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Questions and Answers
What is the main purpose of a butterfly needle?
What is the main purpose of a butterfly needle?
- To perform surgical procedures
- To collect blood samples (correct)
- To administer intravenous fluids
- To inject medications intramuscularly
Which of the following features distinguishes a butterfly needle from a straight needle?
Which of the following features distinguishes a butterfly needle from a straight needle?
- The needle is longer and thicker
- It has plastic wings on either side (correct)
- It has a rigid, non-flexible tubing
- It is used for intramuscular injections
What is the typical gauge size of a butterfly needle?
What is the typical gauge size of a butterfly needle?
- 14 or 16 gauge
- 21 or 23 gauge (correct)
- 25 or 27 gauge
- 18 or 20 gauge
Which of the following is NOT an advantage of using a butterfly needle?
Which of the following is NOT an advantage of using a butterfly needle?
What is the typical length of a butterfly needle?
What is the typical length of a butterfly needle?
Which feature of the butterfly needle helps to minimize discomfort during blood draws?
Which feature of the butterfly needle helps to minimize discomfort during blood draws?
What is the purpose of pumping air into the syringe during a blood draw?
What is the purpose of pumping air into the syringe during a blood draw?
What is the liquid portion of whole blood called?
What is the liquid portion of whole blood called?
What happens to the clotting proteins when blood is allowed to clot?
What happens to the clotting proteins when blood is allowed to clot?
What is the purpose of adding additives to blood collection tubes?
What is the purpose of adding additives to blood collection tubes?
Which of the following is considered 'whole blood'?
Which of the following is considered 'whole blood'?
What is the purpose of a vacutainer during the blood transfer process?
What is the purpose of a vacutainer during the blood transfer process?
What is the liquid portion of blood called after it has been allowed to clot?
What is the liquid portion of blood called after it has been allowed to clot?
Which of the following is NOT a component of whole blood?
Which of the following is NOT a component of whole blood?
What is the purpose of the clotting proteins in the body?
What is the purpose of the clotting proteins in the body?
Which of the following is NOT an additive type found in blood collection tubes?
Which of the following is NOT an additive type found in blood collection tubes?
What is the primary purpose of the wings on a butterfly needle?
What is the primary purpose of the wings on a butterfly needle?
What is the first step when using a butterfly needle for a blood draw?
What is the first step when using a butterfly needle for a blood draw?
What is the purpose of the transfer device used in a syringe blood draw?
What is the purpose of the transfer device used in a syringe blood draw?
What is the primary advantage of using a syringe for a blood draw, compared to a vacutainer system?
What is the primary advantage of using a syringe for a blood draw, compared to a vacutainer system?
When is the safety mechanism on a butterfly needle typically activated?
When is the safety mechanism on a butterfly needle typically activated?
What is the purpose of using a syringe for blood gas analysis?
What is the purpose of using a syringe for blood gas analysis?
What is the primary difference between using a butterfly needle and a syringe for a blood draw?
What is the primary difference between using a butterfly needle and a syringe for a blood draw?
What is the primary advantage of using a butterfly needle for a blood draw, compared to a straight needle?
What is the primary advantage of using a butterfly needle for a blood draw, compared to a straight needle?
When would a syringe be preferred over a vacutainer system for a blood draw?
When would a syringe be preferred over a vacutainer system for a blood draw?
What is the purpose of the 'flash' of blood seen at the connection of the needle and tubing when using a butterfly needle?
What is the purpose of the 'flash' of blood seen at the connection of the needle and tubing when using a butterfly needle?
What is the purpose of the polymer gel called a 'serum separator' in the blood collection tube?
What is the purpose of the polymer gel called a 'serum separator' in the blood collection tube?
What is the purpose of the additives in blood collection tubes (vacutainers)?
What is the purpose of the additives in blood collection tubes (vacutainers)?
What is the importance of following the 'Order of Draw' when collecting blood samples?
What is the importance of following the 'Order of Draw' when collecting blood samples?
What is the purpose of inverting the blood collection tubes (typically 8-10 times) during and after the procedure?
What is the purpose of inverting the blood collection tubes (typically 8-10 times) during and after the procedure?
What is the significance of the color-coded notch and sidebar on blood collection tubes?
What is the significance of the color-coded notch and sidebar on blood collection tubes?
What is the purpose of checking the expiration date on blood collection tubes before use?
What is the purpose of checking the expiration date on blood collection tubes before use?
What is the primary purpose of the coagulation cascade when blood leaves the body?
What is the primary purpose of the coagulation cascade when blood leaves the body?
What is the primary difference between the liquid portion of whole blood and the liquid portion of blood that has been allowed to clot?
