【单选题】
10)Which of the following descriptions about the control of body function is wrong?___
A. Homeostasis is kept by feedback control.
B. Negative feedback minimizes the changes, leading to stability.
C. Positive feedback is not useful.
D. Feed-forward makes human body foresee and adapt itself to the environment promptly.
查看试卷，进入试卷练习
微信扫一扫，开始刷题
相关试题
【单选题】
(1)Which of the following parts of knowledge of drugs should be included in pharmacology?___
A. The effects of drugs on man
B. The correlation of biological activity with chemical structure
C. The history, source, physical and chemical properties, compounding, biochemical and physiologicaleffects, mechanisms of action, absorption, distrilbution, biotransformation and excretion.
D. The prevention, recognition, and treatment of drug poisonings
【单选题】
(2)Which of the following is what a clinician is primarily interested in according to the text?___
A. Drugs which can be reasonably limited to those aspects that provide the basis for their rational clinical use
B. Chemical agents that are not used in therapy but are commonly responsible for household and industrial poisoning as well as environmental pollution
C. Drugs which are useful in the prevention,diagnosis and treatment of human disease,or in the prevention of pregnancy.
D. rugs which are useful in the prevention, diagnosis and treatment of human disease, or in the prevention of pregnancy.
【单选题】
(3)Why was the physician not interested in pharmacognosy?___
A. He didn't have to select the proper plants for his prescription
B. He had a broad botanical knowledge
C. Fewer drugs were obtained from natural sources
D. Natural drugs had little difference with synthetic ones
【单选题】
(4)Which of the following is the best way of studying pharmacology for medical students and practitioners?___
A. to have a broad botanical knowledge
B. to select a plant and its preparation
C. to have the ability to purify natural plants
D. to have curiosity that stimulates them to learn about sources of drugs
【单选题】
(5)What are the tasks related to medicines almost complete!y delegated to the pharmacists now?___
A. the physical and chemical properties of medicines
B. the preparing, compounding, and dispensing of medicines
C. dosage forms of medicines available
D. the therapeutic and other uses of medicines
【单选题】
(6) What is a main unique aspect of pharmacodynamics?___
A. Pharmacodynamics is an experimental medical science
B. Pharmacodynamics is focused on the characteristics of drugs
C. Pharmacodynamics borrows freely from both the subject matter and the experimenta techniques of physiology, biochemistry, microbiology, genetics and pathology
