A nurse is preparing to administer a continuous heparin infusion at 1600 units/hr. Available is heparin 25.000 units in dextrose 5% in water (DSW) 500 mL The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["32"]
1. Determine the concentration of heparin in the solution:
- There are 25,000 units of heparin in 500 mL of D5W.
- Concentration = 25,000 units / 500 mL = 50 units/mL.
2. Calculate the required mL/hr for the desired infusion rate:
- The order is for 1600 units/hr.
- To find the mL/hr:
ML/HR=desired units/hr divided by unts/ml
=1600/50
=32ml/hr
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Correct Answer is C
Explanation
A. Stating that ibuprofen is the first step in medication therapy for osteoarthritis is not an accurate statement. Medication choices should be made in consultation with a healthcare provider, and different medications may be prescribed based on individual needs.
B. Elevating the legs with pillows is generally not a specific intervention for osteoarthritis in the knees. While elevation can help with other conditions, it is not a primary recommendation for managing knee osteoarthritis.
C. Using either heat or ice can be helpful in relieving discomfort associated with osteoarthritis. This statement indicates an understanding of self-care strategies for managing symptoms.
D. Limiting physical activity is not typically recommended for osteoarthritis management. In fact, regular and appropriate physical activity can be beneficial for maintaining joint function and reducing pain in individuals with osteoarthritis.
Correct Answer is ["32"]
Explanation
- To calculate the infusion rate, use the formula: mL/hr = (units/hr) x (mL) / (units) - Plug in the values from the question: mL/hr = (1600 units/hr) x (500 mL) / (25.000 units) - Simplify and solve: mL/hr = 32
- Round to the nearest whole number: 32
- The answer is 32 mL/hr
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