相关试题
【单选题】
关于影响肺换气的因素，错误的是___。
A. 气体扩散速率与呼吸膜厚度呈反比
B. 气体扩散速率与呼吸膜面积呈正比
C. 通气∕血流比值增大有利于换气
D. 通气∕血流比值减小不利于换气
E. 气体扩散速率与气体的分压差高低有关
【单选题】
O2在血液中运输的主要形式是___。
A. 物理溶解
B. 氧合血红蛋白
C. 碳酸氢盐
D. 氨基甲酸血红蛋白
E. 以上都不是
【单选题】
有关氧的运输的叙述，下列哪项错误___
A. O2的运输形式有物理溶解和化学结合两种形式
B. O2的结合形式是氧合血红蛋白
C. 血液中化学结合的O2量远大于物理溶解的O2量
D. O2与Hb的结合反应快，不需要酶的催化，，且可逆的
E. 吸入高压氧主要是增加化学结合的O2量
【单选题】
Hb氧饱和度的高低主要决定于___
A. Hb的浓度
B. 氧分压
C. 血浆pH值
D. CO2分压
E. 2,3-DPG含量
【单选题】
氧离曲线是表示下列哪种关系的曲线：___
A. 血红蛋白含量与氧解离量
B. 血红蛋白氧饱和度与血红蛋白氧含量
C. 血红蛋白氧饱和度与血氧分压
D. 血红蛋白氧含量与血红蛋白氧容量
E. 血红蛋白与血红蛋白氧含量
【单选题】
使氧解离曲线左移的是___
A. PCO2升高
B. pH降低
C. 温度升高
D. 2,3-DPG升高
E. 库存三周后的血液
【单选题】
引起氧离曲线右移的是：___
A. CO2分压增加
B. 2，3-DPG降低
C. pH升高
D. 温度降低
E. CO2分压降低
【单选题】
CO2在血液中的主要运输形式是：___
A. 物理溶解
B. 氨基甲酸血红蛋白
C. 碳酸氢盐
D. 去氧血红蛋白
E. 氧合血红蛋白
【单选题】
CO2在血液中运输的主要形式是___。
A. 物理溶解
B. 氧合血红蛋白
C. 碳酸氢盐
D. 氨基甲酸血红蛋白
E. 以上都不是
【单选题】
气体在血液中的运输错误的是___。
A. O2 的运输主要以氧合血红蛋白(HbO2)的方式运输
B. CO2的运输大部分用氨基甲酸血红蛋白形式
C. CO2的运输大部分用HCO-3的方式
D. 氧合血红蛋白的结合是舒松可逆的，结合或解离取决于氧分压
E. 二氧化碳和水结合，形成碳酸氢盐进行运输
【单选题】
呼吸的基本中枢在___。
A. 脊髓
B. 延髓
C. 脑桥
D. 下丘脑
E. 大脑皮质
【单选题】
调节呼吸的基本中枢位于___
A. 脊髓
B. 延髓
C. 脑桥
D. 中脑
E. 大脑皮层
【单选题】
呼吸的调整中枢在___。
A. 脊髓
B. 延髓
C. 脑桥
D. 下丘脑
E. 大脑皮质
【单选题】
脑桥呼吸调整中枢的主要功能是：___
A. 促使吸气转为呼气
B. 促使呼气转为吸气
C. 减慢呼吸频率
D. 使吸气缩短、呼气延长
E. 接受肺牵张反射的传入信息
【单选题】
切断兔颈部的双侧迷走神经后，呼吸将___
A. 变深变快
B. 变浅变快
C. 变浅变慢
D. 变深变慢
E. 吸气时相缩短
【单选题】
中枢化学感受器最敏感的刺激物是___
A. 血液中的CO2
B. 血液中的H+
C. 脑脊液中的H+
D. 脑脊液中的CO2
E. 脑脊液中的PO2降低
【单选题】
通过兴奋中枢化学感受器增强肺通气的有效刺激是___
A. 脑脊液 H+浓度升高
B. 脑脊液CO2 分压升高
C. 脑脊液 O2 分压降低
D. 动脉血 H+浓度升高
E. 动脉血 O2 分压降低
【单选题】
感受动脉血氧分压降低引起肺通气增强最主要的感受器位于 ___
A. 颈动脉体
B. 颈动脉窦
C. 主动脉体
D. 主动脉弓
E. 延髓
【单选题】
动脉血PCO2升高对呼吸的兴奋作用主要是通过下列哪条途径实现的___
A. 直接刺激呼吸中枢
B. 刺激外周化学感受器
C. 刺激中枢化学感受器
D. 刺激颈动脉窦、主动脉弓压力感受器
E. 直接兴奋呼吸肌
【单选题】
血液中CO2分压升高使呼吸运动加强的主要途径是：___
A. 直接刺激延髓呼吸中枢的神经元
B. 通过刺激中枢化学敏感区而引起
C. 直接刺激延髓呼吸中枢的神经元
D. 通过刺激颈动脉体和主动脉体感受器而引起
E. 通过刺激颈动脉窦和主动脉弓感受器而引起
