Which of the Following Statements About the Nucleus of a Typical

question 30

Multiple Choice

Which of the following statements about the nucleus of a typical atom (such as a carbon atom in your little finger) is FALSE:

• A) the nucleus has an overall positive charge
• B) the nucleus takes up a very small amount of space compared to the entire atom
• C) the nucleus contains both protons and neutrons
• D) the nucleus repels the electrons which move around it
• E) the nucleus contains most of the mass of the atom

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Definitions:

Mammography

A radiographic examination of the breasts used for the early detection of breast cancer.

Mastography

An imaging technique, also known as mammography, used to examine the breast for diagnostic and screening purposes.

Curie

A unit of radioactivity, representing the activity of one gram of radium; symbol Ci.

Radiotracer

A radioactive substance used in medical imaging to diagnose and track the function of organs or to detect disease.