Podcast
Questions and Answers
What is the primary use of a tube containing EDTA?
What is the primary use of a tube containing EDTA?
- Clotting time tests
- Glucose testing
- von Willebrand Factor Antigen measurement
- Hematology tests (correct)
If a blood sample is collected in a green-topped tube, which type of test is most likely to be performed?
If a blood sample is collected in a green-topped tube, which type of test is most likely to be performed?
- Electrolyte panel
- Complete blood count
- Coagulation studies (correct)
- Glucose level assessment
For accurate glucose testing with an Oxalate Fluoride tube, what sample type is acceptable?
For accurate glucose testing with an Oxalate Fluoride tube, what sample type is acceptable?
- Whole blood or Plasma (correct)
- Whole blood only
- Plasma only
- Serum only
What is the required concentration of EDTA in a blood sample?
What is the required concentration of EDTA in a blood sample?
What is a critical concern regarding the volume of blood in tubes used for coagulation studies?
What is a critical concern regarding the volume of blood in tubes used for coagulation studies?
What color is the tube commonly used for general biochemistry tests like bile acids?
What color is the tube commonly used for general biochemistry tests like bile acids?
Which anticoagulant is present in tubes that are typically lavender or red?
Which anticoagulant is present in tubes that are typically lavender or red?
A test measuring Prothrombin Time(PT) is ordered. What color should the tube be?
A test measuring Prothrombin Time(PT) is ordered. What color should the tube be?
For a glucose test, which anticoagulant is used, and what are the possible tube colors?
For a glucose test, which anticoagulant is used, and what are the possible tube colors?
Which tube type is used to test for the von Willebrand Factor Antigen?
Which tube type is used to test for the von Willebrand Factor Antigen?
What is the required concentration of EDTA per milliliter of blood?
What is the required concentration of EDTA per milliliter of blood?
Which of these tubes contains an anti-coagulant?
Which of these tubes contains an anti-coagulant?
Which of the following is a measurement of blood clotting time?
Which of the following is a measurement of blood clotting time?
If a biochemistry test for enzymes is required, which tube should be used?
If a biochemistry test for enzymes is required, which tube should be used?
Why is it important to fill test tubes to the specified fill line?
Why is it important to fill test tubes to the specified fill line?
Flashcards
Lavender/Red Tube
Lavender/Red Tube
This tube contains EDTA, an anticoagulant used for hematology tests. It prevents blood clotting by binding to calcium.
Green Tube
Green Tube
These tubes contain sodium citrate, an anticoagulant used in clotting studies. It prevents blood clotting by binding to calcium.
Yellow or Grey Tube
Yellow or Grey Tube
This tube contains oxalate fluoride, an anticoagulant and antiglycolytic agent. It prevents blood clotting and glucose breakdown.
EDTA Anticoagulant
EDTA Anticoagulant
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Capillary Blood Sample
Capillary Blood Sample
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Plain Tubes (BROWN/CLEAR)
Plain Tubes (BROWN/CLEAR)
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Heparin Tubes (ORANGE)
Heparin Tubes (ORANGE)
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EDTA Tubes (LAVENDER/RED)
EDTA Tubes (LAVENDER/RED)
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Fluoride Oxalate Tubes (YELLOW/GREY)
Fluoride Oxalate Tubes (YELLOW/GREY)
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Sodium Citrate Tubes (GREEN)
Sodium Citrate Tubes (GREEN)
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Prothrombin Time (PT)
Prothrombin Time (PT)
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Activated Partial Thromboplastin Time (APTT)
Activated Partial Thromboplastin Time (APTT)
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von Willebrand Factor Antigen
von Willebrand Factor Antigen
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Filling Tubes to Line
Filling Tubes to Line
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Thorough Mixing
Thorough Mixing
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Study Notes
أنابيب سحب الدم ومضادات التجلط
- أنابيب سحب الدم لونها يحدد نوع مضاد التجلط المضاف لها.
- الأنابيب البنية أو الشفافة (BROWN/CLEAR) تُستخدم للفحوصات الكيميائية العامة (General Biochemistry) مثل أحماض الصفراء، علم الأمصال، وعلم الغدد الصماء.
- أنابيب برتقالية (ORANGE) تحتوي على هيبارين، مستخدمة لفحوصات بيوكيميائية، بما في ذلك الإنزيمات و البوتاسيوم. يُستخدم تركيز 10-20 وحدة دولية لكل مل من الدم.
- أنابيب أرجوانية أو حمراء (LAVENDER/RED) تحتوي على EDTA، تُستخدم لفحوصات أمراض الدم (Hematology). التركيز المطلوب 1.5 ملغ لكل مل من الدم.
- أنابيب صفراء أو رمادية (YELLOW/GREY) تحتوي على أكسالات الفلوريد، تُستخدم لفحوصات الجلوكوز، والعينة عادةً دم كامل أو بلازما.
- أنابيب خضراء (GREEN) تحتوي على سيترات الصوديوم، تُستخدم لفحوصات تخثر الدم (Clotting Times) مثل PT و APTT وقياس عامل فون ويلبراند. التركيز 1 مل لكل 9 مل من الدم أو 1 مل لكل 4 مل من الدم.
- يجب ملء الأنابيب حتى خط الامتلاء المحدد
- يجب خلط العينة جيدًا بعد السحب
- حجم العينة غير الصحيح يمكن أن يؤثر على نتائج الاختبار بشكل ملحوظ، خاصةً اختبارات تخثر الدم.
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