【单选题】
PC02升高，使呼吸运动增强，主要是通过___。
A. 刺激外周化学感受器
B. 刺激中枢化学感受器
C. 直接兴奋延髓呼吸中枢
D. 直接抑制延髓呼吸中枢
E. 直接兴奋脑桥呼吸调整中枢
【单选题】
生理情况下，血液中调节呼吸的最重要因素是___
A. OH-
B. H+
C. O2
D. CO2
E. NaHCO3
【单选题】
调节呼吸运动最重要的生理因素是：___
A. CO2
B. O2
C. H+
D. 2，3-DPG
【单选题】
维持呼吸中枢正常兴奋性所必需的是___。
A. 缺O2
B. 一定浓度的CO2
C. NaHCO3
D. 一定浓度的H+
E. HCO3-
【单选题】
血液中H+浓度增加使呼吸运动加强主要刺激下列哪一途径而实现：___
A. 延髓呼吸中枢
B. 中枢化学敏感区
C. 颈动脉窦和主动脉弓感受器
D. 颈动脉体和主动脉体感受器
E. 脑桥呼吸中枢
【单选题】
低O2使呼吸运动加强主要刺激下列哪一途径实现：___
A. 刺激中枢化学敏感区而兴奋呼吸中枢
B. 刺激颈动脉窦和主动脉弓感受器而兴奋呼吸中枢
C. 兴奋颈动脉体和主动脉体感受器
D. 直接兴奋脑桥呼吸中枢
E. 直接刺激呼吸中枢
【单选题】
PO2降低，使呼吸运动增强，主要是通过___。
A. 刺激外周化学感受器
B. 刺激中枢化学感受器
C. 直接兴奋延髓呼吸中枢
D. 直接抑制延髓呼吸中枢
E. 直接兴奋脑桥呼吸调整中枢
【单选题】
H+浓度升高，使呼吸运动增强，主要是通过___。
A. 刺激外周化学感受器
B. 刺激中枢化学感受器
C. 直接兴奋延髓呼吸中枢
D. 直接抑制延髓呼吸中枢
E. 直接兴奋脑桥呼吸调整中枢
【单选题】
关于肺牵张反射的叙说，错误的是：___
A. 感受器存在于支气管和细支气管的平滑肌层
B. 可促使吸气及时转为呼气
C. 传入纤维在迷走神经中上行至延髓
D. 有明显的种族差异
E. 正常人平静呼吸时，对呼吸节律起重要调节作用
【多选题】
正常呼吸节律的形成主要依赖于___。
A. 延髓
B. 脑桥
C. 中脑
D. 脊髓
E. 大脑皮质
【单选题】
对消化道平滑肌生理特性的叙述，下列哪项错误___
A. 富有伸展性
B. 具有像心脏一样规则的自律性
C. 具有紧张性收缩
D. 兴奋性低
E. 对机械牵张刺激敏感
【单选题】
关于消化道平滑肌生理特性的叙说，正确的是：___
A. 兴奋性比骨骼肌高
B. 收缩速度较慢
C. 伸张性小
D. 对化学刺激不敏感
E. 有稳定的自发节律性
【单选题】
消化道平滑肌对下列哪种刺激反应不敏感___
A. 机械牵张
B. 电和切割
C. 温度变化
D. 酸碱等化学物质
E. 缺血和平滑肌痉挛
【单选题】
消化器官不具备下列哪种功能___
A. 消化食物
B. 内分泌
C. 免疫
D. 吸收营养
E. 维持酸碱平衡
【单选题】
消化管共有的运动形式是___
A. 紧张性收缩
B. 容受性舒张
C. 蠕动
D. 分节运动
E. 集团蠕动
【单选题】
关于消化道平滑肌基本电节律的叙说，正确的是：___
A. 胃肠各段的频率相同
B. 起步点是纵肌与环肌之间的Cajal细胞
C. 依赖于支配神经的存在
D. 不受体液因素的影响
E. 可促发肌肉收缩
【单选题】
胃肠平滑肌动作电位产生的主要离子基础是：___
A. K+内流
B. Na+内流
C. Ca2+内流
D. Cl—外流
E. K+外流
【单选题】
迷走神经兴奋时将引起___
A. 胃肠平滑肌活动增强，消化腺分泌减少
B. 胃肠平滑肌活动减弱，消化腺分泌增多
C. 胃肠平滑肌活动增强，消化腺分泌增多
D. 胃肠平滑肌活动减弱，消化腺分泌减少
E. 胃肠平滑肌活动变化不明显，消化腺分泌增多
【单选题】
副交感神经兴奋可使___
A. 胃肠运动加强
B. 胃排空减慢
C. 胆囊舒张
D. 消化腺分泌减少
E. 括约肌收缩
【单选题】
迷走神经兴奋引起胰液分泌的特点是___
A. 水多，碳酸氢盐少，胰酶含量多
B. 水和碳酸氢盐少，胰酶含量多
C. 水和碳酸氢盐多，胰酶含量少
D. 水和碳酸氢盐多，胰酶含量少
E. 水和碳酸氢盐少，胰酶含量少
推荐试题
【单选题】