D. Pharmacodynamics correlates the entire field of preclinical medicine
【单选题】
7) What time of history does pharmacodynamics date back to?___
A. the second half of the seventeenth century
B. the second half of the eighteenth century
C. the second half of the nineteenth century
D. the second half of the twentieth century
【单选题】
8)What does the research on pharmacodynamics focus on?___
A. study of clinical effect of drugs
B. study of the process of drugs in the body
C. study of the effect and the mechanism of drugs on the body
D. study of the correlation of the actions and effects of drugs with their chemical structure
【单选题】
(9)Which of the following is true when drugs are selected?___
A. It has to be based in part on legal reasons.
B. It has to be based in part on ethical reasons.
C. It has to be based in part on the pharmacological evaluation in man
D. It has to be based in part on the pharmacological evaluation in animals
【单选题】
(10)Why are chemotherapeutic agents useful in therapy?___
A. They stimulate or depress biochemical or physiological function in man in a sufficiently reproducible manner to provide relief of symptoms or, ideally, to alter favorably the course of disease
B. They can produce desired effects with only tolerable undesired effects
C. They have only minimal effects on man but can destroy or eliminate parasites
D. The selectivity of their effects is one of their most important characteristics
【单选题】
1)H. Mario Geysen initially used parallel synthesis as a quick way to identify which small_____ of any given large protein bound to an antibody.___
A. division
B. pieces
C. part
D. fragment
【单选题】
2)Chemists often start a combinatorial synthesis by attaching the first set of building blocks_____ to microscopic beads made of polystyrene.___
A. solid
B. inert
C. soft
D. active
【单选题】
3）The chemical reactions required to link compounds to the beads and later to detach them____ to the synthesis proces.___
A. induce complications
B. make easy
C. introduce complications
D. introduce easy
【单选题】
4)In a parallel synthesis, all the products are_____ separately in their own reaction vessels.___
A. combined
B. assembled
C. joined
D. assorted
【单选题】
(5)In many laboratories today, robots assist with the routine work of parallel synthesis, such as small___ amounts of reactive molecules into the appropriate wells.___
A. sending
B. transporting
C. delivering
D. giving
【单选题】
(6)Scientists can pull out from the mixture the beads that bear biologically active molecules and then,using sensitive detection techniques,___ the molecular makeup of the compound attached.___
A. determine
B. make sure
C. find
D. search
【单选题】
(7)Most pharmaceutical companies today continue to___ parallel synthesis. Which of the following is not appropriate to be filled in the blank?___
A. count in
B. count on
C. depend on
D. rely on
【单选题】
(8)Once they identify a promising substance, they___ make many one-at-a-time modifications to the structure.___
A. laboriously
B. hardly
C. easy
D. effectively
【单选题】
(9)Often these procedures yield a compound having acceptable___ and safety.___
A. strength
B. effect
C. potency
D. effort
【单选题】
10)In many laboratories today, robots___ the routine work of parallel synthesis.___
A. help
B. assist with
C. assist in
D. assist to
【单选题】
(1)Pharmaceutics is an interdisciplinary subject involving___
A. formulation, manufacturing, physical pharmacy, and biopharmaceutics
B. manufacturing
C. physical pharmacy
D. biopharmaceutics
【单选题】
（2）Formulation is about the design, development and evaluation of dosage forms,___
A. discovery of novel drugs
B. analytical methods
C. drug delivery systems and manufacturing process
D. dosing regimen
【单选题】
(3)Biopharmaceutics mainly studies the in vivo process of drugs and metabolites in humans, animals and tissue culture, which specifically involves___
A. absorption and distribution
B. absorption, distribution, metabolism, and excretion
C. metabolism and excretion
D. absorption and excretion
【单选题】
(4)Regarding the definition of bioavailability(BA), BA is related to___
A. total plasma drug concentration only
B. unbound drug concentration in the plasma
C. unbound drug concentration at the target site
D. total plasma drug concentration, and the administered drug dose
【单选题】
(5)Plasma drug concentration is affected by following factors such as___
A. rate of absorption
B. rate and extent of distribution
C. rate ofeli Imination
D. all ofabove
【单选题】
6)Which of the following routes of administration will involve the absorption of drugs?___
A. i.v.injection
B. i.v.infusion
C. Subcutaneous injection, transdermal and oral
D. None of above
【单选题】
（7）Which of the following factors may influence the time course of a drug in the plasma and hence at its site of action?___
A. Food
B. Disease state
C. Route of administration
D. All of above
【单选题】
(8)Please identify the potential biological barriers for an orally administered tablet to be absorbed into the systemic circulation___
A. Sk d dermis
B. Gastrointestinal epithelium
C. Oral mucosal membrane
D. All of above
【单选题】
(9) Given the same administration dose, which of the following will likely result in varying bioavailabilities for the same drug administered to the same person? ___
A. tablets (p.o. )vs. solutions(p0.)
B. solutions for injection(i v )vs oral solutions(p0.)
C. coated tablets (p.0. )vs hard gelatin capsules(p0.)
D. All ofabove
【单选题】
(10)Which of the following statements is true?___
A. Bioavailability is only related to the administered dose and the total drug concentration in the blood circulation.
B. Plasma protein binding does not affect the bioavailability of a specific drug.
C. A given drug in different dosage forms may show differences in bioavailability if given by the same route.
D. Biopharmaceutical studies do not involve animal experiment.
【判断题】
Much of our present physiological knowledge has been found from the experiments and studies on human beings.
【判断题】
Living cells break down glucose and fats to provide energy for other activities, which is called.
【判断题】
The right atriapumps deoxygenated blood to the lungs where it absorbs oxygen from the air.
【判断题】
The nervous system uses electrical signals to transmit information very rapidly to specific cells.
【判断题】
With the level of sodium increasing extracelular fruid. the cardiac muscle cells become too excitable and may contract.
