Exam Questions and Answers | Latest
Version | 2025/2026 | Correct & Verified
Which factor primarily controls the quantity of X-ray photons produced?
A. kVp
B. mAs
C. Focal spot size
✔✔D. Exposure time
Increasing the SID (source-to-image distance) will primarily:
A. Increase patient dose
✔✔B. Decrease magnification
C. Decrease contrast
D. Increase motion artifact
Which grid ratio is most effective for absorbing scattered radiation?
A. 5:1
B. 6:1
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,✔✔C. 12:1
D. 8:1
The anode heel effect is most noticeable with:
A. Small focal spot and short SID
B. Large focal spot and long SID
✔✔C. Large field size and short SID
D. Small field size and long SID
Which factor has the greatest effect on radiographic contrast?
A. mAs
✔✔B. kVp
C. SID
D. Focal spot size
Which type of digital artifact occurs from detector malfunction?
A. Motion blur
B. Quantum noise
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,✔✔C. Dead pixel artifact
D. Grid cutoff
What is the main purpose of a compensating filter?
A. Increase magnification
✔✔B. Equalize exposure across varying tissue thicknesses
C. Reduce scatter
D. Increase spatial resolution
Which type of focal spot is used for detailed extremity imaging?
A. Large
✔✔B. Small
C. Medium
D. Variable
Increasing kVp while keeping mAs constant will:
A. Decrease penetration
✔✔B. Increase penetration
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, C. Increase patient dose
D. Reduce contrast
Which technique factor directly affects radiographic density?
✔✔A. mAs
B. kVp
C. SID
D. Grid ratio
The main purpose of the X-ray tube filament is to:
A. Produce X-rays directly
✔✔B. Produce electrons via thermionic emission
C. Focus the electron beam
D. Reduce scatter
Which component of the X-ray tube controls the size of the electron beam?
A. Filament
B. Anode target
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