What is a benefit of using Enhanced vMotion Compatibility for an environment? ___
A. EVC masks CPU features to allow compatibility between hosts that are dissimilar.
B. EVC allows for cross platform vMotion to occur.
C. EVC enables Long
D. istance vMotion.
【单选题】
How many Link Aggregation Groups (LAGs) can be configured on a vSphere 6.x Distributed Switch? ___
A. 64
B. 96
C. 128
D. 256
【单选题】
How many Link Aggregation Groups (LAGs) can be configured on a vSphere 6.x Distributed Switch? ___
A. 64
B. 96
C. 128
D. 256
【单选题】
An administrator needs to verify that vMotion operations can be performed in a vSphere data center.What round trip time (RTT) latency is the maximum value that will allow vMotion operations to succeed? ___
A. 50ms RTT
B. 100ms RTT
C. 150ms RTT
D. 200ms RTT
【单选题】
A storage administrator has reported that full utilization of all bandwidth from an ESXi 6.x host is not being seen. In troubleshooting the issue, the Adapter details are shown in the Exhibit. Based on the exhibit, what is cause of the issue? ___
A. The array is not setup to use the correct multipathing policy.
B. There are no virtual machines on the ESXi host.
C. Not all links are used because a path is disabled.
D. Another path needs to be configured.
【单选题】
An administrator is migrating a powered-on virtual machine, as shown in the exhibit. Which option should be selected to perform a Storage vMotion of the VM? ___
A. Change storage only
B. Change VM compute resource only
C. Change both compute resource and storage, changing the compute resource first.
D. Change both compute resource and storage, changing the storage resource first.
【单选题】
An administrator is attempting to enable Storage I/O Control on a datastore, but it is failing. What is the likely reason for this failure? ___
