Which of the Following Statements Is the Most Accurate Example

question 6

Multiple Choice

Which of the following statements is the most accurate example of primary prevention?

• A) Promoting antismoking campaign in the community
• B) Taking low-dose computed tomography scan to detect the early stage of lung cancer
• C) Quitting smoking after diagnosis of chronic obstructive pulmonary disease
• D) Removal of malignant lung cancer to reduce the pain from tumor
• E) Participating in cancer rehabilitation programs in primary health care center after surgery

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Definitions:

Numerator

The top number of a fraction, showing the number of parts out of the denominator considered.

Chi-square Distribution

A probability distribution that is used to describe the distribution of a sum of the squares of k independent standard normal random variables, often used in hypothesis testing.

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, indicating how much the values differ from the mean.

Sample Variance

A statistical measure of the dispersion or variance within a sample data set.