A Variety of Specialty Items Are Used for IR Procedures

question 2

Multiple Choice

A variety of specialty items are used for IR procedures.A Seldinger needle (18 gauge,2 3/4 inches) is commonly used for groin access.A sheath is commonly inserted at the arterial or venous puncture site.What is the function of the sheath?

• A) To protect the puncture site and vessel from damage
• B) To dilate the vessel and prevent backflow
• C) To prevent thromboembolism development
• D) To hold the guidewire and catheter in place

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Definitions:

Quantitative

Involving the measurement or assessment of quantities; relating to, measuring, or measured by the quantity of something.

Preoperational

The stage in Piaget's theory of cognitive development, occurring approximately from ages 2 to 7, characterized by the development of language and symbolic thinking but not yet capable of logical problem-solving.

Piagetian Process

An aspect of cognitive development theory defined by Jean Piaget, focusing on how children acquire knowledge and through what stages they progress.

Accommodation

In psychology, the process of modifying existing cognitive schemas, perceptions, and understanding so that new information can be integrated.