职称英语考试
报考指南考试报名准考证打印成绩查询考试题库

重置密码成功

请谨慎保管和记忆你的密码,以免泄露和丢失

注册成功

请谨慎保管和记忆你的密码,以免泄露和丢失

当前位置: 首页职称英语考试卫生类每日一练正文
2019年职称英语考试《卫生类》每日一练
帮考网校2019-11-17 13:59
2019年职称英语考试《卫生类》每日一练

2019年职称英语考试《卫生类》考试共65题,分为单选题和多选题和判断题和计算题和简答题和不定项。小编每天为您准备了5道每日一练题目(附答案解析),一步一步陪你备考,每一次练习的成功,都会淋漓尽致的反映在分数上。一起加油前行。


1、Human Heart Can Make New Cells
Solving a longstanding mystery, scientists have found that the human heart continues to generate new cardiac cells throughout the life span, although the rate of new cell production slows with age.
The finding, published in the April 3 issue of Science, could open a new path for the treatment of heart diseases such as heart failure and heart attack, experts say.
"We find that the beating cells in the heart, cardiomyocytes, are renewed," said lead researcher Dr. Jonas Frisen, a professor of stem cell research at the Karolinska Institute in Stockholm, Sweden. "It has previously not been known whether we were limited to the cardiomyocytes we are born with or if they could be renewed," he said.
The process of renewing these cells changes over time, Frisen added. In a 20-year-old, about 1 percent of cardiomyocytes are exchanged each year, but the turnover rate decreases with age to only 0. 45 percent by age 75,
"If we can understand how the generation of new cardiomyocytes is regulated, it may be potentially possible to develop pharmaceuticals that promote this process to stimulate regeneration after for example, a heart attack, "Frisen said.
That could lead to treatment that helps restore damaged hearts.
A lot of people suffer from chronic heart failure," noted co-author Dr. Ratan Bhardwaj.
Ratan Bhardwaj, also from the Karolinska Institute. "Chronic heart failure arises from heart cells dying," he said.
With this finding, scientists are "opening the door to potential therapies to having ourselves heal ourselves," Bhardwaj said. "Maybe one could devise a pharmaceutical agent that would make heart cells make new and more cells to overcome the problem they are facing. "
But barriers remain. According to Bhardwaj, scientists do not yet know how to increase heart cell production to a rate that would replace cells faster than they are dying off, especially in older patients with heart failure. In addition, the number of new cells the heart produces was estimated using healthy hearts-whether the rate of cell turnover in diseased hearts is the same remains unknown.
In people in their mid-70s, only 0.45 percent of cardiomyocytes ____.【单选题】

A.are still functional

B.are reduced each year

C.are replaced each year

D.are damaged each year

正确答案:C

答案解析:第四段说,一个人20岁时,其每年被更替的心肌细胞为1%,随着年龄的增长,该更替率( turnover rate)不断下降,等到75岁时,只有0. 45%。

2、Surprised by a Miracle
I had been working in the trauma unit at a local hospital for about a year. You get used to families thinking that a "coma" patient is moving their hand or doing something that they were asked to do. "Following commands" is what we call it. Often it's "wishful thinking" on the Families' part. Nurses can easily become callous to it.
On this particular night during visiting hours, my patient's wife came in. I had taken care of him for several nights. I was very familiar with his care and what he was able to do. Actually, he didn't do anything. He barely moved at all, even when something would obviously hurt him, such as suctioning.
His wife was very short, about 5 feet tall. She had to stand on a stool to lean over him, so that she could see his face and talk to him. She climbed up on the stool. I spoke to her for a few minutes, and then stepped out to tend to my other patient. A few minutes later, she came running out of the room. In an excited voice, she said, "Donna, he's moving his hand!"
I immediately thought that it was probably her imagination, and that he had not actually done it on purpose. He had been there about a month at the time and had never made any movements on purpose. I asked her what had happened and she said, "I asked him to squeeze my hand and he did!"
This led me to another train of questioning. "But, did he let go when you asked him to?" She said yes, that he had done exactly what she asked.
I went into the room with her, not really believing that I would see anything different than I had always seen. But I decided that it would be better to pacify her than to make her think I didn't believe her or that she was somehow mistaken.
She asked him to squeeze her hand, which he did. I said, "Well, ask him to let go. " He continued to squeeze for a moment, so that when he finally did let go, I really still didn't believe that he had done it on purpose. So, I said, "Ask him to hold up one finger. " He did as asked.
Well, hmm, this was starting to get my attention. I looked at him, his face still somewhat swollen and his eyes still closed. "Stick out your tongue!" I said. He did it. I almost fell on the floor. It was the first time I had ever seen anyone "wake up. "
The author "almost fell on the floor" because ____.【单选题】

