Question
Radiodiagnosis and Radiotherapy Question on Radiotherapy
A woman with endometrial carcinoma is undergoing radiotherapy. Which of the following is true?
A
Intensity is inversely proportional to the square of the distance from the source
B
Small blood vessels are most radioresistant
C
Rapidly proliferating cells are most radioresistant
D
Small intestinal mucosa is most radio-resistant
Answer
Intensity is inversely proportional to the square of the distance from the source
Explanation
Solution
The correct option is (A): Intensity is inversely proportional to the square of the distance from the source