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SELF/Intraosseous Access/Placement and Procedure Quiz

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▼Created by the West African College of Surgeons for the Surgical Education Learners Forum.Please see the Terms of Use and do not edit without permission.
Instructions

Work through each question carefully to choose the best answer, and submit the quiz to view your results. After completing the quiz, read through the answer explanations to review the reasoning behind both correct and incorrect options.

1

Which IO needle size is most appropriate for an adult with normal tissue depth?

Blue 25 mm
Pink 15 mm
Yellow 45 mm
Any size can be used if inserted firmly

2

You are setting up IO access during a resuscitation in a sterile field. Which preparation sequence best ensures readiness and maintains sterility?

Assemble IO device → prime tubing → don sterile gloves → clean site
Don sterile gloves → assemble IO device → prime extension tubing with saline → clean insertion site → insert IO
Assemble device after inserting needle to reduce time
Clean insertion site → don sterile gloves → assemble and prime device

3

Why is a pressure infuser or fluid bag compression needed for IO infusions?

It helps fluid overcome resistance within the marrow cavity
It prevents air bubbles entering the bone cavity
It keeps the IO needle stable
It reduces the risk of extravasation

4

When choosing between proximal tibia and proximal humerus sites in an adult, what is a sound reason to prefer the humerus?

The tibia cannot be used in adults
The humeral cortex is always thinner and easier to puncture
The humerus is less likely to cause pain
The humeral site can provide faster central circulation access

5

What is the purpose of checking IO flow immediately after insertion and before securing the line?

To confirm placement in the medullary cavity and ensure resistance-free infusion
To reduce risk of fluid overload
To test patient tolerance to pressure infusion
To determine if the line can remain for more than 24 hours


Page data
Keywords surgery, health
SDG SDG03 Good health and well-being
Authors Global Surgical Training Challenge
License CC-BY-SA-4.0
Organizations WACS, SELF
Language English (en)
Related 0 subpages, 0 pages link here
Redirects WACS Training Modules/Intraosseous Access/Placement and Procedure Quiz
Views 9 page views (analytics)
Created October 6, 2025 by KatKor
Last edit March 9, 2026 by Ian-laurel
Cite as KatKor (2025–2026). "SELF/Intraosseous Access/Placement and Procedure Quiz". Appropedia. Retrieved June 4, 2026.
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