Answer:
95%
Step-by-step explanation:
The complete question is as follows:
The lethal tumor dose is defined as the dose that will eradicate what percentage of the tumor yet preserve normal tissue?
a) 85%
b) 95%
c) 65%
d) 75%
- Radiation dose is used as a therapy of cancer as the radiation leads to the breakage of the DNA and hence, renders the cell incapable of growth and division.
- Lethal tumor dose is defined as the dose of radiation that is required for the production of complete eradication of tumor.
- The dosage of the radiation depends on the sensitivity of the target tissues to radiation along with the size of the tumor.
- The lethal tumor dose is defined as the dose that will eradicate 95% of the tumor however it would still preserve the normal tissue.