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WorksheetsGeneral Epidemiology
Total questions: 15
Worksheet time: 10mins
Which of the following is not a measure of central tendency?
Mean
Median
Mode
Standard deviation
Which of the following is a measure of the spread of disease in a population?
Incidence
Prevalence
Mortality rate
Case fatality rate
Which type of study design is best suited to determine the cause-effect relationship between an exposure and an outcome?
Cross-sectional study
Case-control study
Cohort study
Randomized controlled trial
Which of the following is an example of a vector-borne disease?
Tuberculosis
Hepatitis B
Malaria
Influenza
Which of the following is a characteristic of a good screening test?
High cost
Low sensitivity
High specificity
High false positive rate
What is the purpose of randomization in a randomized controlled trial?
To ensure that the treatment group and the control group are similar
To increase the power of the study
To ensure blinding of the study participants
To reduce the risk of bias in the study
Which of the following is a measure of association used in a case-control study?
Odds ratio
Relative risk
Attributable risk
Incidence rate
Which of the following is a characteristic of a good surveillance system?
Low sensitivity
High cost
Timely reporting
Lack of feedback to stakeholders
The incidence of a disease is the number of (a) cases of the disease in a defined population during a specified time period.
The process of identifying and characterizing the distribution of a disease in a population is known as (a) .
A (a) is a group of individuals who share a common characteristic or experience, such as age or exposure to a risk factor.
The (a) is a statistical test used to determine if there is a significant difference between the means of two groups.
Which of the following is an example of a mortality rate?
Incidence rate of tuberculosis
Prevalence rate of dental caries
Case fatality rate of breast cancer
Attack rate of influenza
Which of the following is the most effective way to prevent the spread of infectious diseases in a dental clinic?
Washing hands with soap and water
Using alcohol-based hand sanitizers
Wearing gloves and masks
Disinfecting surfaces and equipment
Which of the following epidemiological study designs would be most appropriate for investigating the causal relationship between an exposure and a rare disease, while also controlling for confounding variables?
Cross-sectional study
Cohort study
Case-control study
Randomized controlled trial
