患者男,25岁,车祸致右下肢活动障碍1天入院,诊断右胫骨骨折。既往体健,术前检查正常。拟在硬膜外麻醉下行切复内固定术。穿刺点选择L3~4,穿刺置管成功后注入2%利多卡因5ml,患者述耳鸣、视物模糊、口舌发麻。肿瘤切除后出现呼吸困难应考虑()
A. 神经损伤
B. 胸膜损伤引起的气胸
C. 麻醉平面过高
D. 血压下降
E. 辅助药物的作用
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Examine the following configuration on Router R1. R1's show ip route 172.16.4.1 command list s a route with outgoing interface S0/1/1. Host 172.16.3.3 uses telnet to connect to host 172.16.4.1.What will Router R1 do with the packets generated by host 172.16.3.3 because of the telnet,assuming the packets enter R1's F0/0 interface?() interface Fastethernet 0/0 ip address 172.16.1.1 255.255.255.0 ip policy route - map Q2 ! route - map Q2 permit match ip address 101 set interface s0/0/1 ! access - list 101 permit tcp host 172.16.3.3 172.16.4.0 0.0.0.255
A. The packet will be forwarded out S0/0 /1, or not at all.
B. The packet will be forwarded out S0/0/1 if it is up.
C. The packet will be forwarded out S0/1/1 if it is up.
D. The packet will be forwarded out S0/1/1 if it is up, or if it is not up, out s0/0/1.
E. The packet will be forwarded o ut S0/0/1 if it is up, or if it is not up, out s0/1/1.
35岁妇女,孕3产2,普查发现盆腔包块3天就诊,无特殊不适,查外阴阴道(-),宫颈光滑,大小质地正常,子宫前位,稍大,右侧扪及一个孕3个月大小包块,有囊性感,活动尚可如果病人卵巢肿瘤合并妊娠时,又需要小孩,其处理原则下述哪项不恰当()
A. 宜孕3个月后再手术
B. 3个月内可以短时间观察
C. 孕晚期发现可等足月
D. 如确诊为恶性应及早手术
E. 如足月临产,即剖宫产加肿瘤切除