So-Called "Magic Numbers" of Particles Are Thought to Convey Extra

question 72

Multiple Choice

So-called "magic numbers" of particles are thought to convey extra stability to certain nuclei. These magic numbers refer to which of the following particles?

• A) protons only
• B) electrons only
• C) positrons only
• D) neutrons only
• E) protons and neutrons

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Definitions:

Inflammation

A biological response to injury or infection, characterized by swelling, redness, pain, and sometimes loss of function.

Liver

A vital organ in the human body involved in numerous metabolic processes, including detoxification, protein synthesis, and the production of biochemicals necessary for digestion.

Upper GI Series

A series of X-rays taken of the upper digestive system, including the esophagus, stomach, and first part of the small intestine, often using a contrast medium to enhance visibility.

Barium

A chemical element, signified by the symbol Ba, used primarily in medical x-rays of the gastrointestinal tract due to its ability to absorb x-rays.