题目: (19) is encoded with Differential Manchester in the diagram below.A.10110011100B.I1001100011C.00111001101D.11000110010 答案: 参考答案:B
题型:单项选择题 男性,50岁,反复咳嗽、咳痰4年,近半年来发作时常伴呼吸困难。体,检:双肺散在哮鸣音,肺底部有湿哆音。肺功能测定:1秒钟用力呼气容积/用力肺活量为55%,残气容积/肺总量为35%。诊断应考虑为A.慢性单纯型支气管炎B.慢性喘息型支气管炎C.慢性支气管炎合并肺气肿D.支气管哮喘E.支气管哮喘合并肺气肿 查看答案