大学MOOC 流行病学（Epidemiology）(湖北文理学院)1450339293 最新慕课完整章节测试答案

test

1、单选题：
‎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 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.】

Isitcorrectthatthemortalityrateofhydrophobiais100%

1、填空题：
‍Is it correct that the mortality rate of hydrophobia is 100%‍
答案: 【 No, the denominator is very huge, cannot be 100%】

test

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

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

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

4、单选题：
‌What is the numerator of incidence in an exposed population during a certain period ?(2分)​‌​‌​
选项：
A: * A; New cases
B: * B; All prevalent cases*
C:  C; Old cases
D: * D; Infected cases
答案: 【 * A; New cases】

5、单选题：
‍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 ?‍‍(2分)‍‍‍‍‍
选项：
A: * A; Ecological study
B: * B; Cross-sectional study
C:  C; Cohort study
D:  D; Case-control study
答案: 【  D; Case-control study】

Therelationshipbetweenincidenceandprevalence

1、填空题：
‎The relationship between incidence and prevalence​
答案: 【 the numerator of incidence is new patient while the numerator of prevalence is new and old patients together.
the denominator of incidence is population at risk which means only the people who will get the disease of interest can be calculated. While the denominator of prevalence is the average number of certain time and certain area.】

Therelationshipbetweennumeratoranddenominatorinrate

1、填空题：
‏The relationship between numerator and denominator in rate‌
答案: 【 normally, the numerrator was a part of denominator in rate and for certain female disease, the denominator only can be female】

WhatarethetwopartsofDALY

1、填空题：
‏What are the two parts of DALY?‏
答案: 【 Years lived with disability + Years of life lost】

Test

1、单选题：
‏Which of the following characteristics do descriptive studies have?‎
选项：