This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Upper limb- bones and muscles(proximal) and scapular movement, Subject name: Anatomy
Trapezius is attached to all structures EXCEPT: 
Select and explain. 
A. First rib, B. Clavicle, C. Scapula, D. Occiput
A: First rib
Answer: A: First rib 
Explanation: Origin: Occipital bone, ligamentum nuchae, spinous processes of seventh cervical and all thoracic veebrae Inseion: Clavicle, acromion, spine of scapula