A nurse is caring for a client 8 hr postoperative following a total knee replacement. Which of the following actions should the nurse take?

Encourage increased fluid take.

Promote bed rest for 5-7 days.

Place a pillow under the affected limb.

Apply cool compresses to the affected limb every 6 hr.

Answer and Explanation

The Correct Answer is D

A.   Encouraging adequate fluid intake is important postoperatively to maintain hydration and support normal physiological functions. However, the amount of fluid intake should be within the client's tolerance and as prescribed by the healthcare provider. It helps prevent complications such as dehydration and promotes circulation, which is beneficial for wound healing.

B.   While some rest and limited mobility are initially recommended after knee replacement surgery to allow for healing and to prevent complications, prolonged bed rest for 5-7 days is not typically necessary or recommended. Early mobilization and gradual increase in activity are encouraged to prevent complications such as deep vein thrombosis and to promote recovery.
C.   Placing a pillow directly under the knee is not recommended as it can lead to decreased range of motion and potential contractures.
D.   Cold therapy, such as applying cool compresses, is often used to reduce swelling and pain in the initial postoperative period. It can help manage pain and discomfort and promote comfort for the client.

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Correct Answer is ["167"]

Explanation

1 kilogram is equivalent to 2.2 pounds.

The client weighs 245 lbs, which is approximately 111.36 kg (245 lbs / 2.2). The prescribed dosage is 1.5 mg per kilogram.

Therefore, the dosage per dose would be 1.5 mg/kg * 111.36 kg, which equals 167.04 mg. Rounded to the nearest whole number, the nurse should administer 167 mg per dose.

A. Hypophosphatemia B. Hypernatremia C. Hypercalcemia D. Hyperkalemia

Correct Answer is D

Explanation

A. Hypophosphatemia refers to low levels of phosphate in the blood. In prerenal AKI, phosphate levels are typically normal or even elevated due to reduced kidney function and impaired phosphate excretion. Therefore, hypophosphatemia is not expected in prerenal AKI.
B. Hypernatremia refers to high levels of sodium in the blood. In prerenal AKI, sodium levels can be elevated due to reduced kidney function and impaired ability to excrete sodium. This occurs because the kidneys play a crucial role in regulating sodium balance. Therefore, hypernatremia is a possible electrolyte imbalance in prerenal AKI.
C. Hypercalcemia refers to high levels of calcium in the blood. In prerenal AKI, calcium levels are usually normal or decreased due to various factors, including reduced renal excretion of calcium. Therefore, hypercalcemia is not typically seen in prerenal AKI.
D. Hyperkalemia refers to high levels of potassium in the blood. In prerenal AKI, hyperkalemia is a common electrolyte imbalance. Normally, the kidneys play a critical role in potassium excretion. Reduced kidney function in prerenal AKI can lead to impaired potassium excretion, resulting in elevated potassium levels in the blood.

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A nurse is caring for a client 8 hr postoperative following a total knee replacement. Which of the following actions should the nurse take?

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Naxlex Comprehensive Predictor Exams

Correct Answer is ["167"]

Explanation

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Correct Answer is D

Explanation

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