【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
查看试卷，进入试卷练习
微信扫一扫，开始刷题
答案
D
解析
暂无解析
相关试题
【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
【判断题】
(6)Prodrugs are not therapeutically effective unless they are changed into therapeutically active forms before or after reaching the systemic circulation
A. 对
B. 错
【单选题】
（3）生物圈的范围为___
A. 大气圈、水圈和岩石圈的全部
B. 大气圈和水圈的全部、岩石圈的上部
C. 大气圈的底部、水圈和岩石圈的全部
D. 大气圈的底部、水圈的全部和岩石圈的上部
【单选题】
（8）地球的表面积约为5.1亿平方千米，表面起伏不平，凸出来的地方成为陆地和山脉，而大片大片下凹的部分经过亿万年的积累，被液态海水所淹没而变成了海洋，海洋面积占地球表面积的近___。
A. 2％
B. 51%
C. 71%
D. 91%
推荐试题
【单选题】
滑膜关节的基本结构包括：___
A. 关节面、关节囊、关节内韧带
B. 关节面、关节囊、关节内软骨
C. 关节面、关节囊、关节腔
D. 关节面、关节腔、关节盘
E. 关节面、关节腔、关节唇
【单选题】
对腭的描述，错误的是___
A. 腭是口腔的顶，分隔鼻腔与口腔
B. 前2/3为硬腭，后1/3为软腭
C. 软腭的后缘游离
D. 软腭两侧的黏膜形成两对弓形皱襞
E. 腭咽弓在腭舌弓的前方
【单选题】
咽峡___
A. 由腭垂、腭帆的游离缘、两侧腭舌弓和舌根共同围成
B. 由腭垂、腭帆的游离缘、两侧腭咽弓和舌根共同围成
C. 由腭垂、腭帆的游离缘、两侧腭舌弓、腭咽弓和舌根共同围成
D. 由腭垂、腭帆的游离缘、两侧腭舌弓和腭咽弓共同围成
E. 由腭垂、两侧腭舌弓、腭咽弓和舌根共同围成
【单选题】
对颏舌肌描述正确的是___
A. 一侧收缩可使舌尖伸向同侧
B. 两侧同时收缩可使舌尖伸向上方
C. 一侧瘫痪，伸舌时舌尖偏向同侧
D. 一侧瘫痪时，无法伸舌
E. 属于舌内肌
【单选题】
关于咽，正确的是___
A. 咽下端平第5颈椎下缘
B. 鼻咽、口咽是消化道、呼吸道的共同通道
C. 鼻咽经咽鼓管与鼓室相通
D. 喉咽向前下方通食管
E. 梨状隐窝位于口咽
【单选题】
食管的描述正确的是___
A. 位于气管的前方下行
B. 上端在第6颈椎下缘处与咽相续
C. 下端在第12胸椎处接胃
D. 第2狭窄处距中切牙40cm
E. 根据行程分为颈部、胸部二段
【单选题】
关于食管，正确的是___
A. 可分为颈部和胸部两部分
B. 第1狭窄相当于第5颈椎下缘平面
C. 第2狭窄位于食管与左主支气管交叉处
D. 第3狭窄位于贲门
E. 食管下接幽门
