#1
Which of the following best defines epidemiology?
The study of how diseases spread and can be controlled
ExplanationStudy of disease spread and control
#2
What is the primary goal of surveillance in public health?
To monitor the prevalence of diseases and health-related events
ExplanationMonitor disease prevalence and events
#3
Which of the following is NOT a type of epidemiological study?
Experimental study
ExplanationNot a type of epidemiological study
#4
What does the term 'incidence' refer to in epidemiology?
The number of new cases of a disease that occur during a specified period of time
ExplanationNumber of new disease cases in a period
#5
What is the basic reproduction number (R0) in epidemiology?
The average number of secondary cases generated by a single case in a susceptible population
ExplanationAverage secondary cases from one infected person
#6
What is the purpose of contact tracing in epidemiology?
To identify and notify individuals who may have been exposed to an infectious disease
ExplanationIdentify and notify potential disease contacts
#7
What is the difference between active and passive surveillance?
Active surveillance involves monitoring of diseases in real-time, while passive surveillance relies on routine reporting
ExplanationActive is real-time; passive relies on routine reports
#8
Which of the following is NOT a component of the surveillance pyramid?
Cases identified through syndromic surveillance
ExplanationNot part of the surveillance pyramid
#9
Which of the following is a characteristic of syndromic surveillance?
It focuses on symptoms or clinical signs rather than confirmed diagnoses
ExplanationFocuses on symptoms, not confirmed diagnoses
#10
Which of the following is an example of passive surveillance?
Regular visits to healthcare facilities to monitor disease incidence
ExplanationRegular healthcare facility visits for monitoring
#11
What is the difference between prevalence and incidence in epidemiology?
Prevalence refers to the total number of cases of a disease, while incidence refers to the number of new cases during a specific period of time
ExplanationPrevalence is total cases; incidence is new cases
#12
Which of the following is a limitation of surveillance systems in public health?
They may underreport certain diseases or populations
ExplanationPotential underreporting of diseases or populations
#13
What is the main advantage of syndromic surveillance?
It allows for real-time monitoring of disease trends
ExplanationReal-time monitoring of disease trends
#14
Which of the following is a key consideration when designing a surveillance system?
The geographic location of the population
ExplanationConsideration of population geographic location