TSO X-Ray Image Interpretation 2

Question 1

On an X-ray image, organic materials such as food and plastic typically appear in which color?

Accepted Answer

Orange or amber

Answer

Blue or green

Answer

Black

Answer

White

Question 2

A bag shows a dense, irregularly shaped white mass surrounded by wiring. What is the MOST appropriate first action?

Accepted Answer

Alarm the lane and call for a supervisor or EOD

Answer

Pass the bag through a second time

Answer

Ask the passenger what is inside

Answer

Clear the bag and note it for post-screening review

Question 3

Which X-ray feature best helps distinguish a firearm from similarly shaped metal objects?

Accepted Answer

The characteristic shape including barrel, trigger guard, and grip outline

Answer

The overall weight of the bag

Answer

The color of the object on screen

Answer

The position of the object within the bag

Question 4

What does the term 'superimposition' mean in the context of X-ray image interpretation?

Accepted Answer

Multiple items overlapping, making individual objects harder to identify

Answer

An image taken from two different angles simultaneously

Answer

The automatic enhancement of bright areas by the X-ray machine

Answer

A deliberate concealment technique using lead-lined bags

Question 5

A TSO notices a laptop-sized object that displays as a solid, uniformly dark rectangle with no internal components visible. This should raise suspicion because:

Accepted Answer

Legitimate laptops show complex internal components such as batteries and circuit boards

Answer

Dark objects always indicate explosives

Answer

Laptops are prohibited in carry-on baggage

Answer

Uniformly colored objects cannot be X-rayed accurately

Question 6

Which of the following best describes the purpose of using the 'organic stripping' or color-inversion function on an X-ray machine?

Accepted Answer

To remove organic material colors from the image and highlight inorganic or metallic items

Answer

To increase the brightness of the entire image

Answer

To detect liquids hidden in clothing

Answer

To print a hard copy of the image for record-keeping

Question 7

When an X-ray image shows thin, flat rectangular metal sheets stacked together inside a bag, a TSO should consider the possibility of:

Accepted Answer

Sheet explosives such as PETN-based flex explosive concealed within innocent-looking items

Answer

Standard aluminum food packaging

Answer

A set of metal rulers or straightedges

Answer

Currency wrapped in foil