题目内容

男性,67岁,慢性咳嗽、咳痰20余年,进行性气急加重5年。1周前因感冒后病情恶化入院。血气分析(呼吸空气)示:pH7.30,PaCO228.6kPa(65mmHg),PaO26.4kPa(48mHg)。当即给予低流量(浓度)持续氧疗强调持续性氧疗是由于()

A. 间歇氧疗在停止吸氧时已升高的PaCO不会迅速降低,PaO更加降低,缺氧恶化
B. 为了避免CO潴留加重.
C. 为了避免PaO波动幅度过大
D. 为了保证组织氧提取的持续性
E. 以上都不是

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患者胸闷气短,甚则胸痛彻背,心悸汗出,腰酸乏力,畏寒肢冷,唇甲淡白,舌淡白,脉沉微欲绝。治疗应首选()。

A. 人参养荣汤合左归饮
B. 炙甘草汤合生脉散
C. 参附汤合右归饮
D. 苓桂术甘汤合左归丸
E. 苏合香丸合左归饮

某男性患者,80岁。因反复咯脓臭痰10余年,咯血1次就诊。该次咯血量约200ml鲜红色,无发热、胸痛。查体:BP180/80mmHg,R12次/分,精神紧张,口鼻有血渍,左下肺可闻及湿啰音,HR90次/分,律齐。患者的初步诊断最可能是()

A. 慢性支气管炎合并大量咯血
B. 慢性支气管炎合并中量咯血
C. 支气管扩张合并大量咯血
D. 支气管扩张合并中量咯血
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Your network consists of an Active Directory forest that contains two domains. All servers run WindowsServer 2008. All domain controllers are configured as DNS Servers. You have a standard primary zone for dev.contoso.com that is stored on a member server. You need to ensure that all domain controllers can resolve names from the dev.contoso.com zone. What should you do()

A. On the member server, create a stub zone.
B. On the memeber server, create a NS record for each domain controller.
C. On one domain controller, create a conditional forwarder. Configure the conditional forwarder to replicate to all DNS servers in the forest.
D. On one domain controller, create a conditional forwarder. Configure the conditional forwarder to replicate to all DNS servers in the domain.

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