【单选题】
下列哪种胆汁酸是初级胆汁酸___
A. 胆酸,脱氧胆酸
B. 甘氨胆酸,石胆酸
C. 牛磺胆酸,脱氧胆酸
D. 石胆酸,脱氧胆酸
E. 甘氨鹅脱氧胆酸,牛磺鹅脱氧胆酸
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答案
E
解析
暂无解析
相关试题
【单选题】
胆汁固体成分中含量最多的是___
A. 胆固醇
B. 胆色素
C. 脂类
D. 磷脂
E. 胆汁酸盐
【单选题】
肝内胆固醇代谢的主要终产物是___
A. 7α–胆固醇
B. 胆酰CoA
C. 结合胆汁酸
D. 维生素D3
E. 胆色素
【单选题】
胆汁酸合成的限速酶是___
A. 7α–羟化酶
B. 7α–羟胆固醇氧化酶
C. 胆酰CoA合成酶
D. 鹅脱氧胆酰CoA合成酶
E. 胆汁酸合成酶
【单选题】
生物转化中第一相反应最主要的是___
A. 水解反应
B. 还原反应
C. 氧化反应
D. 脱羧反应
E. 加成反应
【单选题】
生物转化中参与氧化反应最重要的酶是:___
A. 加单氧酶
B. 加双氧酶
C. 水解酶
D. 胺氧化酶
E. 醇脱氢酶
【单选题】
下列哪项反应属生物转化第二相反应___
A. 乙醇转为乙酸
B. 醛变为酸
C. 硝基苯转变为苯胺
D. 乙酰水杨酸转化为水杨酸
E. 苯酚形成苯β–葡糖醛酸苷
【单选题】
乙醇性肝损伤多见于___
A. 肝细胞分区的Ⅰ带
B. 肝细胞分区的Ⅱ带
C. 肝细胞分区的Ⅲ带
D. 肝细胞分区的Ⅰ带和Ⅱ带
E. 肝细胞分区的Ⅱ带和Ⅲ带
【单选题】
下列哪种物质在网状内皮系统生成___
A. 胆红素
B. 葡萄糖醛酸担红素
C. 石胆酸
D. 胆汁酸
E. 甲状腺素
【单选题】
21下列哪项反应需NADPH为供氢体___
A. 单胺氧化酶催化的反应
B. 醛脱氢酶和醇脱氢酶催化的反应
C. 硝基化合物和偶氮化合物形成胺类
D. 醇酚形成硫酸酯类化合物
E. 苯甲酸形成苯甲酰β–葡糖醛酸苷
【单选题】
下面关于体内生物转化作用的叙述哪一项是错的___
A. 对体内非营养物质的改造
B. 使非营养物生物活性降低或消失
C. 可使非营养物溶解度增加
D. 使非营养物从胆汁或尿液中排出体外
E. 结合反应主要在肾脏进行
【单选题】
胆红素葡萄糖醛酸苷的生成需___
A. 葡萄粮醛酸基结合酶
B. 葡萄粮醛酸基转移酶
C. 葡萄粮醛酸基脱氢酶
D. 葡萄粮醛酸基水解酶
E. 葡萄粮醛酸基酯化酶
【单选题】
最普遍进行的生物转达化第二相反应是代谢物与___
A. 乙酰基结合
B. 葡萄糖醛酸结合
C. 硫酸结合
D. 谷胱甘肽结合
E. 甲基结合
【单选题】
体内含卟啉的化合物是___
A. 尼克酸
B. 胆固醇
C. 过氧物酶
D. 孕酮
E. 粪固醇
【单选题】
溶血性黄疸的特点是___
A. 血中结合胆红素含量增高
B. 血中胆素原剧减
C. 尿中胆红素增加
D. 未结合胆红素浓度增高
E. 粪便颜色变浅
【单选题】
巴比妥药物降低血清未结合胆红素的浓度是由于___
A. 药物增加了它的水溶性有利于游离胆红素从尿中排出
B. 诱导肝细胞内载体蛋白–Y合成
C. 抑制UDP-葡糖醛酸基转移酶的合成
D. 刺激Z蛋白合成
E. 竞争与血浆清蛋白结合
【单选题】
参与胆红素生成的有关酶是___
A. 过氧化物酶
B. 过氧化氢酶
C. 乙酰转移酶
D. 血红素加氧酶
E. 葡萄糖醛酸基转移酶
【单选题】
结合胆红素是___
A. 胆素原
B. 胆线素-BSP
C. 胆线素-Y蛋白
D. 胆红素-Z蛋白
E. 葡萄糖醛酸胆红素
【单选题】
下列哪种物质是肠内细菌作用的产物___
A. 胆红素
B. 鹅脱氧胆酸
C. 胆红素—阴离子
D. 硫酸胆红素
E. 胆素原
【单选题】
血中胆红素的主要运输形式是:___
