【单选题】
临床上再生障碍性贫血一般无___
A. 贫血
B. 出血
C. 感染
D. 全血细胞减少
E. 肝.脾.淋巴结肿大
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答案
E
解析
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相关试题
【单选题】
下列哪一项不符缺铁性贫血的实验室检查___
A. 血象为小细胞低色素性贫血
B. 骨髓象以中晚幼红细胞为主
C. 骨髓涂片示骨髓细胞外铁消失
D. 红细胞原卟啉升高
E. 血清总铁结合力下降
【单选题】
白血病患者的对症护理，下列哪项不妥___
A. 颅内出血患者禁忌输入血小板
B. 骨痛难忍时及早给予镇痛剂
C. 严重贫血者在床上用膳排便
D. 鼻出血可用局部冷敷和填塞法
E. 发热患者必要时给退热药，不宜酒精擦身
【单选题】
目前治疗重型再生障碍性贫血的主要药物是___
A. 司坦唑醇(康力龙)
B. 阿托品
C. 环孢素(环孢菌素A)
D. 一叶秋碱
E. 抗胸腺细胞球蛋白(ATG)或抗淋巴细胞球蛋白(ALG)
【单选题】
患者男性，9岁，上呼吸道感染后不久发现臀部和下肢皮肤分批出现瘀点.瘀斑，大小不等，呈紫红色，高出皮面。1周后又出现血尿.蛋白尿.管型尿。医院检查血小板计数.出血时间和凝血时间均正常。患儿可能患了___
A. 血友病
B. 白血病
C. 过敏性紫癜
D. 弥漫性血管内凝血
E. 特发性血小板减少性紫癜
【单选题】
某男性青年突然发热，体检除显著贫血貌外，其余无特殊阳性体征发现。实验室检查示外周血象见全血细胞减少，网织红细胞明显减少；骨髓象提示骨髓增生低下。该患者最可能的诊断是___
A. 白血病
B. 缺铁性贫血
C. 再生障碍性贫血
D. 巨幼细胞贫血
E. 脾功能亢进
【单选题】
女性患者，头昏.乏力.面色苍白1年余，体检除贫血貌外，其余均无异常。血常规示：血红蛋白75g/L，红细胞2.5×10_TagUpStart_12_TagUpEnd_/L，白细胞4.0×10_TagUpStart_9_TagUpEnd_/L，网织红细胞0.06。肝.肾功能正常，血清铁降低，总铁结合力增高。追问病史，患者常有月经过多。该患者最可能的诊断是___
A. 再生障碍性贫血
B. 缺铁性贫血
C. 巨幼细胞贫血
D. 肾性贫血
E. 溶血性贫血
【单选题】
某急性白血病患者化疗期间，由于大量白血病细胞被杀灭，血液中尿酸浓度明显增高。一旦发生尿酸性结石梗阻尿路时，护理人员可直接观察到的征象是___
A. 大量蛋白尿
B. 大量混浊尿
C. 少尿或无尿
D. 酱油色尿
E. 金黄色尿
【单选题】
缺铁性贫血的特征性表现为___
A. 皮肤.粘膜苍白
B. 头晕.耳鸣.眼花.记忆力减退.注意力不集中.嗜睡
C. 体力活动后气短.心悸
D. 食欲不振.恶心.腹胀
E. 皮肤干燥.皱缩，毛发干枯.易脱落，反甲，指甲薄脆易裂
【单选题】
某女性青年患特发性血小板减少性紫癜，经常出血不止，经泼尼松治疗6个月，症状无好转，最近出血更为严重，应选用下列哪项治疗措施为妥___
A. 改用地塞米松治疗
B. 大量血浆置换术
C. 输血小板悬液
D. 应用免疫抑制剂
E. 做脾切除
【单选题】
白血病患者化疗期间护理，下列哪项不正确___
A. 药液必须新鲜配制
B. 注射时不可溢于血管外
C. 注射速度不宜过快
D. 应饭后1小时用药
E. 用药期间定时检查白细胞数
【单选题】
对一突然出现高热.衰竭和(或)出血症状的患者，伴有下列哪一项表现最有助于急性白血病的诊断___
A. 肝.脾肿大
B. 皮肤结节
C. 头痛.呕吐
D. 胸骨下段压痛
E. 齿龈肿胀
【单选题】
患者男性，37岁，近几个月来间歇性发热，几乎每个月1次，且高热。全身乏力，盗汗.体重有所减轻，左侧胸部疼痛。经医院检查：左侧颈部和锁骨上均有淋巴结肿大，胸部有带状疱疹。淋巴结活检证实为霍奇金病Ⅱ期。宜首选下列哪一项治疗 ___
