radiography

Question 1

sclerosis

Answer 1

bone increases in density

Question 2

lysis

Answer 2

inside bones- bone decreases in density. also called lytic lesions

Question 3

CT scan

Answer 3

attenuation depends on density, not tissue type

Question 4

hounsfield scale

Answer 4

from -1000 to 1000. related to density- air is -1000 and metal is 1000

Question 5

ultrasound

Answer 5

relies on soundwaves reflecting back from tissue to create and image. different densities reflect soundwaves differently.

Question 6

MRI

Answer 6

best for addressing soft tissues. measures the number of hydrogen ions