In 2011, the 20 Percent of Families with the Lowest

question 154

Multiple Choice

In 2011, the 20 percent of families with the lowest incomes paid an effective average federal tax rate (on all federal taxes) of about , whereas the 20 percent of families with the highest incomes paid an effective average tax rate of about .

• A) 5.5 percent; 50 percent
• B) 10.3 percent; 30.9 percent
• C) 8.4 percent; 27.5 percent
• D) 1.9 percent; 23.4 percent

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Definitions:

Chronic Illness Trajectory

The long-term pattern or course of a chronic illness, which may include periods of worsening symptoms, stability, and possibly improvement.

Illness Etiology

The study and analysis of the causes or reasons behind a particular disease or medical condition.

Chronic Obstructive Pulmonary Disease

A group of lung conditions, including emphysema and chronic bronchitis, that block airflow and make it difficult to breathe.

Inflammatory Response

The body's defense mechanism that involves blood vessels, immune cells, and inflammatory substances to eliminate the cause of injury or infection.