Billy Is a Four-Year-Old Boy

question 45

Multiple Choice

Billy is a four-year-old boy. He has trouble walking and running like other children his age, and he sleeps through most of the day. He is diagnosed with multiple sclerosis. Billy's condition is the result of _____.

• A) the abnormal lengths of the axons
• B) a disruption in his myelin sheaths
• C) the presence of an extra copy of chromosome 21
• D) a disruption in his rapid eye movement sleep

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Definitions:

Equal Protection

A legal principle, under the Fourteenth Amendment, that requires states to treat all individuals within its jurisdiction with equal application of the law.

Superfund

A United States federal government program designed to fund the cleanup of sites contaminated with hazardous substances and pollutants.

Toxic Waste Sites

Locations where hazardous waste is stored, treated, or disposed of, posing risks to human health and the environment.

Comprehensive Environmental Response

A legislative framework aimed at facilitating the cleanup of sites contaminated with hazardous substances, also known as the Superfund.