【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
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答案
B
解析
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相关试题
【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
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【判断题】
(5)A drug is said to be useful in therapy if it has the ability to produce its desired effects with only tolerable undesired effects.
A. 对
B. 错
【判断题】
(6)Toxicology deals not only with drugs used in therapy but also with many other chemicals that may be responsible for household, environmental, or industrial intoxication.
A. 对
B. 错
【判断题】
1)With the more efficient screening tests and burgeoning knowledge about how a molecules biological activities are likely to be changed, the traditional approach of discovering new drugs has been improved.
A. 对
B. 错
【判断题】
2)With the parallel synthesis used to identify which small segment of any given large protein would bind to an antibody, Mario Geysen generated a variety of short protein fragments by combining multiple amino acids in different permutations.
A. 对
B. 错
【判断题】
)A parallel synthesis and a split-and-mix synthesis are different in that in a split-and-mix synthesis, all the products are assembled separately n their respective reaction vessels.
A. 对
B. 错
【判断题】
4) In many laboratories, robots are used in the routine work of parallel synthesis to deliver small amounts of reactive molecules into appropriate wells, thus making the process more accurate and less tedious.
A. 对
B. 错
【判断题】
5) In a parallel synthesis, each compound remains in its own container; while in a split-and-min synthesis, the related ce mpounds are mixed up in the same reaction vessel.
A. 对
B. 错
【判断题】
6)In order to solve the difficulties of identifying the compounds made in a parallel synthesis scientists pull out from the mixture the beads that bear biologically active molecules and determine the molecular makeup o d attached.
A. 对
B. 错
【判断题】
1)The concentration of a drug in whole plasma is the most accurate index of the drug concentration at the site(s) of action.
A. 对
B. 错
【判断题】
(2)It is difficult to measure the total concentration of both unbound and bound drug in total plasma.
A. 对
B. 错
【判断题】
(3)The clinical effect of a drug is assumed to be directly related to the plasma drug concentration.
A. 对
B. 错
【判断题】
(4) Systemically acting drugs administered by all routes involve the absorption of drug from the place of administration into the blood.
A. 对
B. 错
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【单选题】
气井和高压、高油气比井的共同特点是井口___。
A. 压力高、气量大
B. 压力低、气量大
C. 压力高、气量低
D. 压力低、气量低
【单选题】
初始循环压力是指压井修井液___的立管压力。
A. 刚开始泵入钻柱时
B. 进入钻柱过程中
C. 进入环空过程中
D. 返到地面时
【单选题】
终了循环压力是指压井修井液___的立管压力。
A. 进入管柱过程中
B. 进入环空过程中
C. 到达套管鞋处
D. 到达井底时
【多选题】
洗井作业施工设计中应该有___要求。
A. 地面管线安装、固定、试压
B. 采油树使用、保养
C. 防火、防爆、防污染
D. 防盗
【多选题】
洗井施工前作业队应做好___工作。
A. 按设计要求储备足够洗井液
B. 按洗井方式连接地面流程并固定、试压合格
C. 装好采油树或作业井口
D. 做好防污染工作
