An administrator is trying to extend an existing volume group with a new hard disk, but the extendvg command returns the following error. 0516-1162 /usr/sbin/extendvg. Warning, The Physical Partition Size of 64 requires the creation of 8924 partitions for hdisk11. The limitation for volume group datavg is 1016 physical partitions per physical volume. Use chvg command with -t option to attempt to change the maximum Physical Partitions per Physical volume for this volume group. The chvg -t may or may not allow the extendvg command to succeed. What is the implication of using this option?()
A. It reduces the maximum file size allowed within the given volume group.
B. It reduces the maximum number of files allowed within the given volume group.
C. It reduces the maximum number of logical volumes allowed within the given volume group.
D. It reduces the maximum number of physical volumes allowed within the given volume group.
查看答案
女性,76岁,左胁部带状分布疱疹伴疼痛4天,疼痛剧烈,口服消炎镇痛剂和曲马朵止痛无效,贴用多瑞吉后发生剧烈恶心、呕吐和严重呼吸抑制,目前因疼痛剧烈,患者不能入睡、正常进食。肋间神经阻滞时应注意预防哪些并发症的发生()
A. 全脊髓麻醉
B. 局麻药中毒和穿刺部位出血
C. 气胸、局麻药中毒和酒精性神经炎
D. 穿刺部位感染
E. 支气管痉挛
患者,女,56岁,工人,腰腿痛20年,加重3个月。患者20年前有腰部疼痛,偶伴有右侧下肢牵拉痛。随着体重的增加,腰痛逐年加重。近3个月来,因腰痛而不能久行,咳嗽和坐起等体位改变时有明显腰痛,伴右小腿疼痛和麻木感。检查:体胖(85kg)。,腰部前屈20°,侧屈各30°,后伸30°,腰椎生理弧度呈过屈,腰4~5棘旁和棘间局部压痛(++)。,腰5和骶1似呈台阶状,挺腹试验不能完成,直腿抬高试验阳性,加强试验阳性。首先要做哪项辅助检查().
A. 腰椎正位片
B. 腰椎侧位片
C. 腰椎正侧位片
D. 腰椎双斜位片
E. 腰椎正侧双斜位片
患者女性,62岁,因“高血压、糖尿病”来诊。实验室检查:血红蛋白65g/L,网织红细胞0.090;溶血指标异常;血清铁、总铁结合力、血清铁蛋白及叶酸水平均正常;血红蛋白尿。有青霉素过敏史。即刻停用之前使用的葛根素注射液,改用其他药物治疗。次日复查网织红细胞恢复正常,为明确诊断,于使用葛根素注射液后追查血液中抗葛根素抗体,结果抗人球蛋白试验(Coomb)阳性,患者体内存在可活化补体的葛根素药物性抗体。治疗措施错误的是()
A. 终止溶血发作
B. 立即给予抗生素预防感染
C. 输血支持
D. 立即停用葛根素注射液
E. 维持水电解质等内环境稳定