Chapter 20 Dosage for Parenteral Medications TECH Q&A (1 OF 12) Sample Questions
1. You have on hand 10 mL ampoule of isoproterenol 1:5000 solution. How much of this solution would be needed to give 500 mL of 0.25 mg/100 mL of the solution?
- A. 12 mL
- B. 6.25 mL
- C. 24 mL
- D. 100 mL
Ans:
B
Solution:
0.25 mg --- 100 mL
x ---------------500 mL
x = 1.25 mg
1000 mg ---- 5000 mL soln
Thus 1.25 × 5 mL
x = 6.25 mL
0.25 mg --- 100 mL
x ---------------500 mL
x = 1.25 mg
1000 mg ---- 5000 mL soln
Thus 1.25 × 5 mL
x = 6.25 mL