CRE Quality Assurance & Improvement 2

Question 1

Which statistical tool is most appropriate for tracking the number of defects per patient education session over time?

Accepted Answer

c-chart

Answer

A c-chart (count chart) is used to monitor the number of defects or nonconformities in a constant-size sample over time.

Question 2

In a respiratory therapy department's QI initiative, the Plan-Do-Study-Act cycle's 'Study' phase primarily involves:

Accepted Answer

Analyzing data collected during the trial run

Answer

The Study phase involves analyzing the results of the small-scale test to determine whether the change produced the desired improvement.

Question 3

A respiratory educator notices that inhaler technique errors cluster around a specific step. Which QI tool best visualizes the frequency of different error types in rank order?

Accepted Answer

Pareto chart

Answer

A Pareto chart ranks categories by frequency, helping identify the 'vital few' causes responsible for the majority of errors.

Question 4

Which measure of central tendency is MOST resistant to extreme outlier values when evaluating patient satisfaction scores?

Accepted Answer

Median

Answer

The median is resistant to outliers because it represents the middle value of a dataset regardless of extreme scores.

Question 5

When a respiratory education program reviews sentinel events, the primary goal is to:

Accepted Answer

Identify systemic factors that contributed to the event

Answer

Sentinel event reviews use root cause analysis to identify system-level factors so that similar events can be prevented in the future.

(CRE) Certified Respiratory Educator Practice Test

(CRE) Certified Respiratory Educator Practice Test

CRE Quality Assurance & Improvement 2