患者,男,87岁,因"双足麻木、发凉6个月,右足趾疼痛且呈暗红色1个月"来诊。发病期间出现间歇性跛行。有长期吸烟史,高脂饮食习惯。查体:足拇趾趾腹可见2个0.5cm×0.5cm瘀斑,双足汗毛脱落,趾甲增厚、变形,右小腿汗毛稀疏,肌肉松弛,双足背及胫后动脉搏动消失。血液流变学:全血黏度、血浆黏度、血小板聚集性升高。多普勒超声:血管弹性差,周围阻力高,右下肢供血不足。动脉造影:右股动脉狭窄、闭塞。患者动脉硬化性闭塞症的分期属于()。
A. Ⅰ期(局部缺血期)
B. Ⅱ期(营养障碍期)
C. Ⅲ期(坏死期)
D. 坏死期1级
E. 坏死期2级
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You have an Exchange Server 2010 organization. You plan to deploy a public folder access solution to meet the following requirements: .Users in the legal department must be able to send e-mail messages to public folders .Users in the legal department must not be able to read documents in the public folders by using OutlookWeb App (OWA) You need to recommend changes to public folder access that meet the company requirements. What should you recommend?()
A. mail-enabled public folders and Editor permissions
B. mail-enabled public folders and Contributor permissions
C. OWA segmentation and Reviewer permissions
D. OWA segmentation and Send As permissio
熊彼特认为。企业家应具备独特的品质()。
A. 有高等教育背景
B. 有胆略
C. 有眼光
D. 有组织能力
轨道提升斜巷中部必须安设超速自动吊梁,间距不得大于100m。
A. 正确
B. 错误
患者女,27岁。妊娠36周GP,胸闷、夜间不能平卧十余天入院;两年前因二尖瓣狭窄行球囊扩张术,手术后一直口服阿司匹林至本次怀孕时停服。入院体格检查:意识清楚、体重82kg,血压135/80mmHg、心率129次/分、呼吸29次/分;听诊双肺底可闻及少量湿啰音、双下肢浮肿(++)。轻微活动症状明显加重。实验室检查:WBC10.86×109/L、Hb121g/L、PLT99×109/L、PT13.1s、APTT32.8s;心脏彩超:二尖瓣口面积1.42cm2、重度二尖瓣反流。关于该产妇心脏并发症的描述,正确的是()。
A. 妊娠合并风湿性心脏病
B. 重度二尖瓣狭窄
C. 心功能Ⅱ级
D. 右心功能不全
E. 存在心肌缺血
F. 左心室压力负荷过重