Diagnosis of fibromyalgia syndrome is considered positive when ___ of the 18 trigger points are painful.

A) 8
B) 11
C) 15
D) 18

Fibromyalgia Syndrome

A chronic disorder characterized by widespread musculoskeletal pain, fatigue, and tenderness in localized areas.

Trigger Points

Hyperirritable spots in the fascia surrounding skeletal muscle, often associated with palpable nodules in taut bands of muscle fibers.