刷题
导入试题
【判断题】
LD50 是衡量药物毒性大小的标志,LD50 越大,药物的毒性越大
A. 对
B. 错
查看试卷,进入试卷练习
微信扫一扫,开始刷题
答案
B
解析
暂无解析
相关试题
【判断题】
对某药有过敏反应史的患者,当再次应用该药时,可减少剂量以避免过敏反应的发生
A. 对
B. 错
【判断题】
药物引起的过敏反应与药物的剂量和药理作用毫无关系
A. 对
B. 错
【判断题】
药物进入血液循环后,经过肝时被肝代谢失活而使药物在血中浓度降低称为首过消除
A. 对
B. 错
【判断题】
药物血浆半衰期是指药物效应下降一半所需要的时间
A. 对
B. 错
【判断题】
弱酸性药物急性中毒时,可静脉注射碳酸氢钠减化尿液,加速其排泄
A. 对
B. 错
【判断题】
某些药物久用作用减弱, 必须增加剂量才可维持原效,这称为习惯性
A. 对
B. 错
【判断题】
凡是能形成肝肠循环的药物,药物排泄慢,作用持续时间持久
A. 对
B. 错
【判断题】
药物的作用随剂量增加而增强,二者始终保持相应的关系
A. 对
B. 错
【判断题】
药物的LD50 /ED50 的比值越大,其安全性越小
A. 对
B. 错
【判断题】
药物与血浆蛋白结合率越高,则药物发生作用越慢,而维持时间越长
A. 对
B. 错
【判断题】
所有药物在肝被生物转化后,均要失去其药物活性
A. 对
B. 错
【判断题】
弱酸性药物在酸性尿中解离少,在肾小管中重吸收少,所以排泄快
A. 对
B. 错
【判断题】
常用量对大多数病人来说是安全有效的治疗剂量
A. 对
B. 错
【判断题】
由于药物的半衰期各有不同,因此,每日给药三次的方法并不是适用于所有药物
A. 对
B. 错
【判断题】
药物必须经过肝的生物转化后才能被排出体外
A. 对
B. 错
【判断题】
一般所讲的 “传出神经药” , 都是直接作用于传出神经的药物
A. 对
B. 错
【判断题】
传出神经药的主要作用是拟似或对抗传出神经递质的作用
A. 对
B. 错
【判断题】
烟碱既能与M受体结合又能和N受体结合
A. 对
B. 错
【判断题】
麻黄碱可促进去甲肾上腺素的释放
A. 对
B. 错
【判断题】
当药物直接或间接地激动胆碱受体时则呈现拟胆碱作用
A. 对
B. 错
【判断题】
新斯的明可直接激动胆碱受体
A. 对
B. 错
【判断题】
全身应用毛果芸香碱不良反应很多
A. 对
B. 错
【判断题】
M受体阻断药阿托品的作用并非都是阻断M受体所产生的
A. 对
B. 错
【判断题】
山莨菪碱能扩张血管,故可治疗脑血管痉挛、脑栓塞等,但脑出血急性期禁用
A. 对
B. 错
【判断题】
阿托品是常用的解痉药,对平滑肌痉挛及骨骼肌痉挛者皆适用
A. 对
B. 错
【判断题】
阻断交感神经节中胆碱受体的药物可以降血压
A. 对
B. 错
【判断题】
大剂量阿托品能收缩血管,升高血压,故可用于抢救感染性休克
A. 对
B. 错
【判断题】
用后马托品滴眼后,视力处于近视状态,视远物模糊不清
A. 对
B. 错
【判断题】
后马托品对眼的作用较弱而短暂,故青光眼患者也可使用
A. 对
B. 错
【判断题】
阿托品中毒时可用毛果芸香碱解救,也可用新斯的明解救
A. 对
B. 错
【判断题】
有机磷中毒时所用阿托品的剂量可以不受药典规定的极量所限制
A. 对
B. 错
【判断题】
氯丙嗪中毒引起血压下降,是阻断а受体所致,故可用激动а受体的肾上腺素纠正
A. 对
B. 错
【判断题】
应用扩张血管的药物治疗休克时,宜酌情补充血容量,否则血压可能下降
A. 对
B. 错
【判断题】
肾上腺素用药后可引起严重的心律失常,故禁用于心原性哮喘
A. 对
B. 错
【判断题】
肾上腺素与去甲肾上腺素均口服无效,但可皮下或肌内注射
A. 对
B. 错
【判断题】
应用缩血管药治疗休克时,勿用量过大,以免加重微循环障碍
A. 对
B. 错
【判断题】
对过敏性休克的治疗,只宜选用肾上腺素,不宜选用去甲肾上腺素,因后者只升压,不能改善心脏功能
A. 对
B. 错
【判断题】
酚妥拉明中毒引起的体位性低血压,可用肾上腺素抢救
A. 对
B. 错
【判断题】
β受体阻断药均无内在拟交感活性
A. 对
B. 错
【判断题】
酚妥拉明可扩张血管,故可治疗顽固性心衰
A. 对
B. 错
推荐试题
【单选题】
下列哪一项是人体正常水液的总称___
A. 体液
B. 阴液
C. 津液
D. 津
E. 液
【单选题】
津液化为汗液排出体外,主要依赖于什么作用___
A. 心主血脉
B. 肺主宣发
C. 肾主气化
D. 肝主疏泄
E. 脾主统摄
【单选题】
下列除哪一项外均是血液正常运行所必需的条件___
A. 血液充盈
B. 脉道通畅
C. 肺脾肾功能正着
D. 心气充沛
E. 三焦通利
【单选题】
气能生津的机理是___
A. 气为生津的物质基础
B. 气为生津的动力
C. 气为生津的物质基础和动力
D. 气能化生精气
E. 气能生血,血能化津
【单选题】
血和津液生成的共同物质来源是___
A. 水谷精微
B. 宗气
C. 精
D. 元气
E. 营气
【单选题】
昼行于阳,夜行于阴的气是___
A. 营气
B. 卫气
C. 元气
D. 宗气
E. 肾气
【单选题】
“夺血者无汗”的生理基础是___
A. 肝肾同源
B. 乙类同源
C. 津血同源
D. 精血同源
E. 以上均不是
【单选题】
Q1: What does the man suggest that the woman do this weekend?___
A. Read J .K .Rowling's first book .
B. Go to buy a new Harry Potter book .
C. Watch BBC news about J .K .Rowling .
D. Take her cousin to see a new Harry Potter  movie .
