Topic · CT physics
CT physics questions for FRCR Part 1
Practice CT acquisition, reconstruction, image quality, artefacts, and dose — the CT domain of the Part 1 syllabus.
Topics covered
Drill the CT physics areas that show up across FRCR Part 1 stems.
Acquisition geometry
Gantry, detectors, collimation, and pitch
- Third/fourth generation geometry
- Beam collimation
- Pitch and table speed
Reconstruction
Filtered back projection and iterative methods
- Filtered back projection
- Iterative reconstruction
- Kernel / filter choice
Image quality
Noise, spatial resolution, and contrast
- Noise vs dose trade-offs
- MTF and spatial resolution
- Contrast resolution
Artefacts
Common CT artefacts and mitigation
- Beam hardening
- Metal artefact
- Motion and partial volume
CT dose
CTDIvol, DLP, and dose optimisation
- CTDIvol and DLP
- Automatic exposure control
- Paediatric dose considerations
Multi-slice & dual energy
Modern scanner capabilities
- Multi-detector rows
- Dual-energy CT principles
- Spectral applications overview
How FRCRX helps with CT physics
Curriculum-aligned items
True/false stems mapped to CT physics topics tested in FRCR Part 1 Physics.
Detailed explanations
Worked reasoning with formulae and diagrams where they clarify the concept.
Topic analytics
See which CT physics subtopics lose marks so Topic Focus stays efficient.
Incorrects & bookmarks
Revisit misses instead of re-browsing the whole bank.
More FRCR physics topics
Related study
- FRCR Part 1 study guide — timeline and exam habits
- Physics formulas reference — quick constants and equations
- Pricing — full bank, mocks, and analytics
Start CT Topic Focus
Jump into CT physics practice, then clear Incorrects before your next mock.