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
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["125"]
Explanation
Given:
Total dose of Potassium Chloride: 80 mEq
Volume of solution: 1 liter (1000 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) = 80 mEq / 1000 mL
Concentration (mEq/mL) = 0.08 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 / 0.08 mEq/mL
Infusion rate (mL/hr) = 125 mL/hr
Correct Answer is ["9"]
Explanation
Given:
Ordered dose of insulin: 0.1 units/kg
Patient weight: 200 pounds
Step 1: Convert patient weight from pounds to kilograms:
1 pound (lb) = 0.453592 kilograms (kg)
Patient weight in kg = 200 lbs x 0.453592 kg/lb = 90.718 kg
Step 2: Calculate the total dose of insulin:
Total dose (units) = Ordered dose (units/kg) x Patient weight (kg)
Total dose (units) = 0.1 units/kg x 90.718 kg
Total dose (units) = 9.0718 units
Step 3: Round to the nearest whole number:
Total dose (units) ≈ 9 units
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