CAHIMS CAHIMS Data Analytics and Reporting 2

Question 1

What is the role of ETL in healthcare data warehousing?

Accepted Answer

Extracting, Transforming, and Loading data from source systems into a warehouse

Answer

ETL (Extract, Transform, Load) is the process of pulling data from source systems, converting it to a standard format, and loading it into a data warehouse for analysis.

Question 2

Which visualization type is best suited for showing the distribution of patient ages in a population?

Accepted Answer

Histogram

Answer

A histogram displays the frequency distribution of continuous numerical data such as patient ages across defined intervals.

Question 3

What is 'data normalization' in the context of healthcare databases?

Accepted Answer

Organizing data to reduce redundancy and improve integrity

Answer

Data normalization restructures relational database tables to minimize duplication and ensure logical data dependencies, improving consistency.

Question 4

A CAHIMS professional is asked to build a dashboard for hospital administrators. Which step should come FIRST?

Accepted Answer

Identify key metrics and stakeholder information needs

Answer

Defining stakeholder requirements and key metrics must precede any technical or design decisions to ensure the dashboard delivers actionable insights.

Question 5

Which metric measures the proportion of patients who are readmitted to the hospital within 30 days of discharge?

Accepted Answer

30-day readmission rate

Answer

The 30-day readmission rate is a widely used CMS quality metric tracking the percentage of patients who return to the hospital within 30 days of discharge.

CAHIMS - Certified Associate in Healthcare Information and Management Systems Practice Test

CAHIMS - Certified Associate in Healthcare Information and Management Systems Practice Test

CAHIMS CAHIMS Data Analytics and Reporting 2