A. 化学治疗
B. 放射治疗
C. 免疫治疗
D. 中药治疗
E. 手术治疗
【单选题】
关于骨髓穿刺术后护理的叙述，一般不需要___
A. 术后当天不要沐浴
B. 拔针后加压3～5分钟
C. 术后去枕平卧24小时
D. 保持局部干燥防止感染
E. 观察穿刺处有无出血
推荐试题
【单选题】
Which statements about the native VLAN is true ？___
A. It is susceptible to VLAN hopping attacks.
B. It is the Cisco recommended VLAN for switch-management traffic
C. It is most secure when it is a ssigned to vLAn 1.
D. It is the cisco-recomme nded vlan for user traffic
【单选题】
There are two versions of IKE:IKEv1 and IKEv2. Both IKEv1 and IKEv2 protocols operate in phases IKEv1 operates in two phases. IKEv2 operates in how many phases？___
A. 2
B. 3
C. 4
D. 5
【单选题】
What does the dh group refer to？___
A. length of key for hashing C
B. length of key for encryption
C. tunnel lifetime key
D. length of key for key exchange
E. length of key for authentication
【单选题】
Which path do you follow to enable aaa through the SDM ？___
A. Configure Tasks > AAA
B. Configure > Addition Authentication > AAA
C. Configure > AAA
D. Configure > Additional Tasks > AAA
E. Configure Authentication > AAA
【单选题】
which technology cloud be used on top of an MPLS VPN to add confidentiality ？___
A. IPsec
B. 3DES
C. AES
D. SSL
【单选题】
Which term is most closely aligned with the basic purpose of a SIEM solution? ___
A. Non-Repudiation
B. Accountability
C. Causality
D. Repudiation
【单选题】
You have just deployed SNMPv3 in your environment， Your manager asks you to make sure that our SNMP agents can only talk to the SNMP Manager. What would you configure on your SNMI agents to satisfy this request？___
A. A SNMP View containing the SNMP managers
B. Routing Filter with the SNMP managers in it applied outbound
C. A standard ACL containing the SNMP managers applied to the SNMP configuration
D. A SNMP Group containing the SNMP managers
【单选题】
Which feature prevents loops by moving a nontrunking port into an errdisable state when a BPDU is received on that port？___
A. BPDU filte
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C. BPDU guard
D. Port Fast
【单选题】
Which command enables port security to use sticky MAC addresses on a switch？___
A. switchport port-security violation restrict
B. switchport port-security mac-address sticky
C. switchport port-security violation protect
D. switchport port-security
【单选题】
When you edit an IPS subsignature， what is the effect on the parent signature and the family of subsignatures？___
A. The change applies to the parent signature and the entire family of subsignatures
B. The change applies to the parent signature and the subsignature that you edit
C. The change applies only to subsignatures that are numbered sequentially after the subsignature that you edit
D. Other signatures are unaffected， the change applies only to the subsignature that you dit
【单选题】
Which type of mechanism does Cisco FirePOWER de ploy to protect ag detected moving across other networks？___
A. antivirus scanning
B. policy-based
C. reputation-based
D. signature-based
【单选题】
What action must you take on the ise to blacklist a wired device？___
A. Locate the switch through which the device is connected and push an a cl restricting all access by the device
B. Issue a CoA request for the de vice's mac address to each access switch in the network
C. Revoke the device's certificate so it is unable to authenticate to the network
D. Add the device's MAc address to a list of black listed devices
【单选题】
Which type of firewall can perform deep packet inspection？___
A. packet-filtering firewall
B. stateless firewall
C. application firewall
D. personal firewall
【单选题】
What is the main purpose of Control Plane Policing？___
A. to prevent exhaustion of route-proce ssor resources
B. to organize the egress packet queues
C. to define traffic classes
D. to maintain the policy map
【单选题】
Which attack can be prevented by OSPF authentication？___
A. smurf attack
B. IP spoofing attack
C. denial of service attack
D. buffer overflow attack
【单选题】
What is the best definition of hairpinning？___
A. ingress traffic that traverses the outbound interface on a device
B. traffic that enters one interface on a device and that exits through another interface
C. traffic that enters and exits a device through the same interface
D. traffic that tunnels through a device interface
【单选题】
Which SNMPv3 security level provides authentication using HMAC with MD5， but does not use encryption？___
A. authPriv
B. authNo Priv
C. noAuthNoPriv
D. NoauthPriv
【单选题】
You have implemented a dynamic blacklist， using security intelligence to block illicit network activity. However， the blacklist contains several approved connections that users must access for usiness pur poses. Which action can you take to retain the blacklist while allowing users to access the approve d sites？___
