A Nonthreshold Dose-Response Curve Suggests That

question 34

Multiple Choice

A nonthreshold dose-response curve suggests that

• A)radiation exposure below the threshold will not damage tissues.
• B)radiation exposure below the threshold is safe for living tissue.
• C)radiation exposure above the threshold amount causes some damage to tissues.
• D)radiation exposure,no matter how small,causes damage to living tissue.

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Definitions:

Epithelial Tissue

A type of tissue that lines the outer surfaces of organs and blood vessels throughout the body, as well as the inner surfaces of cavities in many internal organs.

Highly Vascular

Refers to tissues or organs with a high density of blood vessels, facilitating efficient blood flow and nutrient delivery.

Heals Well

Refers to the capacity of an organism, especially human skin and tissues, to recover from injuries or wounds effectively.

Scar

A mark left on the skin or within body tissue where a wound, burn, or sore has not healed completely and fibrous connective tissue has developed.