What is the primary difference between incidence and prevalence?

Incidence and Prevalence of Cancer

Interactive Video
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Biology, Science, Health
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9th - 12th Grade
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Hard

Patricia Brown
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Incidence measures new cases, while prevalence measures total cases.
Incidence measures total cases, while prevalence measures new cases.
Incidence is a proportion, while prevalence is a rate.
Incidence and prevalence are the same.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is incidence best described?
A rate of new cases over a time period.
A measure of disease burden.
A proportion of people with a disease.
A total count of disease cases.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a high incidence rate indicate?
A fast occurrence of new cases.
A high burden of disease.
A low risk of disease.
A stable disease environment.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does prevalence help determine in a population?
The speed of disease spread.
The total number of new cases.
The burden of disease.
The risk of developing a disease.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is prevalence important for public policy?
It indicates the need for healthcare resources.
It shows the risk of disease.
It measures the speed of disease spread.
It helps in predicting future cases.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the 10-year study example, how is a 'case' defined?
The total number of cancer cases.
Any person who died of cancer.
The onset of cancer during the study period.
Any person who has ever had cancer.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many new cancer cases were identified in the study period?
Six
Five
Four
Three
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