A nurse is caring for a client who is postoperative hip arthroplasty and has a new prescription for enoxaparin 1 mg/kg/dose subcutaneously every 12 hr. The client weighs 95 lbs. How many mg should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["43.2"]
- To calculate the dose of enoxaparin, first convert the client's weight from pounds to kilograms by dividing by 2.2.
- 95 lbs / 2.2 = 43.18 kg
- Then, multiply the weight in kilograms by the prescribed dose of 1 mg/kg. - 43.18 kg x 1 mg/kg = 43.18 mg
- Finally, round the answer to the nearest tenth of a milligram.
- 43.18 mg ≈ 43.2 mg
- Therefore, the nurse should administer 43.2 mg of enoxaparin per dose subcutaneously every 12 hours.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Remain on bedrest for the first 24 hr.: This is not recommended after arthroscopic knee surgery. Early mobilization and ambulation are encouraged to prevent complications such as blood clots and promote healing.
B. Apply ice to the affected area: This is an important instruction. Applying ice can help reduce swelling and pain after surgery. It's typically recommended for the first 24-48 hours.
C. Begin active range of motion: While range of motion exercises are important, they should be initiated as directed by the healthcare provider, and they should be done gently to avoid straining the surgical site.
D. Keep the leg in a dependent position: This is not recommended. Elevating the leg can help reduce swelling and promote circulation. Keeping the leg in a dependent position could exacerbate swelling and discomfort.
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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