【多选题】
井下作业施工前,作业队应做的工作有___。
A. 向全队职工进行地质、工程和井下等方面的技术措施交底
B. 并明确班组各岗位分工
C. 对施工现场的井控装备、配备的防喷工具进行检查,使之处于完好状态
D. 按设计要求备足修井液
【多选题】
洗井施工中为防止井喷的发生应做的工作有___。
A. 按施工设计的管柱结构要求,将洗井管柱下至预定深度
B. 地面管线试压至设计施工泵压的1.5倍,经5min后不刺不漏为合格
C. 洗井时要注意观察泵压变化,泵压不能超过油层漏失压力
D. 严重漏失井采用有效堵漏措施后,再进行洗井施工
【多选题】
洗井施工中发生溢流的表现有___。
A. 出口密度降低
B. 泵压下降
C. 出口排量增加
D. 泵压增高
【多选题】
洗井时泵压低于正常泵压,出口很快与进口液性一致,分析原因有___。
A. 油管挂密封胶圈损坏
B. 上部油管有破损
C. 靠近井口油管脱落
D. 采油树闸门损坏
【多选题】
起下管柱作业应按以下要求执行___。
A. 在起下封隔器等大直径工具时,应控制起下钻速度,防止产生抽汲或压力激动
B. 在起管柱过程中,应及时向井内补灌压井液,保持液柱压力平衡
C. 起下管柱作业出现溢流时,可以观察情况,根据情况决定什么时候关井
D. 起下管柱过程中,要有防止井内管柱顶出的措施,以免增加井喷处理难度
【多选题】
施工设计的井控要求中,制定具体的预防和应急措施,应包括但不限于___、防喷器的规格、组合及示意图、四种作业工况时,应有具体的井控预防措施等内容。
A. 压井液要求
B. 井架高度
C. 井控装置的现场安装、调试与试压要求等
D. 发生溢流时的关井方法的确定
【多选题】
井下作业的地质设计、工程设计、施工设计中必须有相应的井控要求或明确的井控设计,主要包括:满足井控安全的各种资料数据,___、符合部颁标准的井控装备系统、有关法规及应急计划等。
A. 施工前准备工作
B. 合理的井场布置
C. 适合地层特性的修井液类型
D. 合理的修井液密度
【多选题】
检泵作业施工工序主要有___和下泵等。
A. 压井
B. 起抽油杆
C. 安装防喷器并试压
D. 起泵
【多选题】
对于施工井场布置的相关要求,以下说法正确的是___。
A. 作业井施工现场的电路布置、设备安装等都要确保作业正常施工
B. 工具房、值班房、爬犁等摆放整齐距井口和易燃物品的距离不得小于25m
C. 上岗人员懂防火知识,可以不用定期检查保养消防器材
D. 照明灯采用防爆低压安全探照灯或防爆探照灯,距井口不少于10m
【多选题】
起下管柱操作时应做好的防喷措施有___。
A. 防喷器、远程控制台和井控管汇的安装、试压要符合相关规定
B. 中途停工必须装好井口或关闭防喷装置
C. 起下作业前,在井口附近应准备好简易防喷工具或防喷单根
D. 允许边喷边作业,起完管柱应立即关闭防喷装置
【多选题】
起下作业前,在井口附近应准备好___等防喷工具。
A. 简易防喷工具
B. 管钳
C. 提升短节
D. 防喷单根
【多选题】
井喷(井喷失控)应急处置内容包括:___。
A. 关防喷器控制井口,防止事态扩大,根据实际关井压力组织压井
B. 组织有关人员检测有无有毒有害气体,划分安全区域,设立警戒线
C. 准备好相应的正压式空气呼吸器
D. 必要时通知周边居民、厂矿、学校人员做好疏散工作
【多选题】
带压作业过程中必须做到:___。
A. 井口装置、井下管柱结构及地面设施必须具备不压井、不放喷及应变抢救作业的各种条件
B. 作业施工前应接好放喷平衡管线
C. 不压井井口控制装置要求动作灵活、密封性能好、连接牢固、试压合格,并有性能可靠的安全卡瓦
D. 起下管柱过程中,随时观察井口压力及管柱变化。当超过安全工作压力或发现管柱自动上顶时,应及时采取加压及其他有效措施
【多选题】
带压作业发生井喷有___等原因。
A. 堵塞器失灵
B. 液压管线刺漏,防喷器不正常工作
C. 放压凡尔密封失效
D. 防喷器关闭压力设置不
【多选题】
带压作业在起下油管过程中,如环形防喷器不能有效密封,出现刺漏时___。
A. 视井内情况可以继续作业
B. 抢装旋塞阀,关闭旋塞阀
C. 关闭安全防喷器半封闸板,并手动锁紧
D. 及时更换环形防喷器胶芯
【多选题】
冲砂作业井口必须安装___,冲砂单根安装旋塞阀。
A. 闸板防喷器
B. 针型阀
C. 自封封井器
D. 单流阀
【多选题】
冲砂施工中应做好的防喷工作有___。
A. 冲砂作业要使用符合设计要求的压井液进行施工
B. 按工程设计安装好防喷器,防喷器的试压
C. 当探砂面管柱不具备冲砂条件时,可以用探砂面管柱直接冲砂
D. 施工中井口应坐好自封封井器和防喷器
【多选题】
出现___等情况时,要停止冲砂作业。
A. 轻微漏失
B. 溢流
C. 严重漏失
D. 设备故障
【多选题】
打捞作业前,要了解施工井生产情况,包括产液量、含水、油气比、___等资料,了解施工井与周围注水井的连通情况以及气井及其相关参数等。
A. 油压
B. 套压
C. 静压
D. 目前地层压力系数
【判断题】
打捞施工前应按规定对地面管线进行固定和试压合格。
A. 对
B. 错
【判断题】
打捞作业中发生井喷关井后,应立即上报并按要求进行组织压井。
A. 对
B. 错
【判断题】
特殊井、异常高压井和高含硫化氢等有毒有害气体的井,可以在夜间进行诱喷作业。
A. 对
B. 错
【判断题】
井筒中钻柱内外压井液密度不一致,钻柱内压井液密度比环空压井液密度高时,停泵压井液也会外溢
A. 对
B. 错
【判断题】
气举施工只要有严密可靠的井控措施,就可采用气举法诱喷。
A. 对
B. 错
【判断题】
压井施工停泵后,发现外溢或有喷势,应进行再次压井。
A. 对
B. 错
【判断题】
采用反洗井时,油管挂坐入油管头后对角上紧两个顶丝即可。
A. 对
B. 错
【判断题】
洗井作业根据设计要求可采用正洗井、反洗井或正、反洗井交替方式进行。
A. 对
B. 错
【判断题】
含气井可以采用循环洗井方式,进出口在井口同一侧便于观察。
A. 对
B. 错
【判断题】
洗井过程中发生闸门刺漏应立即停止洗井作业。
A. 对
B. 错
【判断题】
洗井发生井喷关井后可以用普通手电到出口罐观察返出液情况。
A. 对
B. 错
【判断题】
洗井过程中发生井喷应立即上报,采取有效压井措施后方可进行下步工作。
A. 对
B. 错
【判断题】
起下作业前,在井口附近应准备好简易防喷工具或防喷单根等。
A. 对
B. 错
【判断题】
施工前,作业队应向全队职工进行地质、工程和井下等方面的技术措施交底,并明确班组各岗位分工。
A. 对
B. 错
【判断题】
井场周围要有明显的防火、防爆标志。按规定配置齐全消防器材,并安放在季节风的下风方向。
A. 对
B. 错
【判断题】
起钻时发生溢流的显示是:灌入井内的压井液量大于从井内起出钻具的体积。
A. 对
B. 错