Podcast
Questions and Answers
Which of the following is the most recommended anticoagulant concentration for coagulation studies?
Which of the following is the most recommended anticoagulant concentration for coagulation studies?
- 3.2% sodium citrate (correct)
- 0.109M sodium citrate
- 3.8% sodium citrate
- 1.5 mg/mL EDTA
What is the purpose of using EDTA in blood collection tubes?
What is the purpose of using EDTA in blood collection tubes?
- To prevent coagulation by binding calcium in the blood
- To measure packed cell volume (PCV)
- To clump white blood cells and platelets
- To preserve cellular morphology if a blood smear is made immediately (correct)
Which type of EDTA is recommended by CLSI and ICSH for hematology tests?
Which type of EDTA is recommended by CLSI and ICSH for hematology tests?
- Na2EDTA (versene)
- Sodium citrate
- K3EDTA (sequestrene)
- K2EDTA (spray dried) (correct)
What is the purpose of using heparin in blood collection?
What is the purpose of using heparin in blood collection?
What is the purpose of using sodium citrate as an anticoagulant?
What is the purpose of using sodium citrate as an anticoagulant?
What is the potential issue with underfilling a blood collection tube containing EDTA?
What is the potential issue with underfilling a blood collection tube containing EDTA?
What is the primary function of oxalates in blood collection tubes?
What is the primary function of oxalates in blood collection tubes?
Which anticoagulant is commonly used for blood banking and has a lifespan of 35 days?
Which anticoagulant is commonly used for blood banking and has a lifespan of 35 days?
Which substance is used as an antiglycolytic agent to prevent glycolysis in blood samples?
Which substance is used as an antiglycolytic agent to prevent glycolysis in blood samples?
Which of the following tests can be affected by the use of potassium oxalate as an anticoagulant?
Which of the following tests can be affected by the use of potassium oxalate as an anticoagulant?
What is the primary advantage of using serum instead of plasma for laboratory testing?
What is the primary advantage of using serum instead of plasma for laboratory testing?
Which of the following statements about serum is true?
Which of the following statements about serum is true?
Which statement about combination systems for blood collection is correct?
Which statement about combination systems for blood collection is correct?
What is the primary function of anticoagulants in blood collection tubes?
What is the primary function of anticoagulants in blood collection tubes?
Which of the following tests requires the use of an anticoagulant such as EDTA?
Which of the following tests requires the use of an anticoagulant such as EDTA?
What is the primary mechanism by which anticoagulants like EDTA prevent clotting?
What is the primary mechanism by which anticoagulants like EDTA prevent clotting?
Which of the following tests is typically performed on a blood sample collected in a tube containing an anticoagulant?
Which of the following tests is typically performed on a blood sample collected in a tube containing an anticoagulant?
Which of the following statements about erythrocytes (red blood cells) is correct?
Which of the following statements about erythrocytes (red blood cells) is correct?
