Which of the following is true of the fMRI technique?
A) The fMRI technique has a lower spatial resolution than does the CT scan.
B) The PET scan has a better spatial resolution than does the CT scan.
C) The fMRI technique is based on the rapid acquisition of multiple PET scans.
D) fMRI scans have a better spatial resolution than do PET scans.
E) fMRI scans require days to complete.

Question

Quizplus · Accepted Answer

fMRI scans have a better spatial resolution than do PET scans. fMRI technique is based on the measurement of changes in blood oxygenation levels, which allows for greater spatial resolution than PET scans that rely on radioisotopes. CT scans have a higher spatial resolution than fMRI scans, so option A is incorrect. Option B is incorrect as PET scans have a lower spatial resolution than CT scans. Option C is false as fMRI scans are not based on the acquisition of multiple PET scans. Option E is incorrect as fMRI scans typically take only a few minutes to complete.

Which of the Following Is True of the FMRI Technique