1. NUR250 Clinical Nursing Practicum Module 5 questions 2025 new update test with correct answers selected Excelsior University 1. A nurse is educating a client about the pathophysiology of osteoarthritis. Which of the following statements by the nurse describes the cause of osteoarthritis? A “Osteoarthritis results from an autoimmune response that attacks the synovial membrane.” B “Osteoarthritis is caused by an infection in the joints.” C “Osteoarthritis results from damage to the articular cartilage due to overuse or injury.” D “Osteoarthritis is caused by urate crystal deposits within the joint space.” 2. Match the following osteoarthritis-related terms with their correct description. Hardening of bone from wear that causes further inflammation and discomfort Sclerosis A grating or crunching sound or sensation that can accompany joint movement Crepitus Fluid-filled cavities in the bone that can form in damaged joints Bone cyst Bony growths that can form due to friction in a joint where cartilage has degenerated Bone spur
Laboratory Testing and Diagnostic Studies There is not a definitive laboratory test for osteoarthritis, so clinical presentation and diagnostic imaging is primarily used for diagnosis. However, laboratory testing may be done to rule out other conditions because joint pain is common among other types of arthritis or with infection. An erythrocyte sedimentation rate (ESR) test can be done on a blood sample to show if inflammation is present. Fluid obtained from an arthrocentesis can be analyzed and used to rule out RA, an infection, or crystal arthropathy in the joint. In addition, negative Gram stains and cultures can be performed, or the fluid may be viewed under a polarized microscope to look for crystallization. Blood may be tested to rule out other causes of pain and dysfunction. However, the Creactive protein (CRP), which is an inflammation biomarker, is usually higher in clients who have RA; studies also have shown it to be elevated in clients who have osteoarthritis. This is thought to be because elevated CRP