A. 胆红素–清蛋白
B. 胆红素–Y蛋白
C. 胆红素–葡萄糖醛酸酯
D. 胆红素–氨基酸
E. 胆素原
【单选题】
梗阻性黄疸尿中主要的胆红素可能是___
A. 游离胆红素
B. 葡萄糖醛酸胆红素
C. 结合胆红素–清蛋白复合物
D. 胆红素–Y蛋白
E. 胆红素–Z蛋白
【单选题】
阻塞性黄疸时,凡登白试验为___
A. 直接反应阴性
B. 直接反应阳性
C. 直接反应阴性,间接反应强阳性
D. 双相反应阴性
E. 双相反应阳性
【单选题】
肝内胆红素的主要存在形式是哪一种___
A. 胆红素–清蛋白
B. 胆红素–Y蛋白
C. 胆红素–Z蛋白
D. 胆红素–阴离子
E. 游离胆红素
【单选题】
下列哪项会导致尿胆原排泄减少___
A. 肠梗阻
B. 溶血
C. 碱中毒
D. 胆道梗阻
E. 肝细胞性黄疸
【单选题】
胆红素主要来源于___
A. 血红蛋白分解
B. 肌红蛋白分解
C. 过氧化物酶分解
D. 过氧化氢酶分解
E. 细胞色素分解
【单选题】
⒈ 通过胞内受体发挥作用的信息物质为___
A. 乙酰胆碱
B. γ-氨基丁酸
C. 胰岛素
D. 甲状腺素
E. 表皮生长因子
【单选题】
绝大部分膜受体的化学性质为___
A. 糖脂
B. 磷脂
C. 脂蛋白
D. 糖蛋白
E. 类固醇
【单选题】
细胞内传递信息的第二信使是___
A. 受体
B. 载体
C. 无机物
D. 有机物
E. 小分子物质
【单选题】
下列哪项不是受体与配体结合的特点___
A. 高度专一性
B. 高度亲和力
C. 可饱和性
D. 不可逆性
E. 非共价键结合
【单选题】
通过膜受体起调节作用的激素是___
A. 性激素
B. 糖皮质激素
C. 甲状腺素
D. 肾上腺素
E. 活性维生素D3
【单选题】
下列哪项是旁分泌信息物质的特点:___
A. 持续时间长
B. 作用距离近
C. 效率低
D. 不需第二信使
E. 有特定的靶细胞
【单选题】
胞内受体化学性质为___
A. DNA结合蛋白
B. G蛋白
C. 糖蛋白
D. 脂蛋白
E. 糖脂
【单选题】
下列哪种受体是催化型受体___
A. 胰岛素
B. 生长激素受体
C. 干扰素受体
D. 甲状腺素受体
E. 活性维生素D3受体
【单选题】
IP3相应受体结合后,可使胞浆内哪种离子浓度升高___
A. K+
B. Na+
C. HCO3-
D. Ca2+
E. Mg2+
【单选题】
心钠素通过下列哪种信息传导途径发挥调节作用___
A. cAMP‐蛋白激酶途径
B. cGMP‐蛋白激酶途径
C. Ca2+‐CaM激酶途径
D. 受体型TPK‐Ras‐MAPK途径
E. JAKs‐STAT途径
【单选题】
在细胞内传递激素信息的小分子物质称为___
A. 递质
B. 载体
C. 第一信使
D. 第二信使
E. 第三信使
【单选题】
影响离子通道开关的配体主要是___
A. 神经递质
B. 类固醇激素
C. 生长因子
D. 无机离子
E. 甲状腺素
【单选题】
cGMP能激活___
A. 磷脂酶C
B. 蛋白激酶A
C. 蛋白激酶G
D. 酪氨酸蛋白激酶
E. 蛋白激酶C
【单选题】
cAMP能别构激活___
A. 磷脂酶A
B. 蛋白激酶A
C. 蛋白激酶C
D. 蛋白激酶G
E. 酪氨酸蛋白激酶
【单选题】
下列哪种物质不是细胞间信息物质___
A. 一氧化氮
B. 葡萄糖
C. 甘氨酸
D. 前列腺素
E. 乙酰胆碱
【单选题】
激活的G蛋白直接影响下列哪种酶___
A. 蛋白激酶A
B. 蛋白激酶C
C. 蛋白激酶G
D. 磷脂酶A
E. 磷脂酶C
推荐试题
【单选题】
Which information can you display by executing the show crypto ipsec sa command?___
