首页
登录
职称英语
[originaltext]In order for a chemical to be considered a drug, it must have the
[originaltext]In order for a chemical to be considered a drug, it must have the
游客
2024-04-01
63
管理
问题
In order for a chemical to be considered a drug, it must have the capacity to affect how the body works. No substance that has the power to do this is completely safe. [20] Drugs are approved only after tests have demonstrated that they are relatively safe when used as directed and when their benefits outweigh their risks. Thus some very dangerous drugs are approved because they are necessary to treat serious illnesses. [21] Many people suffer ill-effects from drugs called side-effects even though they take the drugs exactly as directed. The human population contains a great variety of genetic variation. But drugs are tested on just a few thousand people. When a particular drug is taken by millions, some people may not respond in a predictable way even though the drug has been tested. [22] A patient may also acquire a tolerance for a certain drug, which means the patient has to take ever-larger doses to produce the desired effects. Tolerance may lead to heavy situation, in which a person becomes so dependent on the drug that he or she becomes addicted to it. Addiction causes severe psychological and physical disturbances when a drug is taken away. Finally, drugs often have unwanted side-effects. They usually cause only minor discomfort, such as a skin rash, headache or sleepiness. Certain drugs, however, can produce serious adversary actions.
20.Under what circumstances are drugs approved?
21.Why do many people suffer side-effects from a drug even though they take it as directed?
22.What will happen when patients acquire a tolerance for a certain drug?
选项
A、If they don’t involve any risks.
B、If they produce predictable side effects.
C、When the urgent need for them arises.
D、When tests show that they are relatively safe.
答案
D
解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/3536575.html
相关试题推荐
[originaltext]W:Goodmorning,class.TodayIthoughtwewouldtalkaboutsomet
[originaltext]Objectsthatarevibratingmakesounds.Rhythmicsoundvibrations
[originaltext]Objectsthatarevibratingmakesounds.Rhythmicsoundvibrations
[originaltext]Inorderforachemicaltobeconsideredadrug,itmusthavethe
[originaltext]Inorderforachemicaltobeconsideredadrug,itmusthavethe
[originaltext]Hi,everybody.AsIsaidinmyStateoftheUnionaddress,weliv
[originaltext]Hi,everybody.AsIsaidinmyStateoftheUnionaddress,weliv
[originaltext]IntheUnitedStates,manypeopleoncelivedinlarge,two-and-th
[originaltext]Easterisamixofthreetraditions:Pagan,HebrewandChristian.
[originaltext]Easterisamixofthreetraditions:Pagan,HebrewandChristian.
随机试题
()欢迎登机()不收门票[br]()生命危险,严禁入内()免费P、M
以下哪项是审计委员会的恰当职责?()A.对组织的采购职能进行审核 B.审核
A.藤茎B.茎髓C.含有树脂的木材D.心材E.茎枝苏木的入药部位是
由于房地产具有()的特征,存量房市场极容易出现投机。A.寿命长久 B.供给
临床主要用于治疗肺结核的抗生素是A:阿莫西林 B:利福平 C:阿米卡星 D
以下关于急性肾衰竭的护理措施叙述错误的是A.控制液体的入量,坚持“量入为出”
A. B. C. D.
下列不是影响房地产供给量的经常起作用的因素的是()。A:房地产的价格水平 B:
保洁员王某先与甲公司以口头协议订立了非全日制用工合同,每天工作2小时。为了增加收
下列检查对于明确非小细胞肺癌(NSCLC)的分期意义不大的是A.腹部B超 B.
最新回复
(
0
)