HAC Healthcare Data Visualization & Dashboards 2

Question 1

A healthcare analyst is building a dashboard to track surgical site infection rates across 10 hospitals. Which visualization best supports benchmarking comparisons?

Accepted Answer

Grouped bar chart

Answer

Stacked area chart

Answer

Radar chart

Answer

Treemap

Question 2

When visualizing HEDIS quality measure performance, which chart type effectively shows actual performance versus a target threshold simultaneously?

Accepted Answer

Bullet chart

Answer

Box plot

Answer

Funnel chart

Answer

Waterfall chart

Question 3

Which color principle is most important when designing healthcare dashboards for users who may have color vision deficiency?

Accepted Answer

Ensure sufficient luminance contrast and use pattern redundancy

Answer

Use saturated primary colors only

Answer

Rely solely on hue to encode data

Answer

Avoid all red-green combinations only when possible

Question 4

A population health manager needs to show the geographic distribution of diabetes prevalence by county. Which visualization is most appropriate?

Accepted Answer

Choropleth map

Answer

Treemap

Answer

Parallel coordinates plot

Answer

Sankey diagram

Question 5

Which dashboard interactivity feature allows users to click a region on a map and automatically filter all other charts on the page to that region?

Accepted Answer

Cross-filtering / linked selection

Answer

Drill-through

Answer

Parameterized query

Answer

Cascading dropdown

Question 6

A quality analyst uses a control chart to monitor monthly catheter-associated urinary tract infection (CAUTI) rates. What do the upper and lower control limits represent?

Accepted Answer

Three standard deviations from the process mean

Answer

Regulatory thresholds set by CMS

Answer

The best and worst performing months

Answer

Joint Commission benchmark targets

Question 7

Which visualization technique is best for showing how patients flow through stages of care from ED admission to discharge?

Accepted Answer

Sankey diagram

Answer

Box plot

Answer

Scatter plot

Answer

Heat map