Image Evaluation

Question 1

What are x rays

Answer 1

Silhouettes/densities which are representations of structures the X-ray beam had passed through

Question 2

What is darkness/density determined by

Answer 2

The attenuation coefficient (thickness and atomic number) of structures the x-ray beam passed through

Question 3

Attenuation

Answer 3

Primary radiation is changed or absorbed as it travels through patient

Question 4

Radiolucent

Answer 4

Material that allows x-ray photons to pass through easily (air)

Question 5

Radiopaque

Answer 5

Material that does not allow x- ray photons to pass through easily (bone)

Question 6

Image density

Answer 6

Amount of blackening within image

Question 7

Physical density

Answer 7

Density of structure. Bone has high density when compared with soft tissue

Question 8

Fracture density wise e.g wrist fracture

Answer 8

Bone around fracture appear more white

= bone fragments overlapped= increases attenuation