mL
B) 5 mL
C) 10 mL
D) 1 mL
16. A prescription calls for 15 mL of a 1% solution. How many mg of active ingredient are needed?
A) 15 mg
B) 150 mg
C) 1.5 mg
D) 1.5 g
17. A stock solution is 10% w/v. How many mL of this stock solution are required to make 1 L of a 2% w/v solution?
A) 200 mL
B) 100 mL
C) 250 mL
D) 500 mL
18. How many mL of a 1:200 solution contain 10 mg of solute?
A) 20 mL
B) 2 mL
C) 5 mL
D) 50 mL
19. A solution contains 5 mg/mL. How many grams are present in 250 mL?
A) 1.25 g
B) 0.125 g
C) 25 g
D) 12.5 g
20. A patient needs 0.25 g of a drug, and the available solution is 100 mg/mL. How many mL should be administered?
A) 2.5 mL
B) 25 mL
C) 5 mL
D) 15 mL
21. What is the dilution ratio when 100 mL of a 15% solution is diluted to 1 L?
A) 1:10
B) 1:9
C) 1:5
D) 1:4
22. If 1.5 g of a drug is dissolved in 250 mL of solution, what is the concentration in % w/v?
A) 0.6%
B) 1.2%
C) 1.5%
D) 6%
23. How many mL of a 2% solution are needed to provide 400 mg of drug?
A) 20 mL
B) 15 mL
C) 10 mL
D) 25 mL
24. How much water should be added to 500 mL of a 50% solution to make it a 25% solution?
A) 500 mL
B) 1000 mL
C) 250 mL
D) 200 mL
25. How many mL of a 1:500 w/v solution contain 1 g of solute?
A) 500 mL
B) 200 mL
C) 1000 mL
D) 400 mL
26. A prescription calls for 5 mL of a 0.02% w/v solution. How many mg of solute does it contain?
A) 0.1 mg
B) 1 mg
C) 10 mg
D) 0.01 mg
27. What is the volume (in mL) of a 0.25% solution that contains 100 mg of drug?
A) 4 mL
B) 40 mL
C) 10 mL
D) 400 mL
28. How many grams of potassium permanganate are needed to make 250 mL of a 1% solution?
A) 2.5 g
B) 25 g
C) 0.25 g
D) 1 g
29. A solution contains 10 mg/mL. How many mL are required to deliver a 100 mg dose?
A) 1 mL
B) 10 mL
C) 5 mL
D) 2 mL
30. How many mL of a 25% solution are needed to make 200 mL of a 5% solution?
A) 20 mL
B) 40 mL
C) 50 mL
D) 30 mL
Answers:
- Pharmaceutical Jurisprudence Important MCQs for Pharmacy License and Loksewa Exam
- Medicinal Chemistry MCQs SAR Related Pharmacy License and Loksewa Exam
Discussion about this post