A. The host is connected to a datastore is running on ESX 4.0.
B. The host is connected to a Fibre Channel storage array.
C. The datastore has multiple extents.
D. The datastore is managed by a single vCenter Server.
【单选题】
A mission-critical virtual machine built on vSphere 4.1 needs to be moved to an ESXi 6.x host.Which virtual hardware version is needed to move the virtual machine without upgrading? ___
【单选题】
An administrator is analyzing a virtual machine as shown in the Exhibit. What is the current long term risk for this virtual machine? ___
A. The virtual machine may run out of memory before April 27.
B. The virtual machine may continue to function after April 27.
C. The virtual machine has adequate memory configured for operation for the next 120 days.
D. The virtual machine has adequate memory reservation configured for operation for the next 120 days.
【单选题】
An administrator is monitoring a High Availability (HA) and Distributed Resource Scheduler (DRS) enabled cluster and has noticed that virtual machines in the cluster are being migrated without user intervention. Why is this happening? ___
A. The DRS Automation level is set to Fully Automated.
B. The Automation level is set to Automatic.
C. The
D. PM Threshold is set to Aggressive.
【单选题】
An administrator attempts to migrate a suspended virtual machine to a newly deployed vSphere 6.x cluster. The compatibility check fails. What condition could cause this behavior?___
A. The new vSphere 6.x cluster is running Intel CPUs instead of AMD CPUs.
B. A suspended virtual machine cannot be migrated.
C. The hardware virtualization feature of the CPU is not enabled on the new hosts.
D. A vSphere Distributed Switch is required to migrate a suspended virtual machine.
【单选题】
A vSphere administrator has been using vSphere in evaluation mode and now wants to deploy an environment that provides the same features. Which edition of vSphere provides similar functionality to evaluation mode? ___
A. Enterprise Plus
B. Enterprise
C. Standard
D. Essentials
【单选题】
A vSphere administrator has been using vSphere in evaluation mode and now wants to deploy an environment that provides the same features. Which edition of vSphere provides similar functionality to evaluation mode? ___
A. Enterprise Plus
B. Enterprise
C. Standard
D. Essentials
【单选题】
An administrator has just configured the IP address on an ESXi host from the Direct Console User Interface. How can the configuration be validated as correct without any additional tools?___
A. Add the host to vCenter Server and if it works, then all networking settings are ok.
B. Select the Test Management Network option from the DCUI.
C. Connect to the host with the vSphere Client and click the Test Network option.
D. Use PowerCLI to connect to the host and initiate a network test.
【单选题】
An administrator is installing vCenter Server for an environment that has 40 ESXi 6.x Hosts and 150 virtual machines. Which database would meet the minimal requirements needed for this task? ___
A. vFabric Postgres
B. Microsoft SQL Express 2008
C. Microsoft SQL Server 2014
D. Oracle 11g
【单选题】
What is a requirement when enabling a Virtual SAN cluster in an existing High Availability (HA) and Distributed Resource Scheduler (DRS) Cluster? ___
A. Disable DRS and HA before enabling Virtual SAN
B. Enable DRS before enabling Virtual SAN
C. Disable HA before enabling Virtual SAN
D. Enable Storage DRS before enabling Virtual SAN
【单选题】
The vSphere administrator attempts to connect to an ESXi host via an SSH client and receives the following security alert: The vSphere administrator needs to determine whether the RSA key fingerprint shown in the security alert is the fingerprint of the intended ESXi host. Which tool should the vSphere administrator use? ___
A. Direct Console User Interface
B. vSphere Client
C. vSphere Web Client
D. vSphere Management Assistant
【单选题】
An administrator needs to monitor traffic on vSwitches in a vSphere 6.x environment. Which option, if configured, would accomplish this task? ___
A. Forged Transmits
B. MAC Address Changes
C. Promiscuous Mode
D. Notify Switches
【单选题】
What is true regarding datastores on ESXi 6.x? ___
A. NFS 4.1 datastore does not support Fault Tolerance (FT)
B. VMFS3 and VMFS5 datastores can be newly created
C. NFS datastore can be concurrently mounted using NFS 4.1 on one host and NFS on another
D. NFS 3.0 datastore does not support Fault Tolerance (FT)
【单选题】
An administrator is cloning and configuring five new web server virtual machines. What would be the benefit of configuring resource shares for the new VMs? ___
