Zoology-Cancer
NEET Zoology Cancer MCQ Question
Type: MCQ-numerical-Easy-Class 12
If a patient undergoes radiotherapy where 80% of the tumor cells are lethally irradiated, what percentage of the tumor cells remain unaffected?
A
20%
B
80%
C
50%
D
10%
Correct Answer
Option A
Detailed Explanation
In radiotherapy, if 80% of the tumor cells are lethally irradiated, this means that 20% of the tumor cells remain unaffected since the total percentage must equal 100%.
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