Toxic Substances Are Dangerous Because They

question 5

Multiple Choice

Toxic substances are dangerous because they

• A)react or interfere with specific cell functions.
• B)can physically remove or tear tissues.
• C)are usually synthetic.
• D)cause debilitating,parasitic diseases.
• E)cause excessive water accumulation in tissues.

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Definitions:

Gamma Radiation

High-energy electromagnetic radiation emitted from atomic nuclei during radioactive decay, with no mass and no charge.

Penetrating Power

The ability of a type of radiation to pass through material, affecting the extent to which different types of radiation can penetrate materials to different depths.

Belt of Stability

A term used in nuclear physics to describe the region on a chart of nuclides where stable nuclei exist, based on their neutron to proton ratio.

Beta Decay

A radioactive decay process where a beta particle (electron or positron) is emitted from an atomic nucleus, altering the original element to a different one.