【判断题】
A negative feedback loop is a control system that acts to maintain the level of some variables within a given range following a disturbance
【判断题】
(1)Pharmacodynamics, which is concerned with the study of the biochemical and physiological effects of drugs and their mechanisms of action, Is an experimental medical science.
【判断题】
2)It's unreasonable for a physician to be interested mainly in the effects of drugs on human beings, for the pharmacological evaluation of drugs in them may be limited due to technical, legal, and ethical reasons.
【判断题】
（3） As the effects of drugs are often characterized by significant interspecies variation and may be further modified by disease, clinical pharmacology has never been efibrasized.
【判断题】
The physician is not interested in drugs that are useful in the prevention,diagnosis,and treatment of human disease, but in chemical agents that are commonly responsible for household and industrial poisoning as well as environmental pollution.
推荐试题
【单选题】
LKD1-T型车站列控中心历史数据记录周期为_______。[312010203]___
A. 20天
B. 25天
C. 30天
D. 45天
【单选题】
LKD1-T型车站列控中心维修机中故障信息可记录_______。[312010203]___
A. 10天
B. 20天
C. 30天
D. 40天
【单选题】
LKD1-T型车站列控中心机柜面版上“主控”指示灯亮灯时为_______。[312010201]___
【单选题】
LKD1-T型车站列控中心机柜面版上“备用”指示灯亮灯时为_______。[312010201]___
【单选题】
LKD1-T型车站列控中心机柜面版上“离线”指示灯亮灯时为_______。[312010201]___
【单选题】
通过报文读写工具BEPT可改写_______的数据报文。[323000000]___
A. 无源应答器
B. 有源应答器
C. LEU
D. 警示标
【单选题】
Fzh-CTC分散自律调度集中电务维护工作站运行信息的记录保存时间为_______。[312000000]___
A. 8个月
B. 10个月
C. 12个月
D. 13个月
【单选题】
Fzh-CTC分散自律调度集中动态口令身份认证系统密码应采用_______方式。[333000000]___
A. 固定密码
B. 时间同步
C. 事件同步
D. 与用户捆绑
【单选题】
Fzh-CTC分散自律调度集中在控显机终端或控制台上增加一个带铅封的非常站控按钮及_______表示灯。[321000000]___
【单选题】
Fzh-CTC分散自律调度集中车站系统中按控制台下非常站控按钮，这时_______灯点亮表示处于非常站控状态。[321010201]___
【单选题】
Fzh-CTC分散自律调度集中车站系统控制台_______灯点亮时，表示值班员可以拔出非常站控按钮转到遥控状态。[313010201]___
【单选题】
Fzh-CTC分散自律调度集中车站系统控制台及自律机_______灯点亮时，表示操作由自律机执行。[312010201]___
【单选题】
当Fzh-CTC分散自律调度集中车站系统_______故障时，中心能够报警。[332000000]___
A. 维修机
B. 操表机
C. 联锁机
D. 自律机
【单选题】
Fzh-CTC分散自律调度集中车站自律机通过_______口与无线车次号校核系统的地面接收机相连接。[331000000]___
A. RS433
B. RS422
C. RS242
D. RS485
【单选题】
Fzh-CTC分散自律调度集中调试和平时维护时往自律机中复制程序和数据用的接口是_______。[322000000]___
A. 串口
B. USB口
C. 并口
D. COM口
【单选题】
