A patient is ordered 40 units/kg IV bolus of Heparin. The patient weighs 154 lbs. Heparin is supplied 25000 units/250mL. How many mL will the nurse administer?
The Correct Answer is ["28"]
Let's calculate the dosage step-by-step:
1. Convert pounds to kilograms:
154 lbs x 2.2 kg = 70 kg
2. Calculate the total dosage:
40 units/kg x 70kg = 2800 units
3. Determine the concentration of heparin in the solution:
25000 units / 250 mL = 100 units/mL
4. Calculate the volume needed:
2800 units / 100 units/mL ≈ 28 mL
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Related Questions
Correct Answer is ["167"]
Explanation
To determine the correct dosage for the client, follow these steps:
1. Convert the client’s weight from pounds to kilograms:
1 pound = 0.453592 kilograms
245 pounds x 0.453592 = 111.13 kilograms (rounded to two decimal places)
2. Calculate the dosage in mg per dose:
The dosage is 1.5 mg/kg.
1.5 mg/kg x 111.13 kg = 166.695 mg
3. Round to the nearest whole number:
166.695 mg rounded to the nearest whole number is 167 mg
Correct Answer is ["11"]
Explanation
To determine the correct IV pump rate for the heparin infusion, follow these steps:
1. Calculate the concentration of heparin in units per mL:
The concentration is 25000 units in 250 mL.
Therefore, 25000 units / 250 mL = 100 units/mL.
2. Determine the infusion rate in mL per hour:
The ordered dose is 1100 units per hour.
Using the concentration, 1100 units/hr / 100 units/mL = 11 mL/hr.
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