A nurse is preparing to administer potassium chloride elixir 40 mEq divided into 2 equal doses every 12 hr. Available is 6.7 mEq/5 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["15"]
Calculate the single dose: 40 mEq / 2 doses = 20 mEq/dose
Calculate the volume: 20 mEq X (5 mL / 6.7 mEq) = 14.93 mL
Round to the nearest whole number: 15 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["100"]
Explanation
Step-by-Step Calculation
Understanding the Problem
We need to administer 50 mL of ampicillin over 30 minutes.
We need to calculate the infusion rate in mL/hr.
Calculations
Convert minutes to hours:
30 minutes = 30/60 hours = 0.5 hours
Calculate the infusion rate:
Infusion rate (mL/hr) = Total volume (mL) / Time (hr)
Infusion rate = 50 mL / 0.5 hr = 100 mL/hr
The nurse should set the pump to deliver 100 mL/hr.
Correct Answer is ["8"]
Explanation
Convert hours to minutes: 3 hours X 60 minutes/hour = 180 minutes
Calculate the total number of drops: 150 mL X 10 gtt/mL = 1500 gtt
Calculate the drip rate: 1500 gtt / 180 minutes = 8.33 gtt/min
Round to the nearest whole number: 8 gtt/min
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