A. ISAKMP SAs that are established between two peers
B. recent changes to the IP address of a peer router
C. proxy infor mation for the connection between two peers
D. IPsec SAs established between two peers
【单选题】
How can you prevent NAT rules from sending traffic to incorrect interfaces?___
A. Assign the output interface in the NAT statement
B. Add the no-proxy-arp command to the nat line.
C. Configure twice NAT instead o bject NAT. 5
D. Use packet-tracer rules to reroute misrouted NAT entries.
【单选题】
What term can be defined as the securing, control, and identification of digital data?___
A. cryptography
B. crypto key
C. cryptoanalysis
D. cryptology
【单选题】
Which feature in the dNS security module provide on and off network DNS protection?___
A. Data Loss Prevention
B. Umbrella
C. Real-time sandboxing
D. Layer-4 monitoring
【单选题】
Which a dverse consequence can occur on a network without BPDu guard ?___
A. The olde st switch can be elected as the root bridge
B. Unauthorized switches that are connected to the network can cause spanning-tree loops
C.
D. ouble tagging can cause the switches to experience CAM table overload.
【单选题】
What configuration is required for multitenancy ?___
A. shared infrastructure
B. multiple carriers
C. co-located resources
D. multiple separate zones
【单选题】
Why does ISE require its own certificate issued by a trusted CA?___
A. ISEs certificate allows guest devices to validate it as a trusted network device
B. It generates certificates for guest devices ba sed on its own certificate
C. It requests certificates for guest devices from the Ca server based on its own certificate.
D. ISE's certificate allows it to join the network security framework
【单选题】
which attack involves large numbers of ICMP packets with a spoofed source IP address?___
A. smurf attack
B. Teardrop attack
C. Nuke attack
D. SYN Flood attack
【单选题】
Which statement about interface and global access rules is true?___
A. Interface access rules are processed before global access rules.
B. Global access rules apply only to outbound traffic, but interface access rules can be applied in either direction
C. The implicit allow is proce ssed after both the global and interface access rules
D. If an interface access rule is applied, the global access rule is ignored
【单选题】
Which type of malicious software can create a back-door into a device or network?___
A. bot
B. worm
C. virus
D. Trojan
【单选题】
Which security term refers to the like lihood that a weakness will be exploited to cause damage to an asset?___
A. threat
B. risk
C. countermeasure
D. vulnerability
【单选题】
Which IPS detection method examines network traffic for preconfigured patterns?___
A. signature-based detection
B. honey-pot detection
C. anomaly-based detection
D. policy-based detection
【单选题】
What is an advantage of split tunneling ?___
A. It allows users with a VpN connection to a corporate network to access the internet with sending traffic across the cor porate network.
