单项选择题A resident physician demonstrating the correct technique for inserting a subclavian central venous line. He has a medical student palpate the clavicle, then the chest wall below it. The first bony structure that can be palpated below the inferior margin of the medical portion of the clavicle is the A、acromion B、atlas C、first rib D、manubrium E、second rib
单项选择题政府网站的核心服务内容是() A、互动交流 B、信息服务 C、办事服务 D、解读交流