ch 12: management of patient radiation doses Flashcards
1
Q
Digestion, cardiac movement, tremors/muscle spasms are examples of…
A
involuntary movement
2
Q
repeat rate in film screen; what was the major cause?
A
Film-screen 10-15%
Technical factors
3
Q
repeat rate in digital radiography; what are the major causes?
A
Digital 5%, up to 17%
Positioning errors, ease of repeating
4
Q
dosimeter that are most often used to determine skin dose directly
A
thermoluminescent dosimeter
5
Q
x-ray exposure to the skin of the patient
A
entrance skin exposure
6
Q
how is ESE converted
A
using well documented multiplication factors