Epidemiology: Measures of Disease II, & Surveillance I

In stratified random sampling, the sample from each stratum is taken based on:

Which of the following is true when calculating cumulative incidence (CI)?

Cumulative incidence (CI) can be measured as:

What happens after a health-related event is reported?

One of the appropriate uses of necropsy surveillance is to:

Who typically recognizes a health-related event?

In the context of proportional mortality, heart disease being the #1 cause of death means:

In an open population, the inclusion of animals entering and leaving the study in CI calculations:

Which of the following is associated with veterinary surveillance in the sale and movement of animals?

Internal validity refers to:

What factor might affect disease detection in passive surveillance?

In sampling, a properly selected sample should:

In probability sampling, each element in the population has:

If the disease is not recognized, the case is:

If the test fails to detect the disease, the case is:

Which of these diseases can be detected through carcass-based necropsy surveillance in wildlife?

Active surveillance can be standardized across:

What is one of the key functions of passive surveillance?

What is the definition of surveillance?

What is a key advantage of stratified sampling?

The sample population consists of:

The denominator in period prevalence calculations is:

Why is it usually not possible to examine the entire population in sampling?

Convenience sampling involves selecting units based on:

The population of interest refers to:

Prevalence refers to the proportion of:

Why use different sampling methods?

Simple random sampling uses a sampling frame which is:

Which measure refers to the frequency of a health event in a population?

Period prevalence refers to the cumulative number of cases:

How does non-probability sampling differ?

Simple random sampling can be used to estimate the prevalence of diseases like Fasciola hepatica by:

After recognizing a health-related event, it is:

The formula for calculating cause-specific mortality proportion is:

What happens if the disease is not reported to a veterinarian?

What does systematic sampling involve?

Multistage sampling combines which sampling techniques?

Passive surveillance theoretically covers:

Proximity to roads or observation points can:

One of the advantages of active surveillance is its ability to:

Sentinel herds help detect:

In calculating the affected proportion, the time period is typically:

Wildlife surveillance programs require:

Can sentinel networks contribute to passive surveillance?

If the specimens submitted for diagnosis are of insufficient quality, the case is:

Necropsy surveillance is particularly useful for:

Systematic random sampling involves:

Which of the following is an example of continuous monitoring in passive surveillance?

Active surveillance can be applied to:

Cumulative incidence (CI) is calculated by dividing the number of new cases by:

The extent to which results can be applied to the target population is known as:

What does political will refer to in priority planning?

What does stratified sampling involve?

A sentinel herd acts as:

The study population consists of:

Which of the following is an advantage of targeted surveillance?

The largest circle in a sampling diagram typically represents:

Simple random sampling is characterized by:

The proportion of affected animals in a sentinel herd might indicate:

The occurrence of a health-related event refers to:

What happens if the wrong test is performed on the submitted specimens?

The term "case fatality rate" is a misnomer because:

Sentinel herds cannot be used to measure:

Passive surveillance is limited to detecting diseases that produce:

What does surveillance primarily provide?

The etiological detection component of wildlife surveillance is focused on:

The affected proportion is calculated by dividing the number of affected animals by:

When detecting mortality events in wildlife, the physical size of the animal can:

Surveillance is crucial for:

One challenge of passive surveillance is:

What happens if an animal does not develop clinical signs after infection?

Which type of surveillance involves monitoring diseases through diagnostic laboratories?

Simple random sampling is considered the "gold standard" because:

Point prevalence is most commonly used to measure:

When sampling, you must consider:

Which of the following is NOT a purpose of surveillance?

If the duration of a disease increases, what is likely to happen to prevalence?

One difficulty in necropsy surveillance is:

The study population consists of:

One advantage of passive surveillance is that it is:

In the absence of individual-level data, why are measures referred to as proportions or approximate rates?

What ensures surveillance and diagnostic accuracy?

Cause-specific mortality proportion provides information about:

The surrounding vegetation at the place of death can:

If the correct test is performed and detects the disease, it results in:

Passive surveillance includes data from which of the following sources?

What must wildlife surveillance programs include?

Why is initial population size commonly used as the denominator in calculating CI for an open population?

The population used in calculating the affected proportion is assumed to be:

Which of the following is a limitation of passive surveillance?

Weather conditions, such as visibility and rate of decomposition, affect detection by:

Proportional mortality refers to:

Non-targeted surveillance is typically:

Continuous vigilance in wildlife surveillance helps:

When is systematic sampling most effective?

What is a key benefit of systematic sampling?

Passive surveillance helps meet basic:

The formula for calculating mortality proportion is:

In necropsy surveillance, the collected data primarily involve:

What is an example of a direct cost related to a health event?

