Epidural Layers Midline — FRCA Primary MCQ
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Correct answer: A — Skin / subcutaneous fat / supraspinous ligament / interspinous ligament / ligamentum flavum
Midline approach: skin / subcutaneous fat / supraspinous ligament / interspinous ligament / ligamentum flavum / epidural space. The ligamentum flavum provides the characteristic loss of resistance. In the paramedian approach the supraspinous and interspinous ligaments are bypassed.
Reference: RCoA 2021 Primary FRCA Curriculum