Podcast
Questions and Answers
What is the purpose of wearing gloves when handling blood specimens?
What is the purpose of wearing gloves when handling blood specimens?
- To increase dexterity
- To keep the hands warm
- To prevent contamination (correct)
- To improve grip
Why is it important to leave the stoppers on the tubes before and during centrifugation?
Why is it important to leave the stoppers on the tubes before and during centrifugation?
- To observe the separation process
- To reduce the spinning speed
- To prevent contamination and pH changes (correct)
- To improve accuracy of the balance
What is the purpose of balancing tubes in a centrifuge?
What is the purpose of balancing tubes in a centrifuge?
- To ensure even spinning of the centrifuge (correct)
- To reduce the need for anticoagulants
- To prevent tubes from breaking
- To speed up the centrifugation process
When should a plasma specimen collected in tubes with anticoagulants be centrifuged?
When should a plasma specimen collected in tubes with anticoagulants be centrifuged?
Why does serum specimen need to be completely clotted prior to centrifugation?
Why does serum specimen need to be completely clotted prior to centrifugation?
Why are gauze or tissue used to cover the stoppers of tubes during centrifugation?
Why are gauze or tissue used to cover the stoppers of tubes during centrifugation?
What is the purpose of preparing an aliquot of specimen?
What is the purpose of preparing an aliquot of specimen?
Why is it important not to put specimens with different anticoagulants in the same aliquot tube?
Why is it important not to put specimens with different anticoagulants in the same aliquot tube?
What should be done to a serum sample before centrifugation?
What should be done to a serum sample before centrifugation?
Which component distinguishes serum from plasma during processing?
Which component distinguishes serum from plasma during processing?
How should tube stoppers be removed during specimen processing?
How should tube stoppers be removed during specimen processing?
What is the purpose of covering a tube as soon as it is filled during aliquot preparation?
What is the purpose of covering a tube as soon as it is filled during aliquot preparation?
Why does a plasma sample not require clotting time compared to whole blood?
Why does a plasma sample not require clotting time compared to whole blood?
What are the main characteristics of specimens that affect testing results?
What are the main characteristics of specimens that affect testing results?
What is the recommended storage temperature for most samples to ensure stability?
What is the recommended storage temperature for most samples to ensure stability?
Why should samples be properly capped before storage or testing?
Why should samples be properly capped before storage or testing?
How long can samples be stored if frozen at -20°C?
How long can samples be stored if frozen at -20°C?
Why is it important for health workers to avoid rapid airflow near specimens?
Why is it important for health workers to avoid rapid airflow near specimens?
