Practice Question
A continuous heparin infusion is to begin at 15 units/kg/hr for a client weighing 82 kg. Available: 25,000 units of heparin in 250 mL D5W. Calculate the mL/hr. (the pump is capable of delivering in tenths of an mL).
Answer Choices:
Correct Answer:
12.3 mL/hr
Rationale:
Step 1: Calculate the required dose in units per hour
15 units/kg/hr×82 kg=1,230 units/hr
Step 2: Determine the concentration of the solution
25,000 units÷250 mL=100 units/mL
Step 3: Calculate the infusion rate in mL/hr
1,230 units/hr÷100 units/mL=12.3 mL/hr
✅ Final Answer: A. 12.3 mL/hr
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This question is from ATI LPN Pharmacology Exam III which contains 53 questions.
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Answer Choices:
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Question Details
- Category: LPN Nursing Exam(s)
- Subcategory: LPN ATI Exams
- Domain: Pharmacology
- Answer Choices: 4