【单选题】
(5)Whicl of the following is a physiological process with negative feedback?___
A. blood coagulation
B. process of passing urine
C. sino-aortic baroreceptor reflex
D. process of parturition
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答案
C
解析
暂无解析
相关试题
【单选题】
(6)Which of the following is not the characteristic of regulation by hormone?___
A. diffusenin nature
B. longer in duration
C. accurate in action
D. action in overcorrection
【单选题】
7)Which of the following is not the characteristic of cells?___
A. They are bound by the plasma membrane
B. They have the ability to break down large molecules to smaller ones to Liberate energy for their activities
C. They possess a nucleus which contains genetic information in the form of deoxyribonucleicacid(DNA).
D. Living cells can not transform materials.
【单选题】
8)The breakdown of large molecules to smaller ones is called___
A. respiration
B. anabolism
C. catabolism
D. absorption
【单选题】
9) Which of the following descriptions about the characteristics of nervous regulation is wrong?___
A. It responds fast
B. It acts exactly
C. It responds slowly.D.
D. uration is short
【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.
【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.
A. 对
B. 错
【判断题】
Living cells break down glucose and fats to provide energy for other activities, which is called.
A. 对
B. 错
【判断题】
The right atriapumps deoxygenated blood to the lungs where it absorbs oxygen from the air.
A. 对
B. 错
【判断题】
The nervous system uses electrical signals to transmit information very rapidly to specific cells.
A. 对
B. 错
【判断题】
With the level of sodium increasing extracelular fruid. the cardiac muscle cells become too excitable and may contract.
A. 对
B. 错
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【单选题】
安装在驾驶舱头顶板应急电源面板上的“EMERGENTEST”（应急发电机测试）电门，其功用是：___
A. 在任何情况下对应急马达发电机进行测试
B. 在空中状态下对应急马达发电机进行测试
C. 在地面任何状态下，对应急马达发电机进行测试
D. 在地面状态及蓝液压系统工作的情况下，对应急马达发电机进行测试
【单选题】
变压器整流器（）的功用是：___
A. 将飞机115VAC电源转换成28VDC电源，提供给飞机直流汇流条
B. 将飞机115VAC电源转换成28VAC电源，提供给飞机交流汇流条
C. 将飞机28VDC电源转换成115VAC电源，提供给飞机交流汇流条
