【单选题】
冠状沟___
A. 是左、右心室在心表面分界标志
B. 是左、右心房在心表面分界标志
C. 是心房、心室在心表面分界标志
D. 是一条完整的环形沟
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答案
C
解析
暂无解析
相关试题
【单选题】
前后室间沟___
A. 是左、右心室在心表面分界标志
B. 是左、右心房在心表面分界标志
C. 是心房、心室在心表面分界标志
D. 是一条完整的环形沟
【单选题】
心外形的描述,不准确的是___
A. 心尖由左心室构成
B. 心底大部分由右心房、小部分由左心房构成
C. 前后室间沟是左、右心室的表面分界
D. 心表面近心底处,有一完整环形的冠状沟
【单选题】
在活体可以摸到心尖搏动的部位是___
A. 左第五肋间、锁骨中线内侧1~2厘米
B. 左侧第六胸肋关节处
C. 右侧第六胸肋关节处
D. 锁骨中线与第五肋间交点
【单选题】
构成心底部的大部分是___
A. 左心房
B. 左心室
C. 右心房
D. 右心室
【单选题】
心脏的卵圆窝___
A. 形成冠状窦的开口
B. 位于房中隔的左心房一侧
C. 关闭后即为室中隔的膜性部
D. 以上答案均不正确
【单选题】
注入右心房的静脉有___
A. 上、下腔静脉和奇静脉
B. 上、下腔静脉和冠状窦
C. 左、右肺静脉和奇静脉
D. 左、右肺静脉和冠状窦
【单选题】
左房室口周缘附着有___
A. 二尖瓣
B. 三尖瓣
C. 肺动脉瓣
D. 主动脉瓣
【单选题】
室间隔缺损好发于___
A. 卵圆窝
B. 室间隔膜部
C. 室间隔肌部
D. 以上都不对
【单选题】
心脏的正常起博点在___
A. 窦房结
B. 房室结
C. 房室束
D. 左右束支
【单选题】
右心房有___
A. 肺动脉口
B. 肺静脉口
C. 上腔静脉口
D. 二尖瓣
【单选题】
心室收缩时,防止血液逆流装置是___
A. 二尖瓣,三尖瓣
B. 肺动脉瓣,三尖瓣
C. 主动脉瓣,二尖瓣
D. 肺动脉瓣,主动脉瓣
【单选题】
心室舒张时,防止血液逆流装置是___
A. 二尖瓣,三尖瓣
B. 肺动脉瓣,三尖瓣
C. 主动脉瓣,二尖瓣
D. 肺动脉瓣,主动脉瓣
【单选题】
左右冠状动脉起自___
A. 胸主动脉
B. 主动脉弓
C. 升主动脉
D. 肺动脉
【单选题】
临床心内注射选择的部位应该在___
A. 胸骨右缘第四肋间隙
B. 胸骨左缘第三肋间隙
C. 胸骨右缘第三肋间隙
D. 胸骨左缘第四肋间隙
【单选题】
主动脉起自于___
A. 左心室
B. 右心室
C. 左心房
D. 右心房
【单选题】
颈动脉窦是___
A. 化学感受器
B. 本体觉感受器
C. 压力感受器
D. 温度觉感受器
【单选题】
主动脉弓上三大分支,由右向左依次排列为___
A. 右锁骨下动脉、右颈总动脉、头臂干
B. 右颈总动脉、右锁骨下动脉、头臂干
C. 头臂干、左锁骨下动脉、左颈总动脉
D. 头臂干、左颈总动脉、左锁骨下动脉
【单选题】
掌浅弓由下列动脉构成___
A. 尺动脉终支和桡动脉终支
B. 桡动脉终支和尺动脉掌浅支
C. 尺动脉终支和桡动脉掌浅支
D. 桡动脉终支和尺动脉掌深支
【单选题】
下列有关椎动脉的说法,正确的为___
A. 是颈外动脉的分支
B. 经前斜角肌外缘上行
C. 穿过7个颈椎的横突孔
D. 经枕骨大孔人颅
【单选题】
胆囊动脉通常发自___
A. 肝固有动脉
B. 肝固有动脉右支
C. 肝固有动脉左支
D. 肝总动脉
【单选题】
胃短动脉常来自于___
A. 胃动脉
B. 脾动脉
C. 肠系膜上动脉
D. 肝总动脉
【单选题】
动脉韧带位于___
A. 主动脉和肺动脉的起始处
B. 左肺动脉起始部和主动脉弓下缘之间
C. 右肺动脉起始部和上腔静脉之间
D. 胸主动脉起始部和主动脉弓下缘之间
【单选题】
心的正常传导路径为___
A. 窦房结—结间束—房室结—房室束—左右束支—浦氏网
B. 房室结—房室束一结间束一窦房结—左右束支—浦氏网
C. 心房肌一窦房结—房室结—鲒间束—左右束支一浦氏网
D. 窦房结一心房肌—房室结—结间束—房室束—浦氏网
【单选题】
子宫动脉在子宫颈外侧2cm处,与输尿管的关系为___
A. 平行位于输尿管下方
B. 平行位于输尿管上方
C. 交叉位于输尿管前方
D. 交叉位于输尿管后方
【单选题】
不属于腹腔干分支的是___
