CPHA CPHA Health Informatics & Data Analytics

Question 1

Which federal law established national standards for the electronic exchange of health information and the privacy and security of patient data?

Accepted Answer

HIPAA

Answer

HIPAA (Health Insurance Portability and Accountability Act) established national standards for electronic health data exchange and created Privacy and Security Rules for protected health information.

Question 2

In public health surveillance, which system collects data from hospitals, clinics, and laboratories to monitor notifiable disease trends nationwide?

Accepted Answer

NNDSS

Answer

The National Notifiable Diseases Surveillance System (NNDSS) collects and analyzes data on notifiable conditions from health departments across all US states and territories.

Question 3

A public health data analyst wants to measure disease burden in a population by combining mortality and morbidity into a single metric. Which measure is most appropriate?

Accepted Answer

Disability-Adjusted Life Year (DALY)

Answer

DALYs (Disability-Adjusted Life Years) combine years of life lost due to premature death and years lived with disability into a single comprehensive disease burden metric.

Question 4

Which data visualization principle states that chart elements should have a clear purpose and unnecessary decorative elements should be removed?

Accepted Answer

Data-Ink Ratio

Answer

Edward Tufte's Data-Ink Ratio principle holds that every ink mark on a chart should represent data, and non-data ink (decorative elements) should be minimized.

Question 5

Which statistical method is most appropriate when a public health researcher wants to control for multiple confounding variables while examining the relationship between an exposure and a binary outcome?

Accepted Answer

Multiple logistic regression

Answer

Multiple logistic regression is used to assess the relationship between an exposure and a binary (yes/no) outcome while simultaneously controlling for multiple confounders.

CPHA - Certified Public Health Administrator Practice Test

CPHA - Certified Public Health Administrator Practice Test

CPHA CPHA Health Informatics & Data Analytics