NCLEX-PN Exam Practice

Category - Patient Care

You receive an order for 1000 mL of normal saline over 12 hours. The drop factor is 15 drops per 1 mL. You prepare to set the flow rate at how many drops per minute?
  1. 15 drops a minute
  2. 17 drops a minute
  3. 21 drops a minute
  4. 23 drops a minute
Explanation
Answer: C - The drop rate is 21 drops a minute.
(Total volume ÷ Time in minutes) × Drop factor = Drops per minute

(1000 mL ÷ 720 minutes) × 15 gtts = 1.4 mL/min × 15 gtts = 21 drops a minute
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