A. 胃左动脉
B. 肝总动脉
C. 脾动脉
D. 肾动脉
【单选题】
肠系膜上动脉的分支是___
A. 脾动脉
B. 中结肠动脉
C. 左结肠动脉
D. 乙状结肠动脉
【单选题】
肠系膜下动脉分支不包括___
A. 左结肠动脉
B. 右结肠动脉
C. 直肠上动脉
D. 乙状结肠动脉
【单选题】
卵巢动脉起于___
A. 腹主动脉
B. 髂总动脉
C. 髂外动脉
D. 髂内动脉
【单选题】
下列动脉不属于腹主动脉成对脏支的是___
A. 肾上腺上动脉
B. 肾动脉
C. 肾上腺中动脉
D. 睾丸(卵巢)动脉
【单选题】
胃网膜右动脉发自___
A. 腹腔干
B. 肝总动脉
C. 胃十二指肠动脉
D. 脾动脉
【单选题】
胸廓内动脉发自于___
A. 椎动脉
B. 锁骨下动脉
C. 胸主动脉
D. 腹主动脉
【单选题】
脑膜中动脉发自于___
A. 下颌动脉
B. 上颌动脉
C. 颈外动脉
D. 面动脉
【单选题】
颅前外侧出血时,止血可压迫___
A. 面动脉
B. 颞浅动脉
C. 上颌动脉
D. 颈外动脉
【单选题】
面部出血时,止血可压迫___
A. 面动脉
B. 颞浅动脉
C. 上颌动脉
D. 颈外动脉
【单选题】
临床上主要的诊脉血管是___
A. 腋动脉
B. 肱动脉
C. 尺动脉
D. 桡动脉
【单选题】
临床上测量血压听诊的血管是___
A. 腋动脉
B. 肱动脉
C. 尺动脉
D. 桡动脉
【单选题】
下列哪个淋巴干的淋巴不经右淋巴导管流回静脉___
A. 右腰干
B. 右颈干
C. 右锁骨下干
D. 右支气管纵隔干
【单选题】
颈外静脉注入___
A. 颈内静脉
B. 头臂静脉
C. 锁骨下静脉
D. 颈总静脉
【单选题】
下腔静脉___
A. 起自第四腰椎平面
B. 由左、右髂外静脉汇合而成
C. 沿腹主动脉左侧上行
D. 注入右心房
【单选题】
头静脉___
A. 起自手背静脉网桡侧
B. 在臂中部注入肱静脉
C. 沿肱二头肌内侧缘上行
D. 与贵要静脉不相交通
推荐试题
【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
B. DHCP snooping
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
【单选题】
1.三相刀开关的图形符号与交流接触器的主触点符号是___。
A. 一样的
B. 可以互换
C. 有区别的
D. 没有区别
【单选题】
2.刀开关的文字符号是___。
A. QS
B. SQ
C. SA
D. KM
【单选题】
3.行程开关的文字符号是___。
A. QS
B. SQ
C. SA
D. KM
【单选题】
4.交流接触器的文字符号是___。
A. QS
B. SQ
C. SA
D. KM
【单选题】
5.熔断器的作用是___。
A. 短路保护
B. 过载保护
C. 失压保护
D. 零压保护
【单选题】
6.热继电器的作用是___。
A. 短路保护
B. 过载保护
C. 失压保护
D. 零压保护
【单选题】
7.交流接触器的作用是可以___接通和断开负载。
A. 频繁地
B. 偶尔
C. 手动
D. 不需
【单选题】
8.三相异步电动机的启停控制线路由电源开关、熔断器、___、热继电器、按钮等组成。
A. 时间继电器
B. 速度继电器
C. 交流接触器
D. 漏电保护器
【单选题】
9.三相异步电动机的启停控制线路中需要有___、过载保护和失压保护功能。
A. 短路保护
B. 超速保护
C. 失磁保护
D. 零速保护
【单选题】
10维修电工以___、安装接线图和平面布置图最为重要。
A. 电气原理图
B. 电气设备图
C. 电气安装图
D. 电气组装图
【单选题】
11.熔断器的额定电压应___线路的工作电压。
A. 远大于
B. 不等于
C. 小于等于
D. 大于等于
【单选题】
12.对于电阻性负载,熔断器熔体的额定电流___线路的工作电流。
A. 远大于
B. 不等于
C. 等于或略大于
D. 等于或略小于
【单选题】
13.对于电动机负载,熔断器熔体的额定电流应选电动机额定电流的___倍。
A. 1~1.5
B. 1.5-2.5
C. 2.0~3.0
D. 2.5~3.5
【单选题】
14.使用快速熔断器时,一般按___来选择。
A. IN=1.03IF
B. IN=1.57IF
C. IN=2.57IF
D. IN=3IF