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Jessa Aubrey Mambiar posted an update 2 months ago
Day 3
Date: March 27,2023
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Difference between quality assurance vs quality control
Quality assurance and quality control are two distinct concepts that are often used interchangeably. However, there is a significant difference between the two.QA is focused on preventing defects from occurring, while QC is focused on detecting and correcting defects that have already occurred. Both QA and QC are important components of a quality management system, and they work together to ensure that a product or service meets or exceeds the required quality standards.
The Difference Between Quality Assurance and Quality Control – YouTubeHi guys! Here is a new vlog on “the difference between quality assurance and quality control. You should watch this video from the start until the end becaus…
1.What is Levey-Jennings QC Chart?
The Levey-Jennings control chart is a graphical tool used in quality control to monitor and assess the performance of a laboratory test or process over time. It is named after two statisticians, Edward S. Levey and Ruth S. Jennings, who first proposed the chart in 1950. It is a useful tool for laboratories and other quality control settings, as it allows for ongoing monitoring and assessment of test or process performance, which can help to identify and correct issues before they become major problems.
The chart is a time-series graph that displays the distribution of control measurements (or quality control samples) plotted against time. The data points are plotted on the y-axis, and time is plotted on the x-axis. Typically, the mean and standard deviation of the control measurements are calculated and plotted as a horizontal line and two additional lines are drawn at +/- 2 or 3 standard deviations.
The purpose of the chart is to visually detect shifts or trends in the control measurements over time, which may indicate that the test or process is out of control or has an unacceptable level of variation. The chart can also be used to calculate and monitor other statistical parameters, such as the coefficient of variation and the %RSD (relative standard deviation), which can help to identify potential issues with the test or process.
Levey-Jenning chart – YouTubeThis video introduces the Levey-Jenning chart – its concept, creation, interpretation and usage.
What is the importance of material management in the laboratory and in your life?
Material management is essential both in laboratory settings and in everyday life because it involves the proper handling, storage, and use of materials to ensure their efficiency, safety, and longevity. Here are some specific reasons why material management is important:
1. Safety: In laboratory settings, many materials can be hazardous if not handled properly. Effective material management ensures that these materials are stored and used in a safe manner, minimizing the risk of accidents or injuries. The same can be applied in everyday life, where proper storage and handling of materials such as cleaning products or flammable liquids can prevent harm to oneself or others.
2. Efficiency: In laboratory settings, materials are often expensive and in limited supply. Effective material management ensures that these resources are used efficiently, reducing waste and saving costs. The same can be applied in everyday life, where proper use and storage of food and household items can save money and reduce waste.
3. Accuracy: In laboratory settings, accurate measurements and precise amounts of materials are crucial to the success of experiments. Effective material management ensures that materials are properly labeled, stored, and used, minimizing the risk of errors that can compromise the accuracy of results. In everyday life, proper measurement and use of ingredients can ensure the desired outcomes in cooking, for example.
4. Compliance: In laboratory settings, many materials are subject to strict regulations and must be properly tracked and documented. Effective material management ensures that these regulations are followed, minimizing the risk of fines or other penalties.
Overall, material management is important both in laboratory settings and in everyday life because it helps to ensure safety, efficiency, accuracy, and compliance with regulations.
12 Hospital Materials Management -Health Information System for Medical Technologists (FILIPINO) – YouTube12 Hospital Materials Management -Health Information System for Medical Technologists (FILIPINO) – YouTube
Simple Definition of Standard and Control in Laboratory
In a laboratory, a standard is a known quantity of a substance that is used as a reference point for comparison with other samples or measurements. Standards are typically well-characterized and have a known composition, concentration, or purity.
On the other hand, a control is a sample or measurement that is used to ensure that a laboratory procedure is working properly and that the results are reliable. It is usually prepared in the same way as the samples being tested but are known to have a specific value or concentration that is used to verify the accuracy and precision of the laboratory procedure. It also used to monitor for contamination or to evaluate the performance of laboratory equipment.
Understand Calibrator-Standard-Control with Example/ Clinical Lab – YouTube#Calibrator : fixed value, matrix is same as sample, available in liquid or lyophilized form#Standard : fixed value, matrix is not same as sample#Control : v…
Day 3
Date: March 27,2023
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