Podcast
Questions and Answers
What does the Capillary Resistance Test detect?
What does the Capillary Resistance Test detect?
- Platelet aggregation using aggregating agents and an aggregometer
- Platelet adhesiveness using Glass Bead Retention Test
- Abnormalities in capillary walls or thrombocytopenia (correct)
- Abnormalities in platelet number and function
What is the purpose of the Lee-White whole blood clotting time test?
What is the purpose of the Lee-White whole blood clotting time test?
- To measure the time for venous blood to form a solid clot. (correct)
- To test for dysfibrinogenemia
- To screen for factor deficiencies in the intrinsic and common pathways.
- To measure the time for blood to clot after calcium is added to platelet-poor plasma
What is the primary concern in specimen collection for hemostasis testing?
What is the primary concern in specimen collection for hemostasis testing?
- Preventing contamination with tissue thromboplastin (correct)
- Hemolysis
- Using an inappropriate container
- Improper temperature
Which of the following can cause false shortening of clotting tests in hemostasis testing?
Which of the following can cause false shortening of clotting tests in hemostasis testing?
What does the Lee-White whole blood clotting time measure?
What does the Lee-White whole blood clotting time measure?
Which type of needle is most commonly used for hemostasis sample collection?
Which type of needle is most commonly used for hemostasis sample collection?
Which method is used to measure Bleeding Time?
Which method is used to measure Bleeding Time?
Which of the following is released from injured cells and activates thromboplastin?
Which of the following is released from injured cells and activates thromboplastin?
Which pathway(s) of blood coagulation does the activated partial thromboplastin time screen for factor deficiencies in?
Which pathway(s) of blood coagulation does the activated partial thromboplastin time screen for factor deficiencies in?
What does the plasma recalcification time measure?
What does the plasma recalcification time measure?
Which anticoagulant is preferred for coagulation testing?
Which anticoagulant is preferred for coagulation testing?
Which pathway does the activated partial thromboplastin time screen for factor deficiencies in?
Which pathway does the activated partial thromboplastin time screen for factor deficiencies in?
What is the purpose of the prothrombin time test?
What is the purpose of the prothrombin time test?
What does Platelet Aggregation Test measure?
What does Platelet Aggregation Test measure?
What is the ideal ratio of blood to anticoagulant for patients with normal hematocrit?
What is the ideal ratio of blood to anticoagulant for patients with normal hematocrit?
What is the ideal ratio of blood to anticoagulant for coagulation testing?
What is the ideal ratio of blood to anticoagulant for coagulation testing?
What does the prothrombin time test for?
What does the prothrombin time test for?
What is the Platelet Estimation on Peripheral Blood Smear used for?
What is the Platelet Estimation on Peripheral Blood Smear used for?
Which anticoagulant is unsuitable for coagulation testing?
Which anticoagulant is unsuitable for coagulation testing?
What does the international normalized ratio provide a means of standardizing?
What does the international normalized ratio provide a means of standardizing?
Which factor is unstable in the presence of EDTA?
Which factor is unstable in the presence of EDTA?
What are the Aggregation Disorders mentioned in the text?
What are the Aggregation Disorders mentioned in the text?
What can cause prolonged clotting times in hemostasis testing?
What can cause prolonged clotting times in hemostasis testing?
Which test is used to distinguish factor deficiencies and involves testing normal plasma, adsorbed plasma, and aged serum?
Which test is used to distinguish factor deficiencies and involves testing normal plasma, adsorbed plasma, and aged serum?
What is the purpose of the international normalized ratio?
What is the purpose of the international normalized ratio?
Which anticoagulant is unsuitable for coagulation testing?
Which anticoagulant is unsuitable for coagulation testing?
What are some other tests used in hemostasis testing?
What are some other tests used in hemostasis testing?
What conditions can the results of hemostasis tests indicate?
What conditions can the results of hemostasis tests indicate?
What is the Clot Retraction Time used for?
What is the Clot Retraction Time used for?
What is the preferred concentration of sodium citrate for coagulation testing?
What is the preferred concentration of sodium citrate for coagulation testing?
What is the recommended centrifugation speed and time for obtaining platelet-poor plasma?
What is the recommended centrifugation speed and time for obtaining platelet-poor plasma?
What is the substitution assay used for?
What is the substitution assay used for?
Which test measures the time for blood to clot after calcium is added to platelet-poor plasma?
Which test measures the time for blood to clot after calcium is added to platelet-poor plasma?
Which diseases are mentioned in the text?
Which diseases are mentioned in the text?
What is the recommended centrifugation speed and time to obtain platelet-poor plasma?
What is the recommended centrifugation speed and time to obtain platelet-poor plasma?
What is the Platelet Adhesiveness used for?
What is the Platelet Adhesiveness used for?
What pathways of blood coagulation does the prothrombin time test screen for factor deficiencies in?
What pathways of blood coagulation does the prothrombin time test screen for factor deficiencies in?
What conditions can be indicated by the results of hemostasis tests?
What conditions can be indicated by the results of hemostasis tests?
Study Notes
- Bleeding time measures time for a standard wound to stop bleeding.
- Methods for Bleeding Time: Modified Duke Method and Ivy Method.
- Platelet Count detects abnormalities in platelet number and function.
- Capillary Resistance Test detects abnormalities in capillary walls or thrombocytopenia.
- Clot Retraction Time measures the time for the clot to retract from the walls of the tube.
- Platelet Estimation on Peripheral Blood Smear uses a formula to estimate platelet count.
- Platelet Aggregation Test measures platelet aggregation using aggregating agents and an aggregometer.
- Platelet Adhesiveness uses Glass Bead Retention Test to detect platelet adhesiveness.
- Aggregation Disorders include Adhesion Defects and Abnormalities in Risotocetin.
- Diseases: Hemophilia, von Willebrand disease, and Glanzmann's thrombasthenia.
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Description
Test your knowledge on bleeding disorders and platelet function with this informative quiz. Explore different methods for bleeding time and platelet count, as well as tests for platelet aggregation and adhesiveness. Learn about common aggregation disorders and diseases like Hemophilia, von Willebrand disease, and Glanzmann's thrombasthenia. Sharpen your understanding of these important medical concepts and challenge yourself with this quiz.
