Podcast Beta
Questions and Answers
Why should wrong or expired collection tubes not be used?
The manufacturer cannot warrant the quality of the seal and pressure after the expiration date.
What are some reasons for failed venipuncture attempts?
Improper seating of the tube and failure of the needle to go through the stopper.
What are some critical factors related to needle position in venipuncture?
- Needle not inserted far enough
- Bevel partially out of skin
- Bevel partially into vein
- Bevel partially through vein
- Bevel completely through vein
- Bevel against vein wall
- Needle beside vein
- Undetermined position
When do collapsed veins usually occur?
Signup and view all the answers
What is the pre-analytical testing phase in laboratory procedures?
Signup and view all the answers
What is the purpose of a laboratory test in the medical field?
Signup and view all the answers
Why should a phlebotomist avoid collecting blood from an arm with an IV line?
Signup and view all the answers
What is a reference range or reference interval used for in laboratory testing?
Signup and view all the answers
How long should blood collection from previously known IV sites be avoided?
Signup and view all the answers
What are the three types of Central Vascular Access Devices (CVADs) mentioned?
Signup and view all the answers
Why is the basal state important in establishing a reference range?
Signup and view all the answers
What is a Central Venous Catheter?
Signup and view all the answers
What factors are considered in the interpretation of reference intervals?
Signup and view all the answers
What are the responsibilities of a phlebotomist during the pre-analytical testing phase?
Signup and view all the answers
What is the purpose of a Central Venous Catheter?
Signup and view all the answers
What is the significance of the collection site in relation to an IV line?
Signup and view all the answers
What is the condition in which an individual is grossly overweight?
Signup and view all the answers
What is a solution for locating veins in obese patients with deep veins?
Signup and view all the answers
Why are vascular access devices (VADs) needed in some cases?
Signup and view all the answers
What is the purpose of an arterial line in phlebotomy?
Signup and view all the answers
Why is neither tourniquet nor venipuncture allowed in the arm with an arterial line?
Signup and view all the answers
What is the purpose of an arteriovenous shunt or fistula?
Signup and view all the answers
Where is an implanted port usually placed on the body?
Signup and view all the answers
What is a peripherally inserted central catheter (PICC)?
Signup and view all the answers
What is the purpose of a septum in an implanted port?
Signup and view all the answers
Which part of the body is a peripherally inserted central catheter (PICC) inserted into?
Signup and view all the answers
What is the function of a catheter in an implanted port?
Signup and view all the answers
How is an implanted port different from a peripherally inserted central catheter (PICC)?
Signup and view all the answers
What is the purpose of a port-a-cath system?
Signup and view all the answers
Why is it important for the septum of an implanted port to be self-sealing?
Signup and view all the answers
What is the advantage of using an implanted port over traditional IV lines?
Signup and view all the answers