A. To prioritize access to a resource during contention.
B. To guarantee access to a resource during contention.
C. To prioritize access to a resource before contention occurs.
D. To guarantee access to a resource before contention occurs.
【单选题】
An administrator logs into the vSphere Web Client and sees the warning shown in the Exhibit. During a change control window, the warning was addressed. What should be done to verify that the host is no longer showing the warning? ___
A. Run a Remediate host operation.
B. Recheck the compliance of the host.
C. Restart the host to get rid of the warning.
D. Install VMware tools to clear the warning.
【单选题】
A vApp named Sales has a Memory Limit of 32 GB and a CPU Limit of 12,000 MHz. There are three virtual machines within the vApp: <Sales-DB -- Has a memory reservation of 20 GB. > <Sales-DC -- Has a memory reservation of 8 GB. > <Sales-Web -- Has a memory reservation of 8 GB.> Which statement is correct? ___
A. All three virtual machines can power on, but will have memory contention.
B. All three virtual machines can power on without memory contention.
C. Only two of the three virtual machines can power on.
D. Only one of the virtual machines can power on.
【单选题】
You are editing the management network configuration of an ESXi 6.x Host from the vSphere Web Client. You mistakenly put the incorrect VLAN in place for the management network. What action do you need to take to correct this? ___
A. You need to manually edit the configuration on the host with command line utilities.
B. No action is required. By default ESXi rolls back configuration changes that disconnect the host.
C. The ESXi host system configuration will need to be restored to the factory configuration to fix the issue.
D. The change can be reverted in the vSphere Web Client by simply editing the switch again.
【单选题】
What is true about resource pools created on a Distributed Resource Scheduler (DRS) cluster?___
A. A root resource pool is created with the specified values.
B. A root resource pool is automatically created using the aggregate total of the ESXi host resources in the cluster.
C. A root resource pool is automatically created using the aggregate total of all resources in the datacenter.
D. A root resource pool is not needed when creating resource pools on a DRS cluster.
【单选题】
An administrator attempts to enable Enhanced vMotion Compatibility (EVC) on a cluster. The operation results in a compatibility error, as shown in the exhibit. What is the likely cause of this error? ___
A. The CPUs in the ESXi host are not AMD CPUs.
B. The CPUs in the ESXi host do not support hardware virtualization capabilities.
C. The XD/NX CPU features have not been enabled in the BIOS of the server.
D. There is no shared storage between the hosts in the cluster.
【单选题】
What condition would prevent an administrator from creating a new VMFS3 datastore on an ESXi 6.x host using the vSphere Web Client? ___
A. A VMFS3 datastore cannot be created on an ESXi 6.x host.
B. The VMFS3 kernel module is not loaded.
C. A VMFS3 datastore cannot be mounted on an ESXi 6.x host.
D. VMFS3 datastores are not compatible with virtual machines created on an
E. SXi 6.x host.
【单选题】
During a new vSphere Distributed Switch configuration, where does the Maximum Transmission Unit (MTU) value get modified? ___
A. Uplink Settings
B. Switch Settings
C. Portgroup Settings
D. NIC Teaming Settings
【单选题】
A small company wants to use VMware products for its production systems. The system administrator needs to recommend a solution that will deliver High Availability to the company's production applications. What is minimum vSphere offering that will support this requirement? ___
A. vSphere Essentials
B. vSphere Essentials Plus
C. vSphere Hypervisor
D. vSphere Standard
【单选题】
Which scenario shows a reason for VMware Tools failing to install? ___
A. Virtual machine has a CD-ROM configured.
B. Guest OS Antivirus is blocking the VMware Tools installation.
C. Guest OS has 64-bit ldd (list dynamic dependencies) utility installed.
D. Virtual machine is powered on.
【单选题】
An administrator is configuring an ESXi 6.x host to use multiple NICs to resolve a management network redundancy error. After configuring a second NIC, the server is not able to communicate when the primary connection is taken down. The administrator analyzes the Exhibit shown here. Based on the exhibit, what is the likely cause of the issue? ___
