A client is receiving a secondary IV infusion of potassium chloride (KCI) 30 mEq at a rate of 10 mEq an hour. The pharmacy dispenses a 100 mL of 0.9% normal saline (NS) containing KCI 30 mEq. The nurse should program the infusion pump to deliver how many mL/hour (Enter numeric value only. If rounding is required, round to the nearest whole number.)
The Correct Answer is ["33"]
Rationale:
Given:
Total dose of Potassium Chloride: 30 mEq
Volume of solution: 100 mL
Infusion rate: 10 mEq/hour
Step 1: Determine the concentration of Potassium Chloride in the solution:
Concentration (mEq/mL) = Total Potassium Chloride (mEq) / Volume of solution (mL)
Concentration (mEq/mL) = 30 mEq / 100 mL
Concentration (mEq/mL) = 0.3 mEq/mL
Step 2: Calculate the infusion rate in mL/hr:
Infusion rate (mL/hr) = Infusion rate (mEq/hr) / Concentration (mEq/mL)
Infusion rate (mL/hr) = 10 mEq/hr / 0.3 mEq/mL
Infusion rate (mL/hr) = 33.33 mL/hr
Step 3: Round to the nearest whole number:
Infusion rate (mL/hr) ≈ 33 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["40"]
Explanation
Given:
Vial strength: Cefotaxime 2 grams (2000 mg)
Volume of diluent: 50 mL of normal saline
Step 1: Calculate the concentration of Cefotaxime in the reconstituted solution:
Concentration (mg/mL) = Total amount of Cefotaxime (mg) / Total volume of solution (mL)
Concentration (mg/mL) = 2000 mg / 50 mL
Concentration (mg/mL) = 40 mg/mL
Correct Answer is ["8.3"]
Explanation
Given:
Volume of fluid: 500 mL
Infusion rate: 60 mL/hour
Formula:
Infusion time (hours) = Volume (mL) / Infusion rate (mL/hour)
Step 1: Calculate the infusion time:
Infusion time (hours) = 500 mL / 60 mL/hour
Infusion time (hours) = 8.33 hours
Step 2: Round to the nearest tenth:
Infusion time (hours) ≈ 8.3 hours
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