NAHQ Updated CPHQ Exam Questions and Answers by sulayman

Detailed Explanation:

The Control phase of DMAIC focuses on sustaining improvements and ongoingevaluation to ensure changes are maintained.

Option D: Control

This phase involves monitoring and evaluating outcomes to confirm that improvements continue over time.

 A control chart is a statistical tool used in quality control to monitor and control processes. It helps to determine how much variability in a process is due to random variation and how much is due to unique events.

Random variation, also known as common cause variation, is inherent in any process and is predictable1. It represents the natural fluctuation in a process over time due to many minor factors1.

On the other hand, unique events, also known as special cause variation, are unexpected and arise due to unusual circumstances23. They are not an inherent part of a process and are not predictable3.

A control chart helps distinguish between these two types of variation. If a data point falls within the control limits on the chart, it is considered to be due to random variation. If a datapoint falls outside the control limits, it indicates the presence of special cause variation1.

A center of excellence addressing advanced diabetes focuses on reducing complications and improving management in patients with established disease, which is tertiary prevention (CDC, Types of Prevention, 2023; The Joint Commission, Chronic Disease Management, 2024).

Primary prevention aims to prevent disease onset.

Secondary targets early detection.

Quaternary focuses on avoiding unnecessary interventions.

Critical values are specific test results that fall significantly outside the normal range and may indicate a life-threatening situation. These values are determined by the organization based on clinical judgment and the specific context of the healthcare setting. Each organization is responsible for defining what constitutes a critical value for various tests, ensuring that these values are communicated promptly to the responsible clinician.

Defined by law (A): Critical values are not universally defined by law; they are established by individual organizations based on their clinical needs and practices.

Provided by accrediting agencies (C): While accrediting agencies may provide guidelines on how to manage critical values, they do not define the specific values.

Specific to nursing units (D): Critical values are not specific to nursing units but are applicable across the organization and require prompt communication.

References

NAHQ Body of Knowledge: Critical Values in Laboratory Management

NAHQ CPHQ Exam Preparation Materials: Managing Critical Values in Healthcare

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