An Artifact

question 117

Multiple Choice

An artifact

• A)includes over- and underexposure of the image
• B)is always due to items imaged that are not part of the anatomy (such as necklaces that were not removed)
• C)is an unwanted image seen in a radiograph
• D)none of the above

---

Definitions:

Isomers

Molecules that have the same molecular formula but differ in the arrangement of atoms, resulting in different properties.

Molecular Formula

A representation of the number and type of atoms in a molecule but not the structure.

Branched Isomers

Organic compounds having the same molecular formula but different structural formulas due to branching in the carbon chain, affecting their physical and chemical properties.

Methyl Branches

Groups consisting of one carbon atom bonded to three hydrogen atoms (-CH3), attached to the main chain of organic molecules.