The nurse collects data on a patient's left knee and notes redness, swelling, and pain. The health-care provider suspects septic arthritis and will perform a diagnostic procedure to aspirate synovial fluid for laboratory analysis. Which procedure does the nurse anticipate for this patient?

Bone biopsy

Arthroscopy

Magnetic resonance imaging (MRI)

Arthrocentesis

Answer and Explanation

The Correct Answer is D

A. Bone biopsy: A bone biopsy involves taking a sample of bone tissue, which is not relevant for diagnosing septic arthritis.

B. Arthroscopy: Arthroscopy is a procedure that involves inserting a camera into the joint to visualize the interior but is not specifically for fluid aspiration.

C. Magnetic resonance imaging (MRI): MRI provides detailed images of soft tissues, joints, and bones but is not a direct method for aspirating synovial fluid.

D. Arthrocentesis: Arthrocentesis is the procedure of aspirating synovial fluid from the joint space, which is essential for diagnosing septic arthritis.

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Correct Answer is D

Explanation

A. Internal rotation. Internal rotation can lead to dislocation of the hip prosthesis and should be avoided.

B. External rotation. External rotation is also not recommended as it can strain the hip joint and lead to dislocation.

C. Adduction. Adduction (bringing the leg toward the midline) increases the risk of hip dislocation.

D. Abduction Correct. Abduction (moving the leg away from the midline) helps prevent dislocation by keeping the prosthesis in a stable position.

A. Apply heat during the first 24 hr. B. Place moderate weight on the affected leg when walking. C. Elevate the affected ankle to the level of the heart. D. Apply the elastic compression dressing tight enough so the toes and ankle become numb.

Correct Answer is C

Explanation

A. Apply heat during the first 24 hr. Applying heat can increase swelling and should be avoided initially. Ice is recommended to reduce swelling.

B. Place moderate weight on the affected leg when walking. The affected leg should not bear weight until the initial acute phase of the injury has passed and pain/swelling has decreased.

C. Elevate the affected ankle to the level of the heart. Correct. Elevating the ankle helps to reduce swelling and promote venous return.

D. Apply the elastic compression dressing tight enough so the toes and ankle become numb. The compression dressing should be snug but not so tight that it restricts blood flow, which can lead to numbness and further injury.

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The nurse collects data on a patient's left knee and notes redness, swelling, and pain. The health-care provider suspects septic arthritis and will perform a diagnostic procedure to aspirate synovial fluid for laboratory analysis. Which procedure does the nurse anticipate for this patient?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is D

Explanation

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Correct Answer is C

Explanation

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