Physics Ch. 23 - Radiographic Artifacts
Latest 2026-2027 Questions and
Answers
Any false visual feature on a medical image that simulates
tissue or obscures tissue - Correct Answers ✅Artifact
Artifacts interfere with _____ and must be avoided - Correct
Answers ✅Diagnosis
Three types or artifacts - Correct Answers ✅Image
receptor, software, and object artifacts
DR and CR image receptors should last for? - Correct
Answers ✅The life of the imaging system
Should include regular documentation of imaging frequency,
imaging performance, and the physical condition of each
image receptor, to reduce artifact appearance and help
prevent failure - Correct Answers ✅Routine quality control
Occurs because of incomplete erasure of a previous image on
a CR image receptor - Correct Answers ✅Ghost images
Artifacts such as dead pixels, dead rows, or dead columns of
pixels are fixed where? - Correct Answers ✅Preprocessing
Dead pixels can also be referred to as a? - Correct Answers
✅Drop-out artifact
, Physics Ch. 23 - Radiographic Artifacts
Latest 2026-2027 Questions and
Answers
The process of assigning a value to a dead pixel based on the
recorded values of adjacent pixels - Correct Answers
✅Interpolation
With an irregular pattern, a preprocessing manipulation
known as ______ is performed, resulting in a uniform response
to a uniform x-ray beam - Correct Answers ✅Flatfielding
Flatfielding is a preprocessor software correction that is
performed to? - Correct Answers ✅Equalize the response
of each pixel to a uniform x-ray beam
The practice of leaving cassettes in a supposedly _______ area
in an x-ray room during an examination must be discouraged
- Correct Answers ✅"Radiation-safe"
Transmitting and archiving studies that may be upwards of
200mb can be technically difficult, thus __________ should be
used - Correct Answers ✅Compression techniques
Approximate digital file sizes for computed and digital
radiography - Correct Answers ✅20mb
Latest 2026-2027 Questions and
Answers
Any false visual feature on a medical image that simulates
tissue or obscures tissue - Correct Answers ✅Artifact
Artifacts interfere with _____ and must be avoided - Correct
Answers ✅Diagnosis
Three types or artifacts - Correct Answers ✅Image
receptor, software, and object artifacts
DR and CR image receptors should last for? - Correct
Answers ✅The life of the imaging system
Should include regular documentation of imaging frequency,
imaging performance, and the physical condition of each
image receptor, to reduce artifact appearance and help
prevent failure - Correct Answers ✅Routine quality control
Occurs because of incomplete erasure of a previous image on
a CR image receptor - Correct Answers ✅Ghost images
Artifacts such as dead pixels, dead rows, or dead columns of
pixels are fixed where? - Correct Answers ✅Preprocessing
Dead pixels can also be referred to as a? - Correct Answers
✅Drop-out artifact
, Physics Ch. 23 - Radiographic Artifacts
Latest 2026-2027 Questions and
Answers
The process of assigning a value to a dead pixel based on the
recorded values of adjacent pixels - Correct Answers
✅Interpolation
With an irregular pattern, a preprocessing manipulation
known as ______ is performed, resulting in a uniform response
to a uniform x-ray beam - Correct Answers ✅Flatfielding
Flatfielding is a preprocessor software correction that is
performed to? - Correct Answers ✅Equalize the response
of each pixel to a uniform x-ray beam
The practice of leaving cassettes in a supposedly _______ area
in an x-ray room during an examination must be discouraged
- Correct Answers ✅"Radiation-safe"
Transmitting and archiving studies that may be upwards of
200mb can be technically difficult, thus __________ should be
used - Correct Answers ✅Compression techniques
Approximate digital file sizes for computed and digital
radiography - Correct Answers ✅20mb
