What Is Thought to Be the Primary Method of Damage

question 6

Multiple Choice

What is thought to be the primary method of damage caused by acute radiation exposure?

• A) Free radicals and ions damage enzymes and DNA.
• B) Heating of cell liquids from the streaming of radioactive particles.
• C) Radioisotopes become lodged in cell tissues, causing them to degrade.
• D) The penetrating power of the radiation pushes cell membranes causing them to rupture.
• E) None of the above.

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Definitions:

Essential Nutrient

Nutrients required for normal body functioning that cannot be synthesized by the body and must be obtained from a dietary source.

Cells

The smallest living units of structure and function.

Amino Acids

Organic compounds that combine to form proteins, serving as the building blocks of life with critical roles in gene expression, enzyme function, and cellular structure.

Lipoproteins

Large molecules that are fat-soluble on the inside and water-soluble on the outside and carry lipids such as cholesterol and triglycerides through the bloodstream.