【单选题】
Q2: Where did J. K. Rowling come up with the idea for Harry Potter?___
A. At a cafe .
B. On a train .
C. At a cinema .
D. In a bookstore .
【单选题】
Q3: What are J. K. Rowling’s future plans?___
A. She won't write any more books .
B. She will write more magic stories .
C. She hasn't said anything about her future  plans .
D. She said she would work on more serious  subjects .
【单选题】
Q4: What are the two speakers mainly talking about?___
A. J.K. Rowling's secret .
B. J .K .Rowling's writing plan .
C. A new book by J .K.Rowling.
D. An interview with J .K .Rowling .
【单选题】
Q1: What happened when Stephen tried to remove a bottle of milk from the refrigerator?___
A. He broke the milk bottle .
B. He fell down on the floor .
C. He made a mess inside the refrigerator .
D. He spilled the milk over the kitchen floor .
【单选题】
Q2: What did Stephen’s mother do when she came into the kitchen?___
A. She gave him a long lecture .
B. She shouted at him in anger .
C. She enjoyed the wonderful mess .
D. She cleaned up the mess with him .
【单选题】
Q3: What did Stephen’s mother teach him later?___
A. How to do an experiment .
B. How to carry a milk bottle .
C. How to clean up spilled milk .
D. How to avoid making mistakes .
【单选题】
Q4: What did Stephen learn from this experience?___
A. Mistakes can become learning  opportunities .
B. Mistakes are just like scientific  experiments .
C. One should sometimes make mistakes .
D. One should try to avoid making mistakes .
【单选题】
Q1: Why is surfing the man’s favorite activity?___
A. Because he likes the sunny weather.
B. Because he wants to challenge himself .
C. Because it can help solve his sleeping problem .
D. Because it can help him forget all his  troubles .
【单选题】
Q2: What is the woman going to do this weekend?___
A. To go sailing .
B. To go surfing .
C. To go to the beach .
D. To go to her nephew's .
【单选题】
Q3: What does the woman love doing?___
A. Going to visit relatives.
B. Enjoying the warm sun on the beach .
C. Building sand castles with her niece and  nephew .
D. Playing in the sand and jumping in the  waves .
【单选题】
Q4: What does the man remember doing with his brothers?___
A. Surfing in the sea .
B. Collecting seashells .
C. Building sand castles .
D. Jumping in the waves .
【单选题】
Q1: According to the survey, what percentage of British adults watched TV in theirfree time?___
A. 89 percent .
B. 84 percent .
C. 76 percent .
D. 71 percent .
【单选题】
Q2: Which age group would be the most likely to visit their friends and relatives?___
