Chapter 8-9

Question 1

define transmisison

Answer 1

• the incoming x-ray photon passes through the anatomic part of the body without any interaction with the atomic structures
• when the photon passes through the patient and hits the IR

Question 2

define tissue density

Answer 2

• compactness of the cellular structures
• how many layers of tissue does a body part carry
• Ex.) the pelvis has more tissues than the abdomen
• Ex.) the glutes have more tissues than the knee

Question 3

define secondary electron

Answer 3

• secondary photon
• the photon that is shot out after ionization with the atom
• also known as compton

Question 4

define scattering

Answer 4

• when incoming photons are lose energy during interactions with matter