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Radiation and Tissues

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Questions and Answers

What is LET?

The amount of oxygen in tissues
The amount of radiation absorbed in a given section of tissue
The amount of x-ray energy transferred on average per the length of passage through the tissue (correct)
The amount of radiation absorbed by a patient

What is the oxygen effect?

The amount of radiation absorbed in tissues with low oxygen
The amount of radiation absorbed in tissues with high oxygen
The sensitivity of highly oxygenated tissues to radiation (correct)
The sensitivity of poorly oxygenated tissues to radiation

Which type of radiation can do more biological damage?

Radiation with high LET (correct)
Radiation with low LET
Radiation with high OER
Radiation with low OER

What risks are associated with radiation exposure during pregnancy?

Increased risk of congenital defects in the child (B) Signup and view all the answers

Who was Alice Stewart and what did she demonstrate in her research?

She was an English researcher who demonstrated a fourteenfold increase in the incidence of childhood leukemia among children exposed to radiation in utero (C) Signup and view all the answers