A nurse is preparing to administer dextrose 5% in lactated Ringer's 2 L IV to infuse over 12 hr. The drop factor on the manual IV tubing is 20 gtt/mL. The nurse should set the IV flow rate to deliver how many gtt/min? (Round the answer to the nearest whole number.
Use a leading zero if it applies.
Do not use a trailing zero.). gtt/min.
The Correct Answer is ["56"]
Step 1 is to calculate the total volume to be infused in minutes. This is done by multiplying the total volume (2000 mL) by the drop factor (20 gtt/mL), and then dividing by the total time (12 hr × 60 min/hr). So, (2000 mL × 20 gtt/mL) ÷ (12 hr × 60 min/hr) = 55.56 gtt/min, which rounds to 56 gtt/min.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
Step 1 is to determine the amount of medication needed. The order is for 1 g and the available medication is 1 g/10 mL. So, we calculate 1 g ÷ 1 g/10 mL = 10 mL. Since 1 tsp is approximately 5 mL, we then calculate 10 mL ÷ 5 mL/tsp = 2 tsp. So the correct answer is 2 tsp.
Correct Answer is ["2 mL"]
Explanation
Step 1 is to find out how many mg are in 1 mL after reconstitution. This is done by dividing the total amount of mg available (1000 mg) by the total volume in mL after reconstitution (3.4 mL). So, 1000 mg ÷ 3.4 mL = 294.12 mg/mL. Step 2 is to find out how many mL are needed to get 500 mg. This is done by dividing the required amount in mg (500 mg) by the concentration in mg/mL (294.12 mg/mL). So, 500 mg ÷ 294.12 mg/mL = 1.7 mL. So the correct answer is 2 mL (rounded to the nearest whole number).
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