D. 将飞机28VAC电源转换成28VDC电源，提供给飞机直流汇流条
【单选题】
当GEN2（右发电机）不可用，飞机2号电网将可从哪些电源获得电能？___
A. GEN1（左发电机）、APU发电机、地面电源
B. GEN1（左发电机）、APU发电机
C. GEN1（左发电机）
D. 应急发电机
【单选题】
当发现跳开关面板上有跳开关被拔出或跳开的情况下，应当如何进行处理：___
A. 无须理会，直接执行手上的维护工作
B. 大致检查系统状况正常后即可闭合
C. 检查是否有合法的拔出标示牌；如果没有，必须先确认该跳开关是否与系统状况相符合或造成跳开关跳出的故障已经排除，确认后才能闭合
D. 检查是否有合法的拔出标示牌；如果没有，先闭合该跳开关并对系统进行测试，以确认系统是否存在故障
【单选题】
当工作人员看到驾驶舱头顶板35VU电源面板上“EXTPWR”按钮电门上的“AVAIL”标示燃亮，这表明：___
A. 地面电源已经连接到飞机电网
B. 地面电源已经连接好
C. 地面电源不可用
D. 地面电源已经连接到勤务汇流条
【单选题】
当工作人员连接地面电源电缆到外电源插座后，电源插座托架上琥珀色的“EXTPWR/AVAIL”灯及白色的“EXT/PWRNOTINUSE”灯燃亮，这表明：___
A. 外部电源质量良好，但电源并没有连接到飞机电网上
B. 外部电源质量有缺陷，但电源并没有连接到飞机电网上
C. 外部电源质量良好，但电源已经连接到飞机电网上
D. 外部电源电缆未正确连接到飞机外电源插座上
【单选题】
电源分配系统中，电路跳开关（断路器）端头的颜色分有几种，其区别是：___
A. 1种：黑色。没有不同点
B. 2种：黑色和绿色。黑色是正常构型，绿色包含有连接到SDAC的辅助线路
C. 3种：黑色、绿色、黄色。黑色是正常构型，绿色包含有连接到SDAC的辅助线路，黄色表示处于同一系统的电路上
D. 4种：黑色、绿色、黄色、红色。黑色是正常构型，绿色包含有连接到SDAC的辅助线路，黄色表示处于同一系统的电路上，红色表明为重要系统的电路跳开关
【单选题】
电源分配系统中，某些电路跳开关头部有明显的黄色标示圈，其功用是：___
A. 标识标志，表明这些跳开关与SDAC有直接的线路联系
B. 标识标志，表明这些跳开关属飞机重要的操作系统
C. 警告标志，说明这些跳开关不允许断开
D. 帮助工作人员在跳开关面板上更容易的发现这些跳开关
【单选题】
电源分配系统中，有些处于闭合状态下的电路跳开关（断路器）头部套有红色的衬套，其功用是：___
A. 相关电路条开关处于MEL放行的构型状态下
B. 避免这些电路跳开关在空中被机组复位，以确保飞行安全
C. 同一系统的电路跳开关标识，帮助辨认和查找
D. 重要系统的电路跳开关，在通电状态下禁止拔开
【单选题】
电源系统维护中，能否在地面状态下脱开发动机上的IDG（内部脱开与发动机附件齿轮箱的连接）？___
A. 可以在地面任何情况下通过按压相应IDG电门完成脱开工作
B. 在地面且发动机必须运转的情况下，可通过按压相应IDG电门来完成脱开工作
C. 必须将飞机模拟到控制状态后，通过按压相应的IDG电门完成脱开工作
D. 必须将飞机模拟到控制状态后且发动机运转的情况下，通过按压相应的IDG电门完成脱开工作
【单选题】
电源系统中，APU发电机的输出电源性能：___
A. 115V/200V、三相、400HZ
B. 220V/380V、三相、400HZ
C. 115V/200V、单相、400HZ
D. 115V/200V、三相、50HZ
【单选题】
电源系统中，IDG（整体驱动发电机）脱开电门安装在：___
A. 驾驶舱49VU（头顶跳开关面板）
B. 驾驶舱120VU（后跳开关面板）
C. 前登机门过道头顶2000VU（跳开关面板）
D. 驾驶舱20VU（头顶控制面板），并有红色保护盖保护
【单选题】
电源系统中，共有两台EGIU（ElectricalGenerationInterfaceUnit）它门被安装在：___
A. 驾驶舱120VU面板（后跳开关面板）
B. 电子设备舱90VU设备架上
C. 前登机过道顶部的2000VU面板上
D. 后登机过道顶部的2001VU面板上
【单选题】
电源系统中，静变流机的作用是：___
A. 将BAT1的直流电转换为115V、400HZ交流电
B. 将BAT1的直流电转换为220V、50HZ交流电
C. 将115V的交流电转换为28V直流电
D. 将220V的交流电转换为28V直流电
【单选题】
电源系统中，每台发动机均附带一台整体驱动发电机（IDG），IDG位于发动机的：___
A. 发动机左侧，风扇包皮内
B. 发动机右侧，风扇包皮内
C. 发动机左侧，核心机匣内
D. 发动机右侧，核心机匣内
【单选题】
电源系统中，外电源的接通是通过：___
A. 操作驾驶舱头顶ELEC面板上的“EXTPWR”电门，由GCU1控制接通外部电源
