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Blood Transfer Device for Safe Blood Transfer

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Questions and Answers

In a closed-system blood transfer process, what is the benefit of using a Luer Lock on the blood transfer device?

To manually recap needles after blood extraction
To transfer blood without using a syringe needle
To keep the tube open during blood extraction
To attach the tube securely without needing to open it (correct)

What is the purpose of a blood transfer device?

To open tubes safely for blood collection
To transfer blood into tubes without using a syringe needle (correct)
To attach needles to tubes for blood extraction
To extract blood without using a needle

How is a tube inserted into another needle using a blood transfer device in the described process?

By inserting the tube from under the blood transfer device (correct)
By attaching the Luer Lock to the tube
By stabbing the tube with a needle
By removing the needle from the Luer Lock

What should never be done manually after extracting blood according to the text?

Recap needles (C) Signup and view all the answers

Why is it emphasized in the text not to open tubes during blood transfer with a blood transfer device?

To prevent contamination of the blood sample (B) Signup and view all the answers

What is the purpose of the needle cover?

To minimize pain on the patient (C) Signup and view all the answers

Why are needles designed to be sharp?

To prevent clogging of tissue when puncturing the skin (C) Signup and view all the answers

What does the gauge of a needle describe?

The diameter of the bore/lumen (D) Signup and view all the answers

When using a syringe without the needle for blood transfer, what should you do?

Dispose of the needle (B) Signup and view all the answers

What is the function of the bevel on a needle?

To ease the shaft into the skin (D) Signup and view all the answers

What is the purpose of a needle safety device?

To avoid accidental needle pricking (A) Signup and view all the answers

In closed-system techniques, what happens to the needle before blood transfer?

The hub is disconnected from the Luer lock tip (A) Signup and view all the answers

In a closed-system technique, what happens once the mechanism is activated?

The cap becomes permanently sealed (B) Signup and view all the answers

What components make up a closed-system for blood collection?

Tube Holder/Adapter and Two-Way Needle (C) Signup and view all the answers

How does a multisample needle work in a closed-system?

It closes down to cover the needle (C) Signup and view all the answers

What distinguishes a closed-system from an open system in blood collection?

In a closed-system, blood is collected directly into the tube without opening the cap (B) Signup and view all the answers

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