疝修补术后切口部位放置沙袋的主要作用是() A.减轻切口疼痛 B.减少切口张力 C. 发布时间:2017-05-28 11:55 │ 来源:www.tikuol.com 题型:单项选择题 A1/A2型题 问题: 疝修补术后切口部位放置沙袋的主要作用是()A.减轻切口疼痛B.减少切口张力C.固定伤口敷料D.防止伤口出血E.防止切口裂开
题型:单项选择题 A1/A2型题 谜语题。1. Upon leaving a cafe,one boy paid his bill,while his friend handed the cashier a slip of paper with the number 100480 on it. The cashier snuled and let him leave without paying. Why? Answer: _ .2. What can pierce(打孔) one's ears without a hole? Answer: _ . 查看答案
题型:单项选择题 A1/A2型题 用Percoll分层液分离外周血中的单个核细胞,是一种( )A.聚合物加速沉淀分离法 B.连续密度梯度离心分离法C.多次密度梯度离心分离法 D.单次密度梯度离心分离法 查看答案