This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, 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: Trapezius originates from the occiput and inserts onto clavicle and scapula.