【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.
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答案
D
解析
暂无解析
相关试题
【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
【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
A. 对
B. 错
【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.
A. 对
B. 错
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C. 熟悉正确接线方式
D. 掌握测量的安全措施
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下面对砍剪树木应注意的安全事项正确的是___
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B. 上树时,不应攀抓脆弱和枯死的树枝,并使用安全带
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带电更换耐张绝缘子选择后备保护绳应考虑___。
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B. 机械性能良好
C. 耐高温性能良好
D. 长度合适
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工作负责人张xx对斗内电工李xx的作业行为全程进行监护,关于带电作业监护,下列说法正确的是___。
A. 监护人不得直接操作
B. 监护的范围不得超过一个作业点
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D. 带电作业应有人监护
【多选题】
配电线路带电作业前,对绝缘斗臂车安装接地装置,安装的要求有___。
A. 车体连接装置应保证接地导线能与车体的金属部分有效接触。
B. 接地导线必须采用16 mm²及以上截面的多股软铜线。
C. 接地线与接地体应有效连接。
D. 临时接地时,接地棒的埋深不得小于0.3m。
【多选题】
绝缘斗臂车使用前应在预定位置空斗试操作一次,确认___系统工作正常、操作灵活、制动装置可靠。
A. 液压传动
B. 回转
C. 升降
D. 伸缩
【多选题】
斗内电工穿戴绝缘防护用具并经工作负责人检查合格后才进行绝缘斗,绝缘防护用具应包括:___。
A. 绝缘服或绝缘披肩、绝缘袖套
B. 绝缘手套、绝缘鞋
C. 绝缘安全帽
D. 绝缘梯
【多选题】
作业人员在接近带电体前应对___进行验电。
A. 导线
B. 绝缘子串
C. 横担
D. 电杆
【多选题】
带电更换耐张绝缘子作业,绝缘子安装的注意事项有___。
A. 更换前对新绝缘子外观进行检查并擦拭
B. 更换前测试新绝缘子的绝缘电阻是否满足相应电压等级的要求
C. 更换后,检查绝缘子是否安装完好
D. 绝缘子锁紧销穿向正确
【多选题】
配电线路带电作业中,作业人员应采取___的技术措施保证作业安全。
A. 保持足够空气距离
B. 停用重合闸
C. 穿戴合格防护用具
D. 使用合格作业工器具
【多选题】
绝缘工具做日常维护保养,正确的做法是___。
A. 对于受潮的绝缘工具,应进行烘烤去潮
B. 脏污工具应去污后做绝缘处理
C. 表面损伤的绝缘工具应磨光后做绝缘处理
D. 损伤的工具及时处理并经试验合格后方可使用
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斗内电工李xx在完成绝缘子串的绝缘遮蔽措施后,工作负责人发现天气发生突变,乌云密布,马上即将下暴雨,应___。
A. 立即停止工作
B. 撤离人员
C. 报告上级
D. 立即与值班调控人员或运维人员取得联系
【多选题】
配电线路带电作业中,作业人员应采取___的技术措施保证作业安全。
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B. 停用重合闸
C. 穿戴合格防护用具
D. 使用合格作业工器具
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配电线路带电作业前,工作负责张XX对工作班成员李XX安装绝缘斗臂车接地装置的要求有___。
A. 车体连接装置应保证接地导线能与车体的金属部分有效接触
B. 接地导线必须采用25㎜²及以上截面的多股软铜线
C. 接地线与接地体应有效连接
D. 临时接地时,接地棒的埋深不得小于0.6m
【多选题】
带负荷更换柱上开关作业时,在其两侧同时同步安装绝缘引流线进行短接,是为了避免___。
A. 避免接错相次造成相间短路事故
B. 带电移动绝缘引流线过程中失去控制引发事故
C. 挂接绝缘引流线时引流线夹与主导线间负荷电流拉弧
