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Epidemiology
(Single Best Answer) Question 1: The pattern of disease in a community described in terms of the inportant factors which influence its occurence is known as ?
A) Experimental epidemiology
B) Confounding
C) Ice berg phenomenon
D) Community diagnosis
Answer (Select an option above to get the answer):
(Single Best Answer) Question 2: The first step in conducting an epidemic investigation is ?
A) Determining the number of cases
B) Determining the population at rise
C) Verifying the diagnosis
D) Calculating the incubation period
Answer (Select an option above to get the answer):
(Single Best Answer) Question 3: All the following statements are true of case control studies except ?
A) Requires relatively few subjects
B) Suitable to investigate rare disease
C) Attrition problem of study population is present
D) Matching removes confounding bias
Answer (Select an option above to get the answer):
(Single Best Answer) Question 4: The analytical study where population is the unit of study is ?
A) Cross sectional
B) Ecological
C) Case-control
D) Cohort
Answer (Select an option above to get the answer):
(Single Best Answer) Question 5: Which of the following is the best indicator of severity of a short duration acute disease ?
A) Cause specific death rate
B) 5 - year survival
C) Case - fatality rate
D) Standardized mortality ratio
Answer (Select an option above to get the answer):
(Single Best Answer) Question 6: The systematic distortion of retrospective studies that can be eliminated by a prospective design is ?
A) Confounding
B) Effect modification
C) Recall bias
D) Measurement bias
Answer (Select an option above to get the answer):
(Single Best Answer) Question 7: If a new effective treatment is initiated and all other factors remain the same; which of the following is most likely to happen ?
A) Incidence will not change
B) Prevalence will not change
C) Neither incidence nor prevalence will change
D) Incidence and prevalence both will change
Answer (Select an option above to get the answer):
(Single Best Answer) Question 8: Which sampling method is used in assessing immunization status of children under an immunization program ?
A) Quota sampling
B) Multistage sampling
C) Stratified random sampling
D) Cluster sampling
Answer (Select an option above to get the answer):
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