Questions and Answers
What is the main function of synovial fluid?
Nutrition of the cartilage.
Why does normal synovial fluid not clot?
It lacks large plasma proteins like fibrinogen.
What is the glucose concentration in normal synovial fluid?
Similar to plasma
Why is synovial fluid essentially acellular?
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What is the color of normal synovial fluid in adults?
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What is the protein concentration in normal synovial fluid compared to plasma?
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What is the purpose of synovial fluid analysis?
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Why is synovial fluid called 'synovial'?
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What is the function of synovial fluid in the joints?
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What is the purpose of sample collection (arthrocentesis) in synovial fluid analysis?
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What is the significance of synovial fluid protein levels compared to plasma?
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In what condition is synovial fluid analysis crucial for diagnosis and treatment?
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Synovial fluid is a thin liquid found in the cavities of most joints.
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Synovial fluid analysis is only useful in diagnosing joint-related problems such as pain and redness.
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Synovial fluid protein concentration is higher than that of plasma.
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The synovium produces synovial fluid to allow bones to stick together.
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Synovial fluid glucose concentration is lower than that of plasma.
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The color of normal synovial fluid in adults is similar to egg yolk.
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Sodium fluoride is added to synovial fluid before collection to preserve glucose levels?
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Large plasma proteins such as fibrinogen are present in normal synovial fluid?
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The synovial membrane permits the entry of molecules up to 15kD into the synovial fluid?
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Normal synovial fluid in adults has a WBC count of < 2000 cells/mm3?
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The protein concentration in normal synovial fluid is higher than that of plasma?
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Normal synovial fluid has a high content of red blood cells?
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Study Notes
Synovial Fluid
- Synovial fluid is a thin liquid found in the cavities of most joints.
- The main function of synovial fluid is to allow bones to move smoothly and to reduce friction between them.
Characteristics of Normal Synovial Fluid
- Normal synovial fluid in adults is clear and pale yellow in color.
- The glucose concentration in normal synovial fluid is similar to that of plasma.
- The protein concentration in normal synovial fluid is lower than that of plasma.
- Normal synovial fluid has a WBC count of < 2000 cells/mm3.
- Normal synovial fluid has a low red blood cell count.
- Synovial fluid is essentially acellular.
Synovial Fluid Analysis
- The purpose of synovial fluid analysis is for the diagnosis and treatment of joint-related problems.
- Synovial fluid analysis is crucial for the diagnosis and treatment of conditions such as septic arthritis.
- Sample collection (arthrocentesis) is necessary for synovial fluid analysis.
- Sodium fluoride is added to synovial fluid before collection to preserve glucose levels.
Synovial Fluid Production
- The synovium produces synovial fluid to allow bones to move smoothly.
- The synovial membrane permits the entry of molecules up to 15kD into the synovial fluid.
Synovial Fluid Clotting
- Normal synovial fluid does not clot due to the absence of large plasma proteins such as fibrinogen.
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