B. 操作驾驶舱头顶ELEC面板上的“EXTPWR”电门，由GCU2控制接通外部电源
C. 操作驾驶舱头顶ELEC面板上的“EXTPWR”电门，由GPCU控制接通外部电源
D. 操作前登机过道顶部的2000VU面板上的“MAINTBUS”电门，由GPCU控制接通外部电源
【单选题】
电源系统中发电机控制器（GCU）的主要功能包括：___
A. 通过励磁电流控制发电电压的产生
B. 通过控制GLC（发电机电路接触器）和发电机励磁电流来保护发电机
C. 提供系统自检功能，发送关联的警告
D. A、B、C均是GCU主要功能
【单选题】
电源系统中辅助电源来自APU发电机，其作用是：___
A. 在飞行中替换一个或两个失效的发动机GEN向飞机供电；在地面状态下替换不可用的地面电源向飞机供电
B. 在飞行中仅替换一个失效的发动机GEN向飞机供电；在地面状态下替换不可用的地面电源向飞机供电
C. 在飞行中和发动机GEN共同向飞机供电；在地面状态下替换不可用的地面电源向飞机供电
D. 在飞行中和发动机GEN共同向飞机供电；在地面与地面电源共同向飞机供电
【单选题】
飞机电源系统向厨房提供电能，其控制是通过：___
A. 通过驾驶舱头顶板35VUELEC面板上的“GALLEY”（部分构型为：GALY&CAB）按钮电门来控制
B. 通过驾驶舱头顶板35VUELEC面板上的“GEN1”按钮电门，通过GCU1进行控制
C. 通过驾驶舱头顶板35VUELEC面板上的“GEN2”按钮电门，通过GCU2进行控制
D. 通过驾驶舱头顶板35VUELEC面板上的“APUGEN”按钮电门，通过APUGCU进行控制
【单选题】
飞机在地面的状况下，飞机的主电源来源可能是：___
A. 左、右发电机
B. 左、右发电机；APU发电机
C. 左、右发电机；APU发电机；地面外电源
D. 左、右发电机；地面外电源
【单选题】
关于GCU维护测试的描述，正确的是：___
A. 只能在地面状态下，并且IDG已经停止工作
B. 可以在任何状态下，但IDG已经停止工作
C. 只能在地面，但允许IDG处于任何状态
D. 系统在任何状态下均允许进行GCU的维护测试
【单选题】
驾驶舱20VU（头顶控制面板）中电源控制面板上用红色保护盖保护的左右IDG（整体驱动发电机）电门，其功用是：___
A. 接通电门，使相应的发电机开始工作
B. 接通电门，使相应的发电机向飞机提供电源
C. 接通电门，使得相应的发电机衔接到发动机上，并开始发电
D. 在故障情况下，用来脱开相应发动机IDG
【单选题】
驾驶舱内分布有哪些重要的电路跳开关面板？___
A. 49VU；105VU
B. 120VU；106VU
C. 105VU；106VU；2000VU
D. 49VU；120VU
【单选题】
驾驶舱头顶板35VUELEC面板上的两个液晶式电压表用来指示：___
A. 两台主发电机输出电压
B. TR1及TR2的输出电压
C. APU发电机及CSM/G（应急马达发电机）输出电压
D. BAT1和BAT2的电压
【单选题】
控制操作地面勤务汇流条的“MAINTBUS”电门位于：___
A. 驾驶舱49VU面板（头顶跳开关面板）
B. 驾驶舱20VU面板（头顶控制面板）
C. 驾驶舱120VU面板（后跳开关面板）
D. 前登机过道顶部的2000VU面板
【单选题】
外部电源通过飞机上的外电源插座，向飞机提供：___
A. 单相、400HZ、115/200V交流电源
B. 三相、400HZ、115/200V交流电源
C. 单相、400HZ、220/380V交流电源
D. 三相、400HZ、220/380V交流电源
【单选题】
下ECAM的“ELEC”页面上右发电机概况图下面显示的“IDG2110℃”字符表示：___
A. IDG滑油进口温度达到110℃
B. IDG滑油温升达到110℃
C. IDG滑油出口温度达到110℃
D. IDG滑油冷却器出口温度达到110℃
【单选题】
用红色护盖保护的应急马达发电机（CSM/G）电门，安装在：___
A. 前登机门过道头顶2000VU（跳开关面板）
B. 驾驶舱20VU（头顶控制面板）
C. 驾驶舱120VU（后跳开关面板）
D. 驾驶舱49VU（头顶跳开关面板）
【单选题】
在安装外电源电缆接头到外电源插座的时候，应当注意：1）连接前确认外电源电缆未有电源连接；2）外电源电缆接头和外电源插座状况良好；3）连接好后应当将电缆保持皮带挂好，防止电缆接头松脱___
A. 1和3
B. 1和2
C. 2和3
D. 1、2、3
【单选题】
在电源系统维护作业中，如果需要更换电路上的电路接触器或电路跳开关，正常的安全程序是：___
A. 无须切断飞机电源，但要拔掉电路跳开关并小心更换
B. 对于115V高电压电路，必须切断电源；对于28V电压电路，无须切断电源，小心更换即可
C. 切断飞机电源，小心更换
D. 必须切断飞机电源，对于热电瓶汇流条电路，还必须切断电瓶电源
