题目内容

患者男性,55岁,因反复血尿1年,伴尿急、尿频、尿痛于当地门诊就诊。患者自述每小时需小便6~8次,每次小便仅数毫升。当地医院安排该患者在黏膜麻醉下行膀胱镜检。膀胱镜进镜顺利,发现膀胱内视野暗红,模糊不清。用蒸馏水反复冲洗时,进水通畅但流出不畅,并冲出少量血性液体及血凝块。膀胱镜检过程中因患者无法忍受剧烈腹痛而停止检查。膀胱镜检后体检:患者腹部膨隆,全腹压痛及反跳痛,肠鸣音低。 导致膀胱镜检失败的原因不包括下列哪项()

A. 尿道狭窄
B. 膀胱容量过小
C. 膀胱顺应性不佳
D. 膀胱内血液及血凝块过多
E. 膀胱本身病变
F. 患者配合差

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The following databases are registered in the base recovery catalog: PROD1, PROD2, and PROD3. The database user CATOWNER owns the base recovery catalog. You want a new user VPC1 to have access to only the PROD1 database and create a virtual private catalog. Given below are some of the commands required to achieve this: 1.SQL> GRANT recovery_catalog_owner TO vpc1; 2.RMAN> CONNECT CATALOG vpc1/password@catdb; 3.RMAN> GRANT CATALOG FOR DATABASE prod1 TO vpc1; 4.RMAN> CONNECT CATALOG catowner/password@catdb; 5.RMAN> CREATE VIRTUAL CATALOG; What is the correct sequence in which the commands have to be executed?()

A. 1, 4, 5, 2, 3
B. 1, 4, 3, 2, 5
C. 4, 5, 2, 3, 1
D. 2, 3, 4, 5, 1
E. 1, 4, 2, 3, 5

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