B. It allows users with a vpn connection to a corporate network to access the internet by using the vPN for security.
C. It protects traffic on the private network from users on the public network
D. It enables the VPN server to filter traffic more efficiently
【单选题】
Which IDS/IPS state misidentifies acceptable behavior as an attack ?___
A. false negative
B. true positive NEKA G
C. true negative
D. false positive
【单选题】
What is the maximum num ber of methods that a single method list can contain?___
A. 4
B. 3
C. 2
D. 5
【单选题】
Which command enables authentication at the oSPFv2 routing process level?___
A. ip ospf authentication message-digest
B. area 0 authentication message-digest
C. ip ospf message-digest-key 1 mds Cisco
D. area 0 authentication ipsec spi 500 md5 1234567890ABCDEF1234567890ABCDEF
【单选题】
Which type of firewall monitors a nd protects a specific system?___
A. firewall
B. application firewall
C. stateless firewall wvp
D. personal firewall
【单选题】
On an ASA, which maps are used to identify traffic?___
A. Route maps
B. Policy maps
C. Class maps
D. Service maps
【单选题】
Which type of social engineering attack targets top executives?___
A. whaling
B. vishin
C. spear phishing ng
D. baiting
【单选题】
What is the minimum Cisco lOS version that supports zone-based firewalls?___
A. 12.1T
B. 15.1
C. 15.0
D. 124
【单选题】
In which type of attack does an attacker overwrite an entry in the CAM table to divert traffic destined to a legitimate host?___
A. DHCP spoofing
B. ARP spoofing
C. CAM table overflow
D. MAC spoofing
【多选题】
Which two attack types can be prevented with the impleme ntation of a Cisco IPS solution?___
A. DDos
B. man-in-the-middle
C. worms
D. ARP spoofing
E. VLAN hopping
【多选题】
choose four___
A. DHCP snooping ——————————blocks DHCP messages
B. Dynamic ARP inspection——————verifies IP-to-MAC traffic on untrusted ports
C. IP sources guard ——————————provides layer 2 interface security with ports ACLs
D. Port security————————————mitigates MAC-address spoofing at the access interface
【多选题】
choose four___
A. Step1————————run the system setup wizard
B. Step2————————add an authentication realm
C. Step3————————configure identity management
D. Step4————————configure directory group
【多选题】
What are two advanced features of the Cisco AMp solution for endpoints ___
A. contemplation
B. foresight
C. sandboxing
D. reputation
E. reflection
【多选题】
Which two characteristics of RADIUS are true?___
A. It encrypts only the password between user and server.
B. It uses TCP ports 1812/1813
C. It uses UDP ports 1812/1813.
D. It uses UDP port 49
E. It uses TCP port 49
【多选题】
What are two challenges of using a network-based IPS? ___
A. It is unable to determine whether a detected attack was successful
B. It requires additional storage and proce ssor capacity on syslog servers
C. As the network expands, it requires you to add more sensors.
D. It is unable to detect attacks across the entire network
E. It must support multiple operating systems.
【多选题】
What are two default be haviors of the traffic on a zone-based firewall?___
A. Traffic within the self -zone uses an im plicit deny all.
B. All traffic between zones is implicitly blocked
C. Communication is allowed between interfadAss that are members of the same zone
D. Communication is blocked between interfaces that are members of the same zone
E. The CBAC rules that are configured on router interfaces apply to zone interfaces
【多选题】
Which two advantages does the on-premise model for MDM deployment have over the cloud-based model?___
A. The on-premise model is easier and faster to de ploy than the cloud-based model
B. The on-premise model is more scalable than the cloud-based model
C. The on-premise model is generally less expensive than the cloud-based model
D. The on-premise model generally has less latency than the cloud- based model.
E. The on-premise model provides more control of the MDM solution than the cloud
【多选题】
Which two actions can an end usts take to manage a lost or stolen device in Cisco ISE? ___
A. Activate Cisco ISE End point Protection Services to quarantine the device.
B. Add the mac address of the device to a list of blacklisted devices
C. Force the device to be locked with a PIN
D. Request revocation of the digital certificate of the device.
E. Reinstate a device that the user previously marked as lost or stolen
【多选题】
Which two problems can arise when a proxy firewall serves as the gateway between networks?___
A. It can prevent content caching
B. It can limit application support
C. It is unable to prevent direct connections to other networks
D. It can cause reduced throughput.
E. It is unable to provide antivirus protection
【多选题】
When using the Adaptive Security Device Manager(ASDM), which two methods are available to add a new root certificate?___
A. Use sCep
B. Install from SFTP server
C. Install from a file
D. Use Https
E. Use LDAP
【多选题】
Which two are considered basic security principles?___
A. Accountability
B. Redundancy
C. High Availabilit
D. Integrity
E. Confidentiality
【多选题】
Which two roles of the Cisco WSA are true?___
A. IPS
B. firewall
C. antispam
D. web proxy
E. URL filter
【单选题】
Which next-generation encryption algorithm supports four variants?___
A. SHA-2
B. SHA-1
C. MD5
D. HMAC
【单选题】
What aims to remove the abil ity to deny an action?___
A. Non-Repudiation
B. Accountability
C. Integrity
D. Deniability
【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