What does the sampling frame represent?

The target population refers to:

Which type of surveillance requires an organization to actively identify cases?

The cause-specific mortality proportion is calculated by dividing:

The term “case fatality rate” is commonly used, but it is actually a:

What can lead to the underreporting of diseases?

In an open population, the denominator for calculating cumulative incidence (CI) is typically:

Clustering of death events (proximity to other carcasses) can:

Prevalence is directly proportional to:

What affects internal validity?

If 20 cows have mastitis on Feb 16, and 100 cows are examined, the point prevalence is:

In wildlife surveillance, detection of cases often involves:

Mandatory disease notification and disease registries are examples of:

The affected proportion is a type of:

How does systematic sampling compare in precision?

Which of the following is a requirement for using active surveillance effectively?

In point prevalence calculations, cows might have had mastitis for:

In epidemiology, when individual-level data is unavailable, referring to measures as proportions is preferred because:

The term "sentinel" in surveillance refers to:

Active surveillance is useful for investigating which of the following?

The primary assumption in non-probability sampling methods is:

In which surveillance system are cases reported by other agencies or health professionals?

Which of the following diseases would be amenable to carcass detection and wildlife necropsy surveillance?

In simple random sampling, the probability of selecting each element is:

What does surveillance help determine in public health?

Surveillance helps in:

Passive surveillance might not be sufficient to:

Targeted surveillance focuses on:

If 50 cases are identified out of 1200 animals exposed during a 3-day outbreak, the affected proportion is:

Veterinarians play a crucial role in:

The number and species of scavengers influence detection by:

External validity refers to:

Cumulative incidence (CI) refers to:

Which network is commonly involved in passive surveillance?

Cumulative incidence (CI) is expressed as a:

How is simple random sampling done?

If 30 cows at Acme Dairy Center had mastitis between May 1 and June 16, the period prevalence would consider:

One of the key goals of wildlife surveillance is to:

The formula for calculating case fatality is:

What does probability sampling improve?

The accuracy of conclusions within the sample population determines:

How often should surveillance analyses be performed?

In judgment sampling, units are selected based on:

Sentinel herds might be used to:

Mortality proportion provides information about:

Which disease would require live animal testing rather than necropsy surveillance?

The mortality proportion is calculated by dividing:

The formula for calculating proportional mortality is:

What occurs if specimens are not submitted for diagnosis?

Simple random sampling ensures that:

To ensure external validity, researchers must:

What factors influence the preventability of a health event?

Brucellosis, tuberculosis, and viral encephalitis are examples of diseases that:

What is considered a measure of the severity of a health event?

Disease detection in passive surveillance depends on:

The sample represents:

Which of the following is a reason to sample?

The case-fatality proportion is most commonly associated with:

When is cluster sampling useful?

Cause-specific mortality proportion differs from general mortality proportion because it focuses on:

Sentinel herds are used to:

Which of the following is an example of veterinary surveillance?

Which disease would require the collection of live animals for testing programs?

Blocked random sampling is similar to stratified sampling but focuses on:

In the equation Prevalence ∝ Incidence * Duration, what does "incidence" refer to?

Which of the following is a use of surveillance?

The effectiveness of passive surveillance depends on:

Reporting in passive surveillance can be:

In order to calculate cumulative incidence, individuals must:

The formula for calculating cumulative incidence (CI) is:

Passive surveillance can detect:

Surveillance analyses should be performed:

Proportional mortality helps to understand:

Passive surveillance involves:

Case fatality provides information about:

Stratified random sampling is used when:

Purposive sampling is used when:

Case fatality is a proportion that represents:

Variability by target wildlife species affects the choice of surveillance method for diseases like:

In calculating cumulative incidence (CI), the denominator represents:

Necropsy surveillance can be used to:

Feedback to stakeholders involves communication about:

Sentinel herds are typically located in:

Which of the following represents the potential years of life lost due to a health event?

If the veterinarian does not suspect the disease, the case is:

When calculating rates without individual-level data, the result should be considered:

Mortality proportion differs from case fatality because it includes:

Case fatality is defined as the proportion of diagnosed cases that:

If 3 of 12 affected neonates die from diarrhea, the case-fatality proportion is:

What is a drawback of systematic sampling?

Which of the following is a disadvantage of active surveillance?

Period prevalence differs from incidence because:

Changing which of the following factors would affect the observed prevalence?

A sentinel surveillance system targets a:

Why is systematic sampling easier than random?

What does a combination surveillance system include?

Surveillance plays a key role in:

When calculating cumulative incidence (CI) in an open population, it is conventional to use:

What is the purpose of abortion panels in veterinary surveillance?

Census-based surveillance assumes: