Texts: Purpose: The purpose of this activity is to discuss the main elements of external quality assessment based on the experience and knowledge of students.
Instructions: Students are given the following scenario and should answer the questions that follow:
Scenario: "A newly appointed laboratory supervisor has begun reviewing past EQA results and observes poor Gram stain performance had occurred several times."
Questions:
1. How should the laboratory investigate this problem? (Write the steps to investigate the problem.)
2. List possible causes of errors that could have happened during each of the following examination phases:
- Preanalytical
- Analytical
- Postanalytical
1. What corrective actions might be taken?