Question 1

Which of the following is NOT a primary use of public health data as described in Chapter 8?

Accepted Answer

Development of new pharmaceutical drugs

Question 2

A local health department wants to identify a group at higher risk for diabetes. Which use of data does this scenario best illustrate?

Accepted Answer

Identification of special risk groups

Question 3

Which survey is specifically designed to collect data on health behaviors among youth and transmits results to the National Center for Health Statistics (NCHS)?

Accepted Answer

Youth Behavioral Risk Factor Survey

Question 4

Why is the U.S. Census considered the most accurate source of public health data, despite its imperfections?

Accepted Answer

It includes every resident and is mandated by law

Question 5

Which of the following is a potential drawback of increased information technology use in public health data collection?

Accepted Answer

Increased confidentiality concerns

Question 6

A state health department receives birth and death certificate data from local governments. What is the next step in the data transmission process?

Accepted Answer

Data is transmitted to the National Center for Health Statistics (NCHS)

Question 7

Which equation best represents the concept of 'overcount' in census data, if $$N is $$the true population and $$C is $$the counted population?

Accepted Answer

$$Overcount = C - N$$

Question 8

A researcher uses data from the National Health and Nutrition Examination Survey (NHANES) to study obesity trends. Which use of data does this best exemplify?

Accepted Answer

Raw material for research

Question 9

Which of the following is a plausible reason for undercounts in census data?

Accepted Answer

Individuals not responding or being missed

Question 10

If a public health program is evaluated using data from the Behavioral Risk Factor Surveillance Survey (BRFSS), which step in the public health process is being performed?

Accepted Answer

Planning and evaluation of public health programs

Question 11

Which of the following best describes the flow of health data from local to national levels?

Accepted Answer

Local records → State governments → NCHS

Question 12

A city wants to allocate funding for a new vaccination program. Which use of public health data is most relevant to this decision?

Accepted Answer

Preparation of government budgets

Question 13

Which of the following surveys is most likely to provide data on adult health behaviors such as smoking and exercise?

Accepted Answer

Behavioral Risk Factor Surveillance Survey (BRFSS)

Question 14

If $$A is $$the accuracy of data collection and $$T is $$the availability of data, which relationship best describes the effect of information technology?

Accepted Answer

$$A$$ and $$T$$ both increase

Question 15

Which of the following is a common concern regarding the confidentiality of public health data?

Accepted Answer

Data may be accessed by unauthorized individuals

Question 16

A public health official is worried about 'Big Brother' implications of data collection. Which ethical principle is most relevant to this concern?

Accepted Answer

Confidentiality

Question 17

Which of the following is NOT typically included in local health records used for public health data collection?

Accepted Answer

Personal income tax returns

Question 18

If a state reports an increase in notifiable diseases, which use of data is most directly involved?

Accepted Answer

Detection of new health threats

Question 19

Which of the following best explains why data collection is considered 'imperfect' in public health?

Accepted Answer

There are overcounts and undercounts

Question 20

A researcher wants to compare the prevalence of diabetes in two states using NHANES data. Which statistical formula would be most appropriate for calculating prevalence?

Accepted Answer

$$Prevalence = \frac{Number\ of\ cases}{Total\ population}$$

Role of Data in Public Health: Collection, Uses, and Challenges

Study Guide - Practice Questions

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