A. Create a whitelist and manually add the approved addresses.
B. Disable the dynamic blacklist and deny the specif ic address on a whitelist while permitting the others
C. Edit the dynamic blacklist to remove the approved addresses
D. Disable the dynamic blacklist and create a static blacklist in its place
【单选题】
When connecting to an external resource,you must change a source IP address to use one IP address from a range of 207.165.201.1 to 207.165.1.30. Which option do you implement ?___
A. dynamic source NAT that uses an IP ad dress as a mapped source
B. static destination NAT that uses a subnet as a real de stination
C. dynamic source NAT that uses a range as a mapped source
D. static destination NAT that uses a subnet as a real source
【单选题】
Refer to the exhibit. 【nat（ins，any）dynamic interface】Which ty pe of NaT is configured on a Cisco ASA？___
A. dynamic NAT
B. source identity NAT
C. dynamic PAT
D. identity twice NAT
【单选题】
Which mitigation technology for web-based threats prevents the removal of confidential data from the network？___
A. CTA
B. DCA
C. AMP
D. DLP
【单选题】
Refer to the exhibit. What is the effect of the given configuration？___
A. It establishes the preshared key for the switch
B. It establishes the preshared key for the firewall.
C. It establishes the preshared key for the Cisco ISE appliance
D. It establishes the preshared key for the router.
【多选题】
What are two major considerations when choosing between a SPAN and a TAP when plementing IPS？___
A. the type of analysis the iS will perform
B. the amount of bandwidth available
C. whether RX and TX signals will use separate ports
D. the way in which media errors will be handled
E. the way in which dropped packets will be handled
【多选题】
What are two direct-to-tower methods for redirecting web traffic to Cisco Cloud Web Security？___
A. third-party proxies
B. Cisco Catalyst platforms
C. Cisco NAC Agent
D. hosted PAC files
E. CiSco ISE
【多选题】
Which three descriptions of RADIUS are true？ ___
A. It uses TCP as its transport protocol.
B. Only the password is encrypted
C. It supports multiple transport protocols
D. It uses UDP as its transport protocol
E. It combines authentication and authorization
F. It separates authentication，authorization，and accounting
【多选题】
Which two configurations can prevent VLAN hopping attack from attackers at VLAN 10？___
A. using switchport trunk native vlan 10 command on trunk ports
B. enabling BPDU guard on all access ports
C. creating VLAN 99 and using switchport trunk native vlan 99 command on trunk ports
D. applying ACl between VLAN
E. using switchport mode access command on all host ports
F. using switchport nonegotiate command on dynamic desirable ports
【多选题】
What are two features of transparent firewall mode ___
A. It conceals the presence of the firewall from attackers
B. It allows some traffic that is blocked in routed mode
C. It enables the aSA to perform as a router.
D. It acts as a routed hop in the network.
E. It is configured by default
【多选题】
Which two models of A sa tend to be used in a data center？___
A. 5555X
B. 5585X
C. ASA service module
D. 5512X
E. 5540
F. 5520
【多选题】
Which two statements about hardware-based encrption are true？___
A. It is widely accessible
B. It is potentially easier to compromise than software-based encryption. It requires minimal configuration
C. It requires minimal configuration
D. It can be implemented without impacting performance
E. It is highly cost-effective
【多选题】
In which two modes can the Cisco We b Security appliance be de ployed？___
A. as a transparent proxy using the Secure Sockets Layer protocol
B. as a transparent proxy using the Web Cache Communication Protocol
C. explicit proxy mode
D. as a transparent proxy using the Hyper Text Transfer Protocol
E. explicit active mode