A.she could hardly believe her eyes

B.she had been working too hard

C.she had been deceived

D.she had been tripped

正确答案:A

答案解析:从上下文不难看出,作者之所以差点摔倒是因为她简直难以相信自己的眼睛,之前她还从未见过昏迷病人醒过来。

3、Smoking Can Increase Depressive Symptoms in Teens
While some teenagers may puff on cigarettes to "self-medicate" against the blues, scientists at the University of Toronto and the University of Montreal have found that smoking may actually increasedepressive symptoms in some teens.
"This observational study is one of the few to examine the perceived emotional benefits of smoking among teens," says lead researcher Michael Chaiton, a research associate at the Ontario Tobacco Research Unit of the University of Toronto." Although cigarettes may appear to have self-medicating effects or to improve mood, in the long term we found that teens who started to smoke reported higher depressive symptoms. "
As part of the study, some 662 high school teenagers completed up to 20 questionnaires about their use of cigarettes to affect mood. Secondary schools were selected to provide a mix of French and English participants, urban and rural schools, and schools located in high, moderate and low socioeconomic neighborhoods. Participants were divided into three groups: never smokers; smokers who did not use cigarettes to self-medicate, improve mood or physical state; smokers who used cigarettes to self-medicate. Depressive symptoms were measured using a scale that asked how felt too fired to do things: had trouble going to sleep or staying asleep; felt unhappy, sad, or depressed; felt hopeless about the future; felt vexed, antsy or tense; and worried too much about things.
"Smokers who used cigarettes as mood improvers had higher risks of elevated depressive symptoms than teens who had never smoked," says co-researcher Jennifer O'Loughlin, a professor at the University of Montreal Department of Social and Preventive Medicine. "Our study found that teen smokers who reported emotional benefits from smoking are at higher risk of developing depressive symptoms."
The ____ between depression and smoking exists principally among teens that use cigarettes to feel better. "It's important to emphasize that depressive symptom scores were higher among teenagers who reported emotional benefits from smoking after they began to smoke," says Dr. Chaiton.
【单选题】

A.difference

B.association

C.cooperation

D.agreement

正确答案:B

答案解析:从上下文判断,本句指的是depression和smoking之间的联系,不会是它们之间的差异(difference)、合作(cooperation)或一致性(agreement)。association的词义是“联系”,所以是答案。

4、In the process, the light energy converts to heat energy.【单选题】

A.reduces

B.changes

C.leaves

D.drops

正确答案:B

答案解析:在这个过程中,光能转化成热能。converts指“转变”,通常与to或者into搭配,和changes“变化”是近义词,其他三项都是常用词,和答案意义差异较大,干扰性不强。

5、Breast Cancer Deaths Record Low
The number of women dying from breast cancer has fallen to a record low by dropping under 12,000 a year for the first time since records began.
The Cancer' Research UK data showed that 11.990 women died in the UK in 2007.
The previous lowest figure had been recorded in 1971-the year records began-after which it rose steadily year by year until the late 1980s.
Professor Peter Johnson, Cancer Research UK's chief clinician. said: "It's incredibly encouraging to see fewer women dying from breast cancer now than at any time in the last 40 years, despite breast cancer being diagnosed more often."
"Research has played a crucial role in this progress leading to improved treatments and better management for women with the disease."
"The introduction of the NHS (国民保健制度) breast screening 3 program has also contributed as women are more likely to survive the earlier cancer is diagnosed."
Breast cancer is now the most common cancer in the UK with 45,500 women every year diagnosed with the disease - a 50% rise in 25 years.
The number of deaths peaked in 1989, when 15,625 women died. It then fell by between 200 and 400 deaths each year until 2004.
There was a slight rise in 2005 and then two years of falls.
Dr. Sarah Cant, policy manager at Breakthrough Breast Cancer said: "It is great news that fewer women are dying from breast cancer and highlights the impact of improved treatments, breast screening and awareness of the disease. "
"However, this is still too many women and incidence of the disease is increasing year by year. "
The rising rate of breast cancer diagnosis has been put down to a variety of factors including obesity(肥胖) and alcohol consumption.
Obesity and alcohol consumption may also lead to some other diseases.【单选题】

A.Right

B.Wrong

C.Not mentioned

正确答案:C

答案解析:本题有一定难度,关键在吃透句意。答案依据比较明显,带着题干信息词回文章定位,答案依据在文章最后一段这一句:The rising rate of breast cancer diagnosis has been put down to a variety of factors including obesity and alcohol consumption.谈到乳腺癌确诊率上升和肥胖、过度饮酒有关,但并没有提及肥胖和过量饮酒是否会引发其他疾病,因此本题未提及,答案是C。

声明:本文内容由互联网用户自发贡献自行上传,本网站不拥有所有权,未作人工编辑处理,也不承担相关法律责任。如果您发现有涉嫌版权的内容,欢迎发送邮件至:service@bkw.cn 进行举报,并提供相关证据,工作人员会在5个工作日内联系你,一经查实,本站将立刻删除涉嫌侵权内容。
职称英语考试百宝箱离考试时间348天
学习资料免费领取
免费领取全套备考资料
测一测是否符合报考条件
免费测试,不要错过机会
提交
互动交流

微信扫码关注公众号

获取更多考试热门资料

温馨提示

信息提交成功,稍后帮考专业顾问免费为您解答,请保持电话畅通!

我知道了~!
温馨提示

信息提交成功,稍后帮考专业顾问给您发送资料,请保持电话畅通!

我知道了~!

提示

信息提交成功,稍后班主任联系您发送资料,请保持电话畅通!