QUESTIONS AND ANSWERS
of the following technical factors, which, if any, serve(s) o
simultaneously affect overall quality and quantity of the X-ray
beam?
1. kVp
2. OID
3. HVL
A. all of the above
B. Non of the above
C. 3 only
D. 1 & 3 -
correct answer ✅D. 1 & 3
Which of the following is an example of a primary barrier?
Lead apron
Lead gloves
Exposure room wall
,ARRT STUDY KAHOOT EXAM
QUESTIONS AND ANSWERS
Control booth -
correct answer ✅Exposure room wall
If a given exposure rate at 40 inches SSD is 80R/min,what is the rate
at 72 inches?
24.69 R/min
56 R/min
280 R/min
16 R/min -
correct answer ✅24.69 R/min
Avascular tumors are treated with hyperbaric (increased oxygen
concentration) therapy because:
oxygen helps repair radiation burns
tumors are more sensitive in oxygenated conditions
tumors are less sensitive in oxygenated conditions
, ARRT STUDY KAHOOT EXAM
QUESTIONS AND ANSWERS
hyperbaric therapy aids patient comfort level -
correct answer ✅tumors are more sensitive in oxygenated
conditions
The difference between gamma rays and x-rays is:
size
source
penetrating ability
charge -
correct answer ✅source
The maximum annual exposure for the general population is __,
5 (mSv)/yr
50 mSv/y
500 mSv/yr
0.5 mSv/yr -
correct answer ✅5 (mSv)/yr