Relias Quality Assurance and Improvement 3

Question 1

Which data collection tool is best suited for tracking how often different types of defects occur during an observation period?

Accepted Answer

Check sheet

Answer

A check sheet is a structured form for collecting and tallying the frequency of different types of defects or events.

Question 2

When a process is 'in control' on a control chart, it means:

Accepted Answer

Variation is caused only by common causes

Answer

A process 'in control' exhibits only common-cause variation, meaning all data points fall within control limits without special-cause signals.

Question 3

Which quality improvement model uses 'Define, Measure, Analyze, Improve, Control' phases?

Accepted Answer

Six Sigma DMAIC

Answer

Six Sigma's DMAIC framework structures improvement projects through five sequential phases: Define, Measure, Analyze, Improve, and Control.

Question 4

A nurse manager wants to display the relationship between patient acuity scores and medication errors. Which tool is most appropriate?

Accepted Answer

Scatter diagram

Answer

A scatter diagram plots two variables on X and Y axes to visualize and analyze possible correlations between them.

Question 5

In Lean methodology, 'muda' refers to:

Accepted Answer

Waste that adds no value to the process

Answer

Muda is a Japanese term for waste — any activity that consumes resources without adding value from the customer's perspective.

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