Which factor is least likely to affect the results and interpretation of a functional mri? a> cancerous growthb> prescription medicationc> sprained ankled> caffeinated soda

There has a study that suggested that caffeinated soda actually deters functional MRI or fMRI to properly scan the regions of the brain.

Brain scan is a devise that uses specific compounds like glucose, lipid or blood content in the host's brain and record the underlying processes the brain is currently on the way.  

True statement gravity force is more on bigger mass, less on smaller mass.all mass fall on planet with same acceleration and