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
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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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 B
Explanation
A. Hypovolemic shock is characterized by a significant loss of blood volume. While it can occur due to severe trauma, the symptoms of shortness of breath and chest pain are more indicative of a potential respiratory issue, making Fat Embolism Syndrome (FES) a higher concern in this case.
B. Correct. Given the client's recent multiple long bone fractures and the symptoms of shortness of breath and chest pain, the nurse should be concerned about the possibility of fat embolism syndrome (FES). FES can occur as a result of long bone fractures, particularly those involving the femur, pelvis, or tibia. Fat emboli can enter thebloodstream and potentially obstruct blood vessels, leading to symptoms such as shortness of breath, chest pain, and altered mental status.
C. Venous thromboembolism (VTE) is a condition involving the formation of blood clots in the veins, which can lead to complications such as deep vein thrombosis (DVT) or pulmonary embolism (PE). While this is a consideration for clients with immobilization due to fractures, it is not the primary concern in this case based on the presenting symptoms.
D. Compartment syndrome is a condition characterized by increased pressure within a muscle compartment, leading to decreased blood flow and potential tissue damage. While it can occur after fractures, it typically presents with symptoms like severe pain, swelling, and tense muscles, rather than shortness of breath and chest pain.
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