In a Laboratory Accident, a Work Area Is Contaminated with Radioactive

question 75

Multiple Choice

In a laboratory accident, a work area is contaminated with radioactive material. Health physicists monitor the area during a 30-day period and obtain the data shown in the table. The accident occurred at time $t = 0$ days. They determine that it will not be safe for workers to enter the area until the radioactivity level has dropped to 16 counts per minute. Of the choices listed, which one is the earliest time after the accident that workers could safely return?

• A) 48 days
• B) 77 days
• C) 102 days
• D) 90 days
• E) 65 days

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Definitions:

Genetically Predetermined

Describes traits or characteristics that are set by an organism's genetic makeup before birth.

Environmental Influences

Refers to the various physical, social, and cultural factors that shape an individual's development and behavior, such as climate, pollution, and societal norms.

Fat

A macronutrient composed of triglycerides that is used by the body for energy storage and insulation.

Cholesterol

A waxy substance found in the blood and cells of the body, necessary for the formation of cell membranes and certain hormones, but high levels can increase the risk of heart disease.