A heparin infusion is prescribed for a client who weighs 220 pounds. After administering a bolus dose of 80 units/kg, the nurse calculates the infusion rate for the heparin solution at 18 units/kg/hour. The available solution is "Heparin Sodium 25,000 Units in 5% Dextrose Injection 250 mL". 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 ["18"]
Calculation:
- Convert the client's weight from pounds (lb) to kilograms (kg).
The client's weight is 220 lb.
Client weight (kg) = 220 lb/2.2 lb/kg
= 100 kg.
- Calculate the total heparin dose to be administered per hour (units/hr).
The ordered rate is 18 units/kg/hour.
Total dose rate (units/hr) = 18 units/kg/hour×100 kg
= 1800 units/hr.
- Determine the concentration of the available solution (units/mL).
Available solution is 25,000 units in 250 mL.
Concentration (units/mL) = 25,000 units/250 mL
= 100 units/mL.
- Calculate the infusion rate in milliliters per hour (mL/hr).
Infusion rate (mL/hr) = Total dose rate (units/hr)/Concentration (units/mL)
= 1800 units/hr/100 units/mL
= 18 mL/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Use electric heating pad when pain is at its worse: Heat can help relieve stiffness in arthritis, but during acute gout flares, applying heat may exacerbate inflammation. Cold therapy is generally recommended during severe joint pain episodes.
B. Increase fluid intake to 2000 mL per day: Adequate hydration helps prevent uric acid crystal formation, which can reduce the frequency and severity of gout attacks. Encouraging increased fluid intake is an important part of long-term management in clients with gouty arthritis.
C. Exercise daily for at least 30 minutes: While regular exercise supports weight loss and overall joint health, exercising during an acute flare can worsen pain and potentially injure the affected joint. Activity should be resumed gradually once inflammation subsides.
D. Eat high protein foods to achieve ideal body weight: High-protein diets, especially those rich in purines (e.g., red meat, organ meats), can exacerbate gout. Discharge teaching should focus on balanced nutrition with attention to foods that minimize uric acid levels.
Correct Answer is "{\"xRanges\":[24.75253686935637,42.04549690532573],\"yRanges\":[62.826215561361366,80.16865945855535]}"
Explanation
To measure blood pressure from the left thigh, the diaphragm of the stethoscope should be placed over the popliteal artery, which is located behind the knee. This placement allows you to auscultate the Korotkoff sounds accurately when measuring thigh blood pressure.

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