HESI RN Dosage Calculation Proctored Exam
Calculation
A client is receiving a secondary infusion of azithromycin 500 mg in 500 mL of normal saline (NS) to be infused over 2 hours. The IV administration set delivers 10 gtt/mL. How many gtt/min should the nurse regulate the infusion? (Enter numerical value only. If rounding is required, round to the nearest whole number.)
gtt/min
Explanation & Rationale
Step 1: Identify the total volume. 500 mL Step 2: Identify the infusion time. 2 hours = 120 minutes Step 3: Calculate the infusion rate. 500 ÷ 120 = 4.1667 mL/minute Step 4: Calculate the drops per minute. 4.1667 × 10 = 41.667 Rounded to the nearest whole number = 42 gtt/min
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