Question
Radiodiagnosis and Radiotherapy Question on Radio-diagnostic tools
Cancer patient undergoes radiotherapy, pick the true statement for radiosensitivity of tissues ?
A
Rapidly dividing cells are resistant to radiation
B
GI mucosa is one of the most radioresistant tissues in the body
C
The intensity of radiation is inversely proportional to the square of distance from the source
D
Small blood vessels are least resistant to radiation
Answer
The intensity of radiation is inversely proportional to the square of distance from the source
Explanation
Solution
The correct option is (C): The intensity of radiation is inversely proportional to the square of distance from the source.