The Kernig sign indicates irritation of which tissue?

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Multiple Choice

The Kernig sign indicates irritation of which tissue?

Explanation:
The Kernig sign indicates irritation of the meninges, the membranes surrounding the brain and spinal cord. When the meninges are inflamed, extending the knee after the hip is flexed stretches the meninges and nerve roots, producing pain and resistance to straightening the leg. This pattern is commonly seen with meningitis or other conditions causing meningeal irritation. It’s not about myocardial tissue, muscles, or joint lining (synovial tissue), which would present differently.

The Kernig sign indicates irritation of the meninges, the membranes surrounding the brain and spinal cord. When the meninges are inflamed, extending the knee after the hip is flexed stretches the meninges and nerve roots, producing pain and resistance to straightening the leg. This pattern is commonly seen with meningitis or other conditions causing meningeal irritation. It’s not about myocardial tissue, muscles, or joint lining (synovial tissue), which would present differently.

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