關(guān)于靜脈采血,下列哪項(xiàng)操作是錯(cuò)誤的?A. 采血前應(yīng)核對(duì)病人信息和采血項(xiàng)目B. 采血時(shí)應(yīng)選擇合適的靜脈,避免在關(guān)節(jié)部位采血C. 采血后應(yīng)立即將血液注入試管,避免震蕩D. 采血后應(yīng)按壓穿刺點(diǎn),防止出血