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单选题
患儿男，1岁半。发热，咳嗽4天，曾用青霉素肌注治疗无效。昨天起拒食，呕吐，尿量减少。入院查体：体温39.8℃，脉率180次/分，呼吸65次/分，精神萎靡，烦躁不安，口唇发绀，鼻翼扇动，三凹征（+），两肺散在中小水泡音，肝脏右肋下3cm。血白细胞2.5×109/L，中性粒细胞90%。
该患儿最可能的情况是（）
A
肺炎合并心衰
B
肺炎合并中毒性脑病
C
肺炎合并脓胸
D
肺炎合并肺大疱
E
肺炎合并肺脓肿
参考答案
参考解析
解析：
根据患儿病史特点及体征，应考虑肺炎合并心衰
更多 “单选题患儿男，1岁半。发热，咳嗽4天，曾用青霉素肌注治疗无效。昨天起拒食，呕吐，尿量减少。入院查体：体温39.8℃，脉率180次/分，呼吸65次/分，精神萎靡，烦躁不安，口唇发绀，鼻翼扇动，三凹征（+），两肺散在中小水泡音，肝脏右肋下3cm。血白细胞2.5×109/L，中性粒细胞90%。 该患儿最可能的情况是（）A 肺炎合并心衰B 肺炎合并中毒性脑病C 肺炎合并脓胸D 肺炎合并肺大疱E 肺炎合并肺脓肿” 相关考题
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多选题What are two security appliances that can be installed in a network? (Choose two.)（）AATMBIDSCIOSDIOXEIPSFSDM
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单选题You wish to limit telnet access into your Cisco router to only a single host. In order to accomplish this, access list 1 has been written to allow host 172.16.1.224 access to the router vty lines. What command would assign this access- list to the Virtual Terminal Lines?（）A
router(config-line)# ip access-group 1 inB
router(config-line)# access-class 1 inC
router(config-line)# ip access-list 1 inD
router(config-line)# access-line 1 in
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单选题What is the purpose of pressing the Ctrl+Break keys during the router password recover procedure?（）A
To restart the router.B
To bypass the configuration in Flash.C
To view the password before changes are made.D
To bypass setup configuration mode.E
To access ROM Monitor mode.
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多选题Which two of these statements are true of IPv6 address representation?（）AThere are four types of IPv6 addresses: unicast, multicast, anycast, and broadcast.BA single interface may be assigned multiple IPv6 addresses of any type.CEvery IPv6 interface contains at least one loopback address.DThe first 64 bits represent the dynamically created interface ID.ELeading zeros in an IPv6 16 bit hexadecimal field are mandatory.
考题
单选题A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?（）A
an OSPF update for network 192.168.0.0/16B
a static router to network 192.168.10.0/24C
a static router to network 192.168.10.0/24 with a local serial interface configured as the next hopD
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单选题患儿，男，5岁，患儿无明显原因面色进行性苍白伴疲乏无力，经常出现鼻衄，查体：肝、脾及淋巴结轻度肿大，皮肤可见瘀斑。血象：红细胞、血红蛋白及血小板均减少，骨髓象：可见原始及幼稚细胞极度增生。该患儿可能的诊断是（ ）。A
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多选题What can be done to secure the virtual terminal interfaces on a router？（）AAdministratively shut down the interface.BPhysically secure the interface.CCreate an access list and apply it to the virtual terminal interfaces with the access-group command.DConfigure a virtual terminal password and login process.EEnter an access list and apply it to the virtual terminal interfaces using the access-class command.
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正常B
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中度窒息D
重度窒息E
极重度窒息
考题
多选题An inbound access list has been configured on a serial interface to deny packet entry for TCP and UDP ports21, 23 and 25. What types of packets will be permitted by this ACL? (Choose three.)（）AFTPBTelnetCSMTPDDNSEHTTPFPOP3
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多选题Which two subnetworks would be included in the summarized address of 172.31.80.0 /20? （）A172.31.17.4 /30B172.31.51.16 /30C172.31.64.0 /18D172.31.80.0 /22E172.31.92.0 /22F172.31.192.0 /18
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多选题Workstation A has been assigned an IP address of 192.0.2.24/28. Workstation B has been assigned an IP address of 192.0.2.100/28. The two workstations are connected with a straight-through cable. Attempts to ping between the hosts are unsuccessful. What two things can be done to allow communications between the hosts? （）AReplace the straight-through cable with a crossover cable.BChange the subnet mask of the hosts to /25.CChange the subnet mask of the hosts to /26.DChange the address of Workstation A to 192.0.2.15.EChange the address of Workstation B to 192.0.2.111.
考题
单选题How does using the service password encryption command on a router provide additional security?（）A
by encrypting all passwords passing through the routerB
by encrypting passwords in the plain text configuration fileC
by requiring entry of encrypted passwords for access to the deviceD
by configuring an MD5 encrypted key to be used by routing protocols to validate routing exchangesE
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单选题Which method is of gaining access to a system that bypasses normal security measures？（）A
Starting a Smurf attackB
Conducting social engineeringC
Creating a back doorD
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考题
单选题患儿，女，足月顺产。出生2天后发现皮肤巩膜黄染而就医。父亲血型为AB型，Rh阳性；母亲血型为O型，Rh阳性；血清胆红素为290μmol/L。新生儿溶血病的临床表现不包括（）A
贫血B
黄疸C
肝脾肿大D
体温低E
组织水肿
考题
单选题While troubleshooting a connectivity problem, a network administrator notices that a port status LED on a Cisco Catalyst series switch is alternating green and amber. Which condition could this indicate（）。A
The port is experiencing errorsB
The port is administratively disabledC
The port is blocked by spanning treeD
The port has an active link with normal traffic activity
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