Fzh-CTC分散自律调度集中自律机作为心跳使用的接口是_______。[322000000]___
A. 串口
B. USB口
C. 并口
D. COM口
【单选题】
Fzh-CTC分散自律调度集中自律机的CAN卡正常工作时，CAN卡上面的两个指示灯会分别指示绿色和_______色。[332010201]___
【单选题】
Fzh-CTC分散自律调度集中KVM切换装置前面板_______亮灯说明当前显示器和键盘鼠标控制的是A车务终端。[332000000]___
A. B选中
B. B加电
C. A选中
D. A加电
【单选题】
Fzh-CTC分散自律调度集中KVM延长器在正常情况下上面的指示灯是_______的。[332010201]___
A. 同时亮
B. 交替闪烁
C. 全灭灯
D. 信号传输时亮
【单选题】
CISCO路由器S0/0接口名称中的“S”表示_______接口。[322000000]___
【单选题】
CISCO路由器F0/0接口名称中的“F”表示_______接口。[322000000]___
A. 快速串行
B. 快速以太网
C. 并行
D. 数据
【单选题】
路由协议中“STP”的中文名称是_______。[311000000]___
A. 普通路径协议
B. 增强型内部网关路由协议
C. 热备份路由协议
D. 生成树协议
【单选题】
路由配置提示符“Router>”说明目前在_______模式。[322000000]___
A. 特权EXEC
B. 用户EXEC
C. 全局配置
D. 接口配置
【单选题】
路由配置提示符“Router#”说明目前在_______模式。[322000000]___
A. 特权EXEC
B. 用户EXEC
C. 全局配置
D. 接口配置
【单选题】
一般车站中在TDCS站机屏幕上可以看见相邻_______站站场情况。[311000000]___
【单选题】
当与调度所通信中断中，TDCS站机屏幕右下角表示灯 _______ 。[333010201]___
A. 闪绿灯
B. 亮绿灯
C. 闪红灯
D. 亮红灯
【单选题】
TYJL-Ⅱ型计算机联锁系统，可点压电务维修机显示屏菜单栏的“_______切换”按钮来切换所调用的记录数据文件，进行主备监控机各种信息的查询。[322000000]___
A. A机
B. B机
C. C机
D. A/B机
【单选题】
TYJL-Ⅱ型计算机联锁系统运用过程中，若系统停电不超过_______就恢复供电，微机房不做信息存盘处理。[331000000]___
A. 3min
B. 4min
C. 5min
D. 6min
【单选题】
TYJL—Ⅱ型计算机联锁系统，每个I/O板最多控制_______采集板或驱动板。[32212000000]___
A. 4个
B. 8个
C. 16个
D. 32个
【单选题】
TYJL—Ⅱ型计算机联锁系统，采集电路采集设备状态在有信息时，采集点与采集地的直流电压应大于_______。[332010102]___
A. 10V
B. 16V
C. 18V
D. 24V
【单选题】
TYJL-ECC型计算机系统，每块INOM板提供_______信息点。[332000000]___
A. 24路
B. 32路
C. 40路
D. 48路
【单选题】
计算机联锁应按联锁图表进行_______一次的联锁试验。[312030204]___
【单选题】
计算机联锁采用_______结构的实质在于用增加相同性能的模块来换取系统的可靠性和安全性的。[332000000]___
【单选题】
当计算机联锁系统备机停机或备机仅处于_______时，禁止关闭主机电源或人为干预主机切换到备机。[332000000]___
A. 停机状态
B. 热备状态
C. 主机状态
D. 同步校核状态
【单选题】
下列设备中_______不需要UPS供电。[311000000]___
A. 联锁主机
B. 监控子系统打印机
C. 控制台分机 C输入分机
【单选题】
计算机联锁系统联锁机的故障一安全性是指_______。[322000000]___
A. 联锁机不发生危险侧输出的功能
B. 联锁机平均危险侧输出的间隔时间
C. 联锁机在规定的时间和条件下完成联锁功能的概率
D. 联锁机不发生危险侧输出概率
【单选题】
JD-1A型微机联锁系统控制台，区段空闲时，构成区段的发光二极管_______。[311010201]___
A. 不点亮
B. 发白色光
C. 发红色光
D. 闪白色光
【单选题】
JD-1A型微机联锁系统控制台，区段锁闭时，构成区段的发光二极管_______。[331010201]___
A. 不点亮
B. 发白色光
C. 发红色光
D. 闪白色光
【单选题】
JD-1A型微机联锁系统控制台，区段占用时，二极管_______。[331010201]___
A. 不点亮
B. 发白色光
C. 发红色光
D. 闪白色光
【单选题】
JD-1A型微机联锁系统控制台，进站信号机红白灯表示_______。[331010201]___
A. 信号关闭
B. 引导信号
C. 信号开放
D. 灯丝断丝