D. 柱上开关意外断开时带负荷接绝缘引流线
【多选题】
在带电作业过程中,工作负责人考虑作业人员承受的电压包括___。
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B. 大气过电压
C. 操作过电压
D. 暂时过电压
【多选题】
绝缘手套作业法带负荷更换柱上开关作业中,新开关在现场安装前工作负责人应进行___和测量绝缘电阻。
A. 外观检查
B. 检查设备合格证书和试验合格证明
C. 开关试操作
D. 交流耐压试验
【多选题】
柱上开关运行时常见的缺陷有___。
A. 操作机构失灵
B. 接线柱烧损
C. 零部件脱落、损坏
D. 真空度下降或SF6气体压力下降
【多选题】
绝缘斗臂车小吊载荷能力与___等有关。
A. 绝缘斗内载荷大小
B. 小吊臂与水平面的角度大小
C. 水平支腿的伸出长度
D. 整车水平度
【多选题】
带负荷更换柱上开关,常用绝缘引流线或由___组成的回路进行负荷转移。
A. 旁路高压引下电缆
B. 旁路负荷开关
C. 带电作业用消弧开关
D. 旁路柔性电缆中间连接器
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工作负责人检查斗内电工穿戴绝缘防护用具合格后才进入绝缘斗,绝缘防护用具应包括:___。
A. 绝缘服或绝缘披肩、绝缘袖套
B. 绝缘手套、绝缘鞋
C. 绝缘安全帽
D. 绝缘梯
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可避免带电移动负荷转移回路引流线时,失去控制引发事故1. 工作负责人张xx编写带电组立电杆的作业指导书应着重做好以下内容___:
A. 根据杆塔形式、现场环境确定带电组立电杆的作业方法
B. 根据作业内容和班组人员实际情况,合理安排工作负责人和工作班成员,保证作业人员充足,并明确其工作职责
C. 根据作业内容配备工器具、材料。工器具、材料与现场设备相符且满足规程要求。
D. 针对现场实际情况和作业方法进行危险点分析,制订相应的防范措施,危险点分析要考虑作业全过程,防范措施要体现对设备及人员行为的全过程预控。
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工作负责人检查斗内电工穿戴绝缘防护用具合格后才进入绝缘斗,绝缘防护用具应包括:___。
A. 绝缘服或绝缘披肩、绝缘袖套
B. 绝缘手套、绝缘鞋
C. 绝缘安全帽
D. 绝缘梯
【多选题】
在带电作业过程中,工作负责人考虑作业人员承受的电压包括___。
A. 正常工作电压
B. 大气过电压
C. 操作过电压
D. 暂时过电压
【多选题】
带电立杆作业,起重设备操作人员应___。
A. 在起重作业中不得离开操作位置
B. 服从现场工作负责人的指挥
C. 纳入工作票作业人员
D. 具有起重特种作业资格
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带电立杆作业,地面电工发生接触电压和跨步电压触电的预控措施有___。
A. 杆顶和导线设置绝缘遮蔽措施
B. 吊车金属臂与带电体保持足够安全距离
C. 电杆杆根、吊车接地
D. 地面电工穿戴绝缘手套和绝缘靴
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带电组立电杆工作,用于控制带电导线的绝缘绳索应考虑___。
A. 绝缘性能良好
B. 机械性能良好
C. 耐高温性能良好
D. 长度合适
【多选题】
带电立杆时,为防止地面作业人员受到重物打击,工作负责人应注意的事项有___。
A. 吊车起重臂下方严禁站人。
B. 绝缘斗臂车绝缘斗内作业人员可能的坠落范围内严禁站人。
C. 绝缘斗臂车绝缘臂下方严禁站人。
D. 电杆下方严禁站人。
【多选题】
带电立杆作业,在直线电杆起立后,以下关于固定绝缘导线的工艺要求正确的有___。
A. 采用顶槽绑扎法
B. 使用芯线截面积不小于2.5㎜的单股塑铜线
C. 绝缘线与绝缘子接触部位缠绕的自粘带应超出绑扎部位两侧各30mm
D. 采用边槽绑扎法
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斗内电工赵xx在完成三相导线的绝缘遮蔽措施后,工作负责人张xx发现天气发生突变,乌云密布,马上即将下暴雨,应___。
A. 立即停止工作
B. 撤离人员
C. 报告上级
D. 立即与值班调控人员或运维人员取得联系
【判断题】
在10kV明清街线北门#4台区支线#0-#9杆更换导线工作中,#1杆无需打临时拉线。
A. 对
B. 错
【判断题】
若在此项工作中,#2-#3杆放线时新导线与跨越10kV线路接触地方时,可不采取任何安全措施,直接从该线上拖拽。
A. 对
B. 错
【判断题】
使用工作任务单时,工作票的工作班组成员栏内,可只填写各工作任务单的小组负责人姓名。工作任务单上应填写各工作任务单的工作班成员姓名。
A. 对
B. 错
【判断题】
在更换#0—#9导线进行牵引时,在确认杆根、拉线牢固、完好的前提下,可以用工程车进行缓慢牵引。
A. 对
B. 错