In 2009, the U

question 156

Multiple Choice

In 2009, the U.S.had a budget deficit of approximately

• A)$161 billion.
• B)$459 billion.
• C)$800 billion.
• D)$1.4 trillion.

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Definitions:

Radioactive Substances

Materials containing or emitting radiation due to the disintegration of atomic nuclei, often used in medical treatments and scientific research.

CT Scan

Short for Computed Tomography Scan, a diagnostic imaging procedure that uses a combination of X-rays and computer technology to produce cross-sectional images of the body.

Radiology

A medical specialty that uses imaging techniques such as X-rays, CT scans, and MRI to diagnose and sometimes treat diseases.

Roentgen Diagnosis

The use of X-rays to diagnose diseases or abnormalities within the body, named after Wilhelm Roentgen who discovered X-rays.