QL Block Dermatomes — FRCA Final MCQ
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Correct answer: B — C3-C5
QL block: LA spreads through thoracolumbar fascia, potentially into paravertebral space. Covers T7-L1, provides both somatic and visceral analgesia via QL3 (anterior) approach.
Reference: Blanco – 2015 – QL block; RCOA – 2023