2020 流行病学与卫生统计学（留学生）(吉林医药学院) 最新满分章节测试答案

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本课程起止时间为:2020-05-25到2020-07-10
本篇答案更新状态:已完结

【作业】Chapter 1 Introduction to Epidemiology ASSAY

1、 问题:Please describe the major function of Epidemiology
评分规则: 【 list five point of the application of epidemiology
】

Chapter 1 Introduction to Epidemiology Test

1、 问题:What is the definition of epidemiology ?
选项：
A:Studing underlying mechanisms of disease, dignosis and treatment.
B:Studying the distributino of communicable disease and relevant factors.
C:Studying the distributino of non-communicable disease and relevant factors, as well as measures to prevent.
D:Studying the diagnosis, treatment, and prevention of disease.
E:Studying the distribution of diseases and health status in the population and relevant factors, as well as formulating and evaluating strategies and measures to prevent, control and eliminate diseases and promote health.
答案: 【Studying the distribution of diseases and health status in the population and relevant factors, as well as formulating and evaluating strategies and measures to prevent, control and eliminate diseases and promote health.】

2、 问题:Which one is true about epidemiology ?
选项：
A:Studying relevant factors of disease and health status at an indivivual level.
B:Only studying the prevalence of communicable disease and prevention measures.
C:Only studying risk factors of non-communicable disease.
D:Studying the distribution of disease and health status in population and relevant factors.
E:Only studying treatment measures
答案: 【Studying the distribution of disease and health status in population and relevant factors.】

3、 问题:Which one is not the characteristics of epidemiology ?
选项：
A:Population level
B:Start from the distribution
C:Treatment only
D:Comparision
E:Prevention
答案: 【Treatment only】

4、 问题:What is the fundamental difference between observational and experimental methods in epidemiological studies ?
选项：
A:There is a contorl group.
B:There is no contorl group.
C:There is an intervention or not.
D:Using blind method or not.
E:Statistical methods.
答案: 【There is an intervention or not.】

5、 问题:What is the difference between epidemiology and clinical medicine ?
选项：
A:Studying disease at the population level.
B:Studying the etiology of disease.
C:Providing diagnostic evidence
D:Not related with treatment.
E:Not studying the prognosis of disease.
答案: 【Studying disease at the population level.】

【作业】Chapter 2 Measures of diseases frequency （疾病的测量） Assay

1、 问题:Consider a class with 100 enrolled students. None of the students were ill at the begining of the school year. On September 30, a total of five studens reported having gastroenteritis. All continued to be ill on October 1, but all five recovered within 3 days. On October 14, another three students developed gastroenteritis. ll of these students continued to be ill on October 15, but all three recovered 5 days later. In this example , assume that a person cannot get gastroenteritis more than once.A. Calculate the prevalence of gastroenteritis in the class on October 1B. Calculate the prevalence of gastroenteritis in the class on October 30.C. Calculate the cumulative incidence of gastroenteritis in the class during the month of October.
评分规则: 【 1. 5/100
2. 0/100
3. 3/(100-5)
】

Chapter 2 Measures of diseases frequency （疾病的测量） Test

1、 问题:What is the study to compare the history of oral contraceptives between patients with cervical carcinoma and other patients hospitalized at the same time in order to explore the relationship between oral contraceptives and cervical carcinoma ?
选项：
A:Cross-sectional study
B:Ecological study
C:Cohort study
D:Case-control study
答案: 【Case-control study】

2、 问题:What is the numerator of incidence in an exposed population during a certain period ?
选项：
A:All prevalent cases
B:New cases
C:Old cases
D:Infected cases
答案: 【New cases】

3、 问题:The definition of prevalence is
选项：
A:The number of new cases of a disease / the number of exposed population at the same time
B:The number of old cases of a disease / the average number of population at the same time
C:The number of new and old cases of a disease / the average number of population at the same time
D:The number of all cases of a disease / the average number of annual population
答案: 【The number of new and old cases of a disease / the average number of population at the same time】

4、 问题:A approach to comprehensively describe the distributions of time, population, and region for a disease is
选项：
A:Serum epidemiology
B:Molecular epidemiology
C:Genetic epidemiology
D:Migrant epidemiology
答案: 【Migrant epidemiology】

5、 问题:A doctor examined the HBsAg status among 2,000 people and found 300 were positive.The most appropriate indicator for the survey is
选项：
A:Incidence
B:Prevalence
C:Attack rate
D:Infection rate
答案: 【Infection rate】

【作业】Chapter 3 Descriptive Studies Assay

1、 问题:In order to ensure that the sample can reflect the overall situation, what should be considered in the analysis?
评分规则: 【 The variation of the subjects;
Whether the sample size is large enough;
Whether the sampling method is feasible;
Whether the sample is representative.
】

Chapter 3 Descriptive Studies Test

1、 问题:Which of the following characteristics do descriptive studies have?
选项：
A:Collect and analyze data on an individual basis
B:Choose people of different natures to compare
C:Obtain the surveyed population by random sampling
D:Describe the characteristics of the disease distribution and provide a clue to the cause of the disease
答案: 【Describe the characteristics of the disease distribution and provide a clue to the cause of the disease】

2、 问题:What are the advantages of the prevalence survey study?
选项：
A:The cause of the disease can be determined.
B:A variety of factors can be measured in an investigation.
C:The sample size is relatively small in the sampling survey.
D:There is less bias in the investigation.
答案: 【A variety of factors can be measured in an investigation.】

3、 问题:Which is the method of analyzing and researching in groups without individual data?
选项：
A:Monitoring
B:Case investigation
C:Prevalence survey
D:Ecological study
答案: 【Ecological study】

4、 问题:Which is the characteristics of the sampling survey that are not included?
选项：
A:Not suitable for diseases with a low prevalence rate.
B:The progress of the investigation is fast and the workload is relatively small.
C:The design and implementation are more complex.
D:Small sample size
答案: 【Small sample size】

5、 问题:Which is the way to early detection and treatment of patients?
选项：
A:Census
B:Sampling survey
C:Ecological study
D:Longitudinal research
答案: 【Census】

Chapter 4 Cohort Studies Test

1、 问题:To test the cause of a hypothesis, who should be included in a cohort study?
选项：
A:Persons suffering from the diseases studied
B:Persons who do not suffer from the diseases studied
C:People with etiological factors
D:People who don’t have etiological factors
答案: 【Persons who do not suffer from the diseases studied】

2、 问题:Regarding the historical cohort study, which is wrong with the statement?
选项：
A:The direction of observation is from “cause” to “result”
B:The direction of observation is from “result” to “cause”
C:There should be complete and reliable exposure data of the subjects in the past for a certain period of time
D:There should be complete and reliable information on the outcome of the subjects in the past period of time
答案: 【The direction of observation is from “result” to “cause”】

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