Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What can tissue thromboplastin do to coagulation tests?
What can tissue thromboplastin do to coagulation tests?
- Activate the extraneous coagulation pathway
- Compromise the results of other coagulation tests (correct)
- Interfere with the results of PT/INR test only
- Pose a significant problem for all coagulation tests
When is tissue thromboplastin no longer considered a clinically significant problem?
When is tissue thromboplastin no longer considered a clinically significant problem?
- When it is mixed with blood collected in a syringe
- Unless the draw is difficult and involves a lot of needle manipulation (correct)
- When it is picked up during venipuncture
- When the draw involves a lot of needle manipulation
What is the recommended action if a coagulation test other than PT/INR or PTT/aPTT is the first or only tube collected?
What is the recommended action if a coagulation test other than PT/INR or PTT/aPTT is the first or only tube collected?
- Draw a few milliliters of blood into a nonadditive tube before it is collected (correct)
- Use a tube specifically designed to remove tissue fluid
- Throw away the sample and recollect the blood
- Collect the blood directly into the coagulation test tube
What is the purpose of a clear or discard tube in the context of blood collection?
What is the purpose of a clear or discard tube in the context of blood collection?
Signup and view all the answers
What should be done if there is no documented evidence to show that a specific coagulation test is unaffected by tissue thromboplastin?
What should be done if there is no documented evidence to show that a specific coagulation test is unaffected by tissue thromboplastin?
Signup and view all the answers
