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CRNE Exam Prep

Category - Changes in Health

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A physician orders ceftizoxime sodium, 1 mg in 50 ml normal saline to be infused over 30 minutes. The drop factor is 15 drops per ml. A nurse prepares the flow rate at how many drops per minute?

20 drops
25 drops
30 drops
35 drops

Explanation

Answer: B - To obtain flow rate, use the IV flow rate formula:

Total volume x drop factor = drops per minute
Time in minutes

50 ml x 15gtts/ml = 25 drops per minute
30 minutes

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