What is the primary difference between the liquid portion of whole blood and the liquid portion of blood that has been allowed to clot?
What is the primary purpose of the formed elements (e.g., red blood cells, white blood cells, platelets) in whole blood?
What is the primary purpose of the formed elements (e.g., red blood cells, white blood cells, platelets) in whole blood?
What is the primary purpose of the clotting proteins in the blood?
What is the primary purpose of the clotting proteins in the blood?
What is the primary purpose of the liquid portion (plasma) in whole blood?
What is the primary purpose of the liquid portion (plasma) in whole blood?
What is the significance of the term 'whole blood' in the context of blood composition?
What is the significance of the term 'whole blood' in the context of blood composition?
What is the primary advantage of using a syringe for blood collection compared to a vacutainer system?
What is the primary advantage of using a syringe for blood collection compared to a vacutainer system?
What is the purpose of the transfer device used in a syringe blood draw?
What is the purpose of the transfer device used in a syringe blood draw?
Why might a syringe be preferred over a vacutainer system for patients with fragile or collapsed veins?
Why might a syringe be preferred over a vacutainer system for patients with fragile or collapsed veins?
What is the purpose of pumping air into the syringe during a blood draw?
What is the purpose of pumping air into the syringe during a blood draw?
Which of the following is an advantage of using a syringe for blood gas analysis?
Which of the following is an advantage of using a syringe for blood gas analysis?
What is the purpose of inverting the blood collection tubes (typically 8-10 times) during and after the blood draw procedure?
What is the purpose of inverting the blood collection tubes (typically 8-10 times) during and after the blood draw procedure?
What is the main difference between plasma and serum?
What is the main difference between plasma and serum?
What is the purpose of the polymer gel called a 'serum separator' in the blood collection tube?
What is the purpose of the polymer gel called a 'serum separator' in the blood collection tube?
What is the purpose of inverting the blood collection tubes (typically 8-10 times) during and after the procedure?
What is the purpose of inverting the blood collection tubes (typically 8-10 times) during and after the procedure?
What is the primary purpose of the color-coded notch and sidebar on blood collection tubes?
What is the primary purpose of the color-coded notch and sidebar on blood collection tubes?
What is the purpose of the additives in blood collection tubes (vacutainers)?
What is the purpose of the additives in blood collection tubes (vacutainers)?
What is the purpose of checking the expiration date on blood collection tubes before use?
What is the purpose of checking the expiration date on blood collection tubes before use?
What is the main purpose of a butterfly needle?
What is the main purpose of a butterfly needle?
What is the purpose of the 'flash' of blood seen at the connection of the needle and tubing when using a butterfly needle?
What is the purpose of the 'flash' of blood seen at the connection of the needle and tubing when using a butterfly needle?
What is the primary advantage of using a syringe for a blood draw, compared to a vacutainer system?
What is the primary advantage of using a syringe for a blood draw, compared to a vacutainer system?
What is the purpose of the clotting proteins in the body?
What is the purpose of the clotting proteins in the body?
What is the primary purpose of using a syringe and transfer device instead of a vacutainer system for blood collection?
What is the primary purpose of using a syringe and transfer device instead of a vacutainer system for blood collection?
Which of the following is NOT a common reason for preferring a butterfly needle over a straight needle for blood draws?
Which of the following is NOT a common reason for preferring a butterfly needle over a straight needle for blood draws?
What is the purpose of the luer lock connection on a butterfly needle?
What is the purpose of the luer lock connection on a butterfly needle?
What is the recommended action when a flash of blood is observed at the connection of the needle and tubing during a butterfly needle blood draw?
What is the recommended action when a flash of blood is observed at the connection of the needle and tubing during a butterfly needle blood draw?
Which of the following statements is TRUE regarding the safety mechanism on a butterfly needle?
Which of the following statements is TRUE regarding the safety mechanism on a butterfly needle?
What is the primary purpose of inverting the blood collection tubes (typically 8-10 times) during and after the blood draw procedure?
What is the primary purpose of inverting the blood collection tubes (typically 8-10 times) during and after the blood draw procedure?
Which of the following is NOT a typical additive found in blood collection tubes?
Which of the following is NOT a typical additive found in blood collection tubes?
What is the primary function of the serum separator (polymer gel) found in some blood collection tubes?
What is the primary function of the serum separator (polymer gel) found in some blood collection tubes?
Which of the following statements is TRUE regarding the color-coded notch and sidebar on blood collection tubes?
Which of the following statements is TRUE regarding the color-coded notch and sidebar on blood collection tubes?
What is the primary purpose of the additives in blood collection tubes?
What is the primary purpose of the additives in blood collection tubes?
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