主动脉夹层Stanford分型那一句描述是正确的?()
A.破口位于左锁骨下动脉开口以远的主动脉弓为A型
B.破口累及腹部内脏动脉为B型
C.凡是累及升主动脉的夹层为A型;仅累及降主动脉为B型
D.破口位于肾动脉以下腹主动脉段为A型
E.破口位于髂动脉为B型
A.破口位于左锁骨下动脉开口以远的主动脉弓为A型
B.破口累及腹部内脏动脉为B型
C.凡是累及升主动脉的夹层为A型;仅累及降主动脉为B型
D.破口位于肾动脉以下腹主动脉段为A型
E.破口位于髂动脉为B型
关于房间隔缺损的叙述,哪一项错误?()
A.分原发孔(Ⅰ孔)型和继发孔(Ⅱ孔)型
B.继发孔型常见
C.Ⅱ孔型X线表现两肺多血,右房及右室大
D.Ⅱ孔型左室及主动脉增大
E.继发孔型房缺分中央、上腔、下腔和混合四型
A.仅有内膜面覆盖的纤维结缔组织
B.瘤壁无主动脉壁的全层结构
C.主动脉壁发生中层坏死或退行性病变
D.中层内形成血肿并主要向远端延伸
E.全层瘤变和扩大
下列关于上腔静脉系的描述,错误的是()
A.由左、右头臂静脉合成
B.沿升主动脉右侧下行
C.走行中穿过腔静脉孔
D.入右心房前收纳奇静脉
E.收集头颈、上肢、胸壁和部分胸腔脏器的静脉血
A.冠状动脉前降支斑块处的凝血块
B.主动脉粥样斑块表面的凝血块
C.心肌梗死处的心内膜表面的凝血块
D.尸体心脏内与心壁粘连不紧密的凝血块
E.克山病心肌坏死处心内膜表面的凝血块
关于膈的描述,正确的是
A.位于胸腔的底
B.为起于中心腱的阔肌
C.膈收缩可助呼气
D.左、右膈脚之间为食管裂孔
E.膈的主动脉裂孔约在第8胸椎水平
A、大动脉炎又称马凡(Marfan)综合征
B、是一种以大动脉中膜损害为主的非特异性全动脉炎
C、病理上,动脉全层呈弥漫或不规则增厚和纤维化,并引起狭窄和阻塞
D、好发于青年女性,胸腹主动脉及其主要分支
E、临床表现为无脉症或主动脉弓综合征
During 1994, they【7】yahoo into a customized database designed to【8】the needs of the thousands of users【9】began to use the service through the closely【10】Internet community. They developed customized software to help them【11】locate, identify and edit material【12】on the Internet. The name Yahoo is【13】to stand for "Yet Another Hierarchical Officious Orale", but Filo and Yang insist they selected the【14】because they considered themselves yahoos. Yahoo itself first【15】on Yang's workstation, "akebono", while the search engine was【16】on Filo's computer, "Konishiki".
In early 1995 Marc Andersen, co-founder of Netscape Communication in Mountain View, California, invited Filo and Yang to move their files【17】to larger computers【18】at Netscape. As a result Stanford's computer network returned to【19】, and both parties benefited. Today, Yahoo【20】organized information on tens of thousands of computers linked to the web.
(1)
A.became
B.grew
C.turn
D.intend
During 1994, they 【C7】______ yahoo into a customized database designed to 【C8】______ the needs of the thousands of users 【C9】______ began to use the service through the closely 【C10】______ Internet community. They developed customized software to help them 【C11】______ locate, identify and edit material 【C12】______ on the Internet. The name Yahoo is 【C13】______ to stand for "Yet Another Hierarchical Officious Oracle", but Filo and Yang insist they selected the 【C14】______ because they considered themselves yahoos. Yahoo itself first 【C15】______ on Yang's workstation, "akebono", while the search engine was 【C16】______ on Filo's computer, "Konishiki" .
In early 1995 Marc Andersen, co-founder of Netscape Communication in Mountain View, California, invited Filo and Yang to move their files 【C17】______ to larger computers 【C18】______ at Netscape. As a result Stanford's computer network returned to 【C19】______ , and both parties benefited. Today, Yahoo 【C20】______ organized information on tens of thousands of computers linked to the web.
【C1】______
A.became
B.grew
C.turn
D.intend