How many milliliters would be infused in 2 hours if the total is 400 mL over 8 hours?

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Study for the Archer Pharmacology Test to master dosage calculations and medication administration. Use flashcards and multiple choice questions with detailed explanations. Get ready for your exam!

Multiple Choice

How many milliliters would be infused in 2 hours if the total is 400 mL over 8 hours?

Explanation:
Calculating the infusion uses a simple rate concept: total volume divided by total time gives the hourly rate, then multiply by the time you want. Rate = 400 mL ÷ 8 hours = 50 mL per hour. In 2 hours, the infused amount = 50 mL/hour × 2 hours = 100 mL. So, 100 mL would be infused in 2 hours. The other options correspond to incorrect times at this rate: 50 mL would occur in 1 hour, 200 mL in 4 hours, and 0 mL would mean no infusion at all.

Calculating the infusion uses a simple rate concept: total volume divided by total time gives the hourly rate, then multiply by the time you want.

Rate = 400 mL ÷ 8 hours = 50 mL per hour.

In 2 hours, the infused amount = 50 mL/hour × 2 hours = 100 mL.

So, 100 mL would be infused in 2 hours. The other options correspond to incorrect times at this rate: 50 mL would occur in 1 hour, 200 mL in 4 hours, and 0 mL would mean no infusion at all.

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