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. "Osteoarthritis causes the joints to become red and hot." This is more characteristic of rheumatoid arthritis, which involves inflammation leading to redness and warmth. Osteoarthritis typically causes pain and stiffness without significant redness or heat.

B. "Osteoarthritis is caused by an autoimmune process." Rheumatoid arthritis is an autoimmune disease where the body's immune system attacks its own tissues. Osteoarthritis is a degenerative joint disease caused by wear and tear of the cartilage.

C. "Osteoarthritis affects other organs in the body." Rheumatoid arthritis is a systemic condition that can affect multiple organs. Osteoarthritis is localized to the joints and does not affect other organs.

D. "Osteoarthritis can impair a joint on a single side of the body." Osteoarthritis can affect one joint or joints on one side of the body, such as one knee or one hip, whereas rheumatoid arthritis typically affects joints symmetrically.

A. Pallor following elevation of the right leg. B. Bulging in the area over the surgical incision. C. Sensation of warmth over the surgical site. D. Shortening of the right leg.

Correct Answer is D

Explanation

A. Pallor following elevation of the right leg. Pallor is not a typical sign of hip dislocation.

B. Bulging in the area over the surgical incision. This could indicate a hematoma or infection, not specifically dislocation.

C. Sensation of warmth over the surgical site. Warmth can indicate infection or inflammation, but is not a primary sign of dislocation.

D. Shortening of the right leg. Correct. Shortening of the leg is a classic sign of hip dislocation post-arthroplasty.

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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

A nurse is discussing the difference between rheumatoid arthritis (RA) and osteoarthritis with a newly hired nurse. Which of the following information should the nurse include about osteoarthritis?

Correct Answer is D

Explanation

A nurse is caring for a client who is 3 days post-operative from a right hip arthroplasty. While transferring to a chair, the client cries out in pain. The nurse should examine the client for which of the following manifestations of dislocation of the hip prosthesis.

Correct Answer is D

Explanation

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