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Factors Influencing Radiosensitivity in Biology

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Factors Influencing Radiosensitivity in Biology

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Questions and Answers

What factor contributes to the heightened radiosensitivity in pediatric populations?

Decrease in tissue regenerative capacity

Lower metabolic activity

Decline in cellular repair mechanisms

Increased tissue vascularity (correct)

What is one of the key factors influencing radiosensitivity?

Cellular Differentiation (correct)

Chemical agents

Gender effect

Repair Mechanisms

How does aging affect the radiosensitivity of older individuals?

Decreases cellular repair mechanisms (correct)

Increases radiosensitivity

Increases cellular repair mechanisms

Enhances tissue regenerative capacity

Why are rapidly dividing cells more sensitive to radiation damage?

Radiation disrupts cell division Signup and view all the answers

In what way can gender influence radiosensitivity?

Shows subtle differences due to hormonal influences Signup and view all the answers

Which factor enhances the formation of free radicals and increases the likelihood of DNA damage?

Oxygen effect Signup and view all the answers

How do robust DNA repair mechanisms affect radiosensitivity?

Mitigate radiation-induced damage Signup and view all the answers

What type of cells are generally more radiosensitive due to having a higher proliferative capacity?

Stem cells Signup and view all the answers

Which of the following is a characteristic of radiosensitizing agents?

Interfering with DNA repair processes Signup and view all the answers

Under what conditions can cells become more radioresistant?

Hypoxic conditions Signup and view all the answers

How can radioprotective agents influence the effects of radiation?

Scavenging free radicals Signup and view all the answers

Which biological factor is not listed as influencing radiosensitivity?

Gender effect Signup and view all the answers