A. vmnic4 is not attached to a vSwitch.
B. vmnic2 is not connected to a physical switch.
C. E1000 is the incorrect NIC
D. river for this card.
【单选题】
What information is required as part of an interactive ESXi 6.x installation? ___
A. Keyboard layout
B. IP Address
C. Root password
D. DNS information
【单选题】
What is the default load balancing policy for a newly created VMkernel port on a vSphere Distributed Switch? ___
A. Route based on orginating virtual port ID
B. Route based on IP Hash
C. Route based on source mac address
D. Route based on physical NIC load
【单选题】
An administrator deploys vCenter Server using the embedded Platform Services Controller. After testing the deployment for a couple of months, it is determined that the environment would be better served with an external Platform Services Controller. What should the administrator do to meet this new requirement? ___
A. Deploy a fresh instance of vCenter Server with an external Platform Services Controller.
B. Perform a fresh install of an external Platform Services Controller.
C. Migrate the embedded Platform Services Controller to an external Platform Services Controller.
D. Upgrade the embedded Platform Services Controller to an external Platform Services Controller.
【单选题】
Why are some virtual machines orphaned after rebooting a High Availability (HA) enabled host? ___
A. The Orphaned virtual machines have HA restart disabled.
B. The Orphaned virtual machines moved recently and the change did not persist.
C. The host is attached to failed storage.
D. The host just came out of maintenance mode.
【单选题】
Which vSphere 6 Standard Edition feature will allow an organization to ensure that critical multi-threaded applications have the maximum possible uptime? ___
A. Fault Tolerance
B. High Availability
C. Distributed Resource Scheduler
D. App HA
【多选题】
An application running in a virtual machine is experiencing performance issues. When utilizing performance monitoring utilities, it is noted that the CPU Utilization of the application is at 100%. Which two scenarios are probable causes of the CPU contention for the application? (Choose two.)___
A. There is a network I/O constraint.
B. There is a storage I/O constraint.
C. There is insufficient disk space assigned to the virtual machine.
D. The application is not virtualization aware.
【多选题】
A Fault Tolerance (FT) virtual machine with four vCPUs is experiencing high latency when performing ICMP and Application tests. What are three potential causes that may be attributing to this latency? (Choose three.)___
A. The FT network has insufficient bandwidth and is running on a 1GB Link.
B. The FT network is on a particularly high latency link.
C. The FT network has been configured with Network I/O Control.
D. The FT virtual machine is running an e1000 network adapter.
E. The
F. T virtual machine is running on poor performing network-based storage.
【多选题】
A virtual machine is experiencing performance issues. The following performance metrics are observed: <CPU usage value for the virtual machine is above 90%> < CPU ready value for the virtual machine is above 20%> Which two activities will likely resolve the performance issues? (Choose two.)___
A. Set a CPU reservation for the virtual machine.
B. Increase the CPU limit on the virtual machine.
C. Decrease CPU shares equally for all virtual machines on the host.
D. Increase CPU shares equally for all virtual machines on the host.
【多选题】
An administrator is upgrading a vSphere Distributed Switch. The existing switch is version 6.0 and the administrator wants to upgrade to the latest version possible. The environment contains several ESXi 6.1 hosts. Which two options are available to ensure that the upgraded switch will be compatible with these hosts? (Choose two.)___
A. Upgrade the vSphere Distributed Switch to 6.0
B. Upgrade the ESXi 5.5 hosts to version 6.0, then upgrade the vSphere Distributed Switch to 5.5
C. Upgrade the vSphere Distributed Switch to 5.1
D. Upgrade the
E. SXi host switches to 5.5, then upgrade the vSphere Distributed Switch to 5.5
【多选题】
An administrator attempts to create a Thick Provisioned Virtual Disk (VMDK) on an NFS datastore; but it fails. Which two reasons would explain the failure? (Choose two.)___
A. Datastore is on an NFS 3 storage server that does not support Hardware Acceleration
B. Datastore is on an NFS 4.1 storage server
C. Only VMFS datastores support "Thick Provisioned" VMDK
D. The NFS datastore was not created on a "Thick Provisioned" device
