In MRI, the center of k-space primarily determines which characteristic of the final image?
- A Image contrast ✓
- B Spatial resolution
- C Signal-to-noise ratio
- D Scan time
Correct answer: A. Image contrast
Explanation
The center of k-space contains low spatial frequency data that determines image contrast, while the periphery contains high spatial frequency data that determines spatial resolution. This is why motion artifacts, which affect the center of k-space, predominantly degrade contrast.
Reference: MRI in Practice, 5th ed.
High-yield for: NEET PGINI-CETNExTFMGEUSMLEPLABMRCP
Written and medically reviewed by the StethoPrep medical team.