A. People aged 16 to 24
B. People aged 25 to 34 .
C. People aged 16 and over .
D. People aged 55 and over .
【单选题】
Q3: What does the speaker say about listening to music as a leisure activity for British people?___
A. People aged 16 to 24 preferred listening to  music most .
B. It was getting more and more popular  among the British people .
C. It was the third most popular activity  among people aged 55 and over .
D. People aged 25 to 34 listened to music  more often than those aged 16 to 24 .
【单选题】
Q4: According to the survey, how are leisure activities related to age?___
A. Older people go out to pubs more often . frequently .
B. Younger people go to the cinema less frequently.
C. Older people spend more time reading and  gardening .
D. Younger people spend less time visiting  friends and family .
【单选题】
Q1: Why was the girl excited?___
A. She is going to have a lot of vanilla ice  cream .
B. She won the spelling competition at her  school .
C. She is going to the state capital for a  competition .
D. She "excellence"correctly,but others didn't .
【单选题】
Q2: What happened when the man was 13 years old?___
A. His family moved to Sacramento to settle  down .
B. His family bought him a new suit and a  new tie .
C. He went to Sacramento for a spelling  competition .
D. He won the first prize in the state spelling  competition .
【单选题】
Q3: Why did the man’s mom give him a big hug?___
A. To make him feel better after he lost the  first prize .
B. To apologize for not buying him some ice  cream .
C. To wish him good luck in the next  competition .
D. To congratulate him on winning the first  prize .
【单选题】
Q4: What color is the girl going to wear for her next competition?___
A. Red .
B. Blue .
C. Green .
D. Yellow .
【单选题】
Q1: What is this passage mainly about?___
A. Superstitions and science .
B. Tips on how to have good luck .
C. Superstitions in the United States .
D. Rational and superstitious societies .
【单选题】
Q2: According to the passage, what is considered as bad luck?___
A. Walking under a ladder .
B. Dreaming of a black cat .
C. Hanging a mirror in the house .
D. Stepping on one's own shadow .
【单选题】
Q3: Why is it considered bad luck to see a black cat crossing one’s path?___
A. Because black cats look like witches . e witches .
B. Because black cats were thought to be witches .
C. Because black cats bring seven years of bad luck .
D. Because black cats are hard to notice in darkness .
【单选题】
Q4: According to the passage, what will bring people good luck?___
A. Breaking a mirror on purpose .
B. Catching a falling leaf on one's birthday .
C. Finding a on the ground and picking it up .
D. Dreaming of blowing out the candles in one blow .
【单选题】
Q1: How long will the woman spend on her way to and from work by high-speed train?___
A. 4 hours .
B. 2 hours .
C. 1.5 hours .
D. 45 minutes .
【单选题】
Q2: When does the woman arrive back home by subway?___
A. At 8 .
B. At 7 .
C. At 6 .
D. At 5 .
【单选题】
Q3: According to the woman, in what way will the new high-speed train be a big help to her?___
A. She can either read or rest a little on the  train .
B. She can read and respond to emails onthe  train .
C. She can travel to many different parts of  the city .
D. She can go shopping on her way home  from work .
【单选题】
Q4: How will the new high-speed train affect the man?___
A. He can take the train to the old part of the  city .
B. He can save a lot of money when he takes  the train .
C. He can save 20 minutes to go to work with  the train .
D. He can take the train to the airport instead  of driving .
【单选题】
Q1: How much time on average do Americans spend on their way to work?___
A. About an hour .
B. More than an hour .
C. About half an hour .
D. More than one and a half hours .
【单选题】
Q2: What is the present situation about Americans’ commuting to work?___
A. More and more Americans spend over an  hour getting to work .
B. Over 10 percent of Americans spend less  than an hour getting to work .
C. Only New York people spend more than  90 minutes getting to work .
D. Over 10 percent of Americans spend more  than 90 minutes getting to work .
【单选题】
Q3: Why does Steven choose to have an extreme commute?___
A. Because gas prices are not high .
B. Because the commute is not tiring .
C. Because he can attend a better school .
D. Because he can have his favorite lifestyle .
【单选题】
Q4: Which of the following is the disadvantage of long commutes?___
A. Traffic jams .
B. Expensive housing .
C. Poorer life quality .
D. A tiring and boring trip .
【单选题】
Q1: What did Katy like about Jason’s last Halloween party?___
A. She liked playing an interesting game .
B. She enjoyed seeing many of her old friends .
C. She enjoyed wearing her Halloween costume .
D. She liked the decorations in Jason's front yard .
欢迎使用我爱刷题
×
微信搜索我爱刷题小程序
温馨提示
×
请在电脑上登陆“www.woaishuati.com”使用