A boy is to receive dextrose 5% via an infusion pump set to 60 mL/h. How much dextrose will he receive in 12 hours?

A boy is to receive dextrose 5% via an infusion pump set to 60 mL/h. How much dextrose will he receive in 12 hours?

• A. 600 mL
• B. 720 mL
• C. 780 mL
• D. 660 mL

Answer: (B)

The main idea is rate × time = volume delivered. The infusion set delivers 60 mL of solution each hour. Over 12 hours, the total volume is 60 × 12 = 720 mL. So the boy will receive 720 mL of the dextrose solution. If you needed the amount of dextrose in grams, 720 mL contains 36 g (since 5 g per 100 mL).

The main idea is rate × time = volume delivered. The infusion set delivers 60 mL of solution each hour. Over 12 hours, the total volume is 60 × 12 = 720 mL. So the boy will receive 720 mL of the dextrose solution. If you needed the amount of dextrose in grams, 720 mL contains 36 g (since 5 g per 100 mL).