【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
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答案
C
解析
暂无解析
相关试题
【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
【判断题】
5)Bioavailability of a drug indicates whether a therapeutically effective concentration is achieved at the site(s)of action of that drug.
A. 对
B. 错
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______是无人机完成起飞、空中飞行、执行任务、返场回收等整个飞行过程的核心系统,对无人机实现全权控制与管理,因此该子系统之于无人机相当于驾驶员之于有人机,是无人机执行任务的关键。___
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______与无人机控制站的功能类似,但只能控制无人机的机载任务设备,不能进行无人机的飞行控制。___
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A. 陀螺控制
B. 指令控制
C. 载荷控制
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无人的发动机采用重力供油系统但装有增压泵,主要是为了:___
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B. 保证大速度巡航的用油
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无人机燃油箱通气的目的之一是:___
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B. 保证向发动机正常供油
C. 通气减小供油流量
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C. 寒冷天气第一次起动时
【单选题】
二冲程活塞汽油发动机应使用何种润滑油:___
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B. 4T机油
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中华人民共和国境内的飞行管制:___
A. 由国务院、中央军委空中管制委员会统一组织实施,各有关飞行管制部门按照各自的职责分工提供空中交通管制服务
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A. 飞行器运动坐标轴
B. 舵机轴
C. 旋翼轴
【单选题】
多轴飞行器难以完成以下哪种工作: ___
A. 测绘
B. 直播
C. 超远距离监控
【单选题】
下列属于多旋翼典型应用的是:___
A. 航拍、电影取景
B. 侦打一体化
C. 高空长航时侦查
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无人机系统的机长是指:___
A. 协助操控无人机的人
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C. 操控无人机的人
【单选题】
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C. 航路飞行管制区,空域飞行管制区,机场飞行管制区
【单选题】
多旋翼飞行器悬停时的平衡不包括___
A. 前飞废阻力平衡
B. 俯仰平衡
C. 方向平衡
【单选题】
经测试,某多轴飞行器稳定飞行时,动力电池的持续输出电流为5A,该多轴可选:___
A. 10A的电调
B. 15A的电调
C. 5A的电调
【单选题】
在高海拔地区,多旋翼较难离地时,最有效的应对措施是:___
A. 更换大桨
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【单选题】
X模式4轴飞行器从悬停转换到前进,哪两个轴需要加速:___
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B. 左侧两轴
C. 后方两轴
【单选题】
在升高与下降过程中,直升机与多旋翼表述正确的是:___
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无刷电机与有刷电机的区别是:___
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【单选题】
飞行人员未按照中华人民共和国基本规则规定履行职责的,由相关部门依法给予行政处分或纪律处分______,情节严重的依法给予吊销执照或合格证的处罚,或者勒令停飞_________
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B. 一至六个月,一至三个月
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民用无人驾驶航空器系统视距外驾驶员合格证申请人必须在民用无人驾驶航空器系统上训练不少于______小时的飞行训练时间:___
A. 44
B. 56
C. 100
【单选题】
某多轴飞行器的动力电池标有22.2V,它是:___
A. 22、2S锂电池
B. 6S锂电池
C. 3S锂电池
【单选题】
航空器进行空域飞行时,应当按照规定的______进入空域或者脱离空域 ___
A. 航线(航向)、高度、次序
B. 航线(航向)、高度
C. 航线(航向)、高度、次序和进出点
【单选题】
多旋翼飞行器动力装置多为电动系统的最主要原因是:___
A. 电动系统形式简单且电机速度响应快
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【单选题】
关于多旋翼的反扭矩说法不正确的是:___
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旋翼飞行器在停机坪上起飞和着陆时,距离其它航空器或者障碍物的水平距离不少于:___
A. 25米
B. 10米
C. 20米
【单选题】
一般来讲,多旋翼飞行器在地面风速大于______级时作业,会对飞行器安全和拍摄稳定有影响 ___
A. 6级
B. 4级
C. 2级
【单选题】
《中华人民共和国航空法》①为了维护国家的航空主权和民用航空权利②保障民航的安全和有序的进行③保护民用航空活动当事人的合法权益④促进民航事业的发展___
A. ①②③
B. ①②③④
C. ③④
【单选题】
对于多旋翼飞行器动力电源充电,以下哪种方式是错误的:___
A. 聚合物锂电池单体充至4.6V满电
B. 磷酸铁锂电池单体充电至3.6V满电
C. 聚合物锂电池单体充至4.2V满电