Q&A

Which cells are most resistant to radiation?

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Which cells are most resistant to radiation?

Cells in late G2 and mitosis (M-phase) are the most sensitive to radiation, and cells in late synthesis (S-phase) are the most resistant (Fig. 23.10).

Can you be immune to radioactivity?

In short we probably won’t ever be immune or resistant by any natural means. But we will likely in many many many decades be effectively immune to radiation through medical advancements. In that, sub immediately lethal doses of radiation could be treated and normal health restored.

What blood cell is most sensitive to radiation?

It has meanwhile been shown that the most sensitive cells are those that are undifferentiated, well nourished, dividing quickly and highly active metabolically. Amongst the body cells, the most sensitive are spermatogonia and erythroblasts, epidermal stem cells, gastrointestinal stem cells.

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Can your immune system fight off radiation?

Radiation is most often given to just one part of the body, so the whole immune system isn’t damaged by it. Still, depending on the dose and the part of the body being treated with radiation, the skin or mucous membranes may be damaged, so you’re less able to keep germs out.

What is the most radiation resistant material?

lead
The only factor that matters when it comes to x-ray shielding is density. This is why lead aprons and blankets are the most effective shielding material to fight off x-rays and gamma-ray. After all, lead has a very high number of protons in each atom (82 to be specific), which makes it a very dense metal shield.

Can any animals survive radiation?

Scientists found a new species of tardigrade that protects itself from UV radiation with the help of a naturally occurring fluorescence in its body. Tardigrades, popularly known as water bears, are tiny animals that can survive extreme pressure, heat, cold, and radiation which would be lethal for many other creatures.

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Which of the following tissue is the most vulnerable to radiation damage?

The tissues most affected by radiation are those that undergo rapid replacement, such as bone marrow, the lining of the gastrointestinal tract, and skin. Slower-growing tissues, such as those of the brain and liver, require either high doses of radiation or prolonged exposure before they show symptoms of degeneration.

Does radiation make you more susceptible to Covid?

Q3: Does receiving chemotherapy or radiation raise your risk for getting COVID-19 or having a more serious course of illness? To date, limited evidence is available to suggest that any cancer treatments raise your risk for getting COVID-19 any more or less than anyone else who is exposed to the virus.

What material can block all radiation?

The only factor that matters when it comes to x-ray shielding is density. This is why lead aprons and blankets are the most effective shielding material to fight off x-rays and gamma-ray. After all, lead has a very high number of protons in each atom (82 to be specific), which makes it a very dense metal shield.

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