Incidence and Prevalence of Cancer

Incidence and Prevalence of Cancer

Assessment

Interactive Video

Biology, Science, Health

9th - 12th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explains the measures of disease, focusing on incidence and prevalence. Incidence is defined as the number of new cases in a given time period over the number of people at risk, making it a rate that measures how fast a disease is occurring. Prevalence, on the other hand, is the number of cases over the total number of people, representing a proportion that indicates the burden of disease in a population. The tutorial uses a study example to illustrate these concepts, showing how incidence and prevalence are calculated and their implications for public health policy.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary difference between incidence and prevalence?

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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