皮皮学，免费搜题
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搜题
【单选题】
男性，55岁，咳嗽、咳痰10年，活动时气短2年，慢性支气管炎、肺气肿诊断明确，因病情加重伴呼吸困难、发绀人院，未予吸氧。下列血气结果与之相符的是A.
PaO2降低，PaCO2升高
B.
PaO2升高，PaCO2正常
C.
Pa02正常，PaCO2升高
D.
PaO2升高，PaCO2升高
E.
PaO2正常，PaCO2降低
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举一反三
【单选题】There are __ in the reading room, but many of those books aren’t __ to read． [ ]
A.
enough books，enough easy
B.
enough books，easy enough
C.
book enough，easy enough
D.
book enough，enough easy
【单选题】Are there______ books in the bag? No, There aren't _____ books in it, but there are_____ pens in it. [ ]
A.
any, any, some
B.
any, some, any
C.
some, any, any
【单选题】There are _______ in the reading room, but many of those books aren’t _______ to read.
A.
enough books, enough easy
B.
enough books, easy enough
C.
books enough, easy enough
D.
books enough, enough easy
【单选题】—Are these your English books? —No, ______ aren't. They're ______ English books. [ ]
A.
it; they
B.
these; he
C.
they; her
D.
their; she
【单选题】—____ ? —They're Chinese books. [ ]
A.
Are these Chinese books?
B.
Are those Chinese books?
C.
What're these in English?
【单选题】There are _____ in the reading room, but many of those books aren't _____. [ ]
A.
enough books; enough easy
B.
enough books; easy enough
C.
books enough; easy enough
D.
books enough; enough easy
【多选题】患者男，67岁。经颈内静脉放置肺动脉导管，RAP20mmHg，CI2.0L·min -1 ·m -2 ，PAP25/13mmHg，PCWP10mmHg。关于经颈内静脉置入肺动脉导管，叙述正确的是（）
A.
一般插入深度达13cm，管端可达右心房
B.
气囊充气后，每次推进导管2~3cm
C.
当导管进入右心室时，收缩压、舒张压突然升高
D.
进入右心室时，舒张压迅速降低为零点
E.
当导管进入肺动脉时，收缩压升高
F.
当导管进入肺动脉时，舒张压升高
【简答题】患者，男，69岁。经颈内静脉放置肺动脉导管，RAP20mmHg，Cr2.0L/（min·m2），PAP25/13mmHg，PCWP10mmHg 最可能的诊断是（）。A.左房室瓣狭窄 B.房间隔缺损 C.肺动脉瓣狭窄 D.左心功能不全 E.容量过负荷 关于经颈内静脉置入肺动脉导管，下列叙述正确的是（）。A.—般插入深度达13cm，管端可达右心房 B.气囊充气后，每次推进导管3~5cm C.当导管进入...
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