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Venipuncture Needle Quiz

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Questions and Answers

What is the relationship between needle gauge and diameter?

All gauges have the same diameter.
A lower gauge indicates a larger diameter. (correct)
A higher gauge indicates a larger diameter.
The diameter is unrelated to gauge size.

Which component of the needle allows for proper blood flow during venipuncture?

Threaded hub
Rubber sleeve
Shaft
Bevel (correct)

What color code corresponds to a 22 gauge needle?

Blue
Black (correct)
Pink
Green

In multiple draw needles, what is the primary benefit?

<p>They allow blood collection into vacuum tubes during a single puncture. (C)</p> Signup and view all the answers

Which of the following lengths is NOT commonly used for venipuncture needles?

<p>2 inches (D)</p> Signup and view all the answers

Flashcards

Needle Gauge

The inner measurement of a needle's opening, determining its size and related to the color coding.

Venipuncture Needle

A specialized needle used for drawing blood from a vein.

Multiple Draw Needle

A needle designed for blood collection in vacuum collection tubes.

Needle Size (Gauge)

The size of the needle opening, measured by gauge number, the smaller the number, the larger the opening. For example: 21 gauge is smaller than 26 gauge.

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Needle Components

Key parts of a needle including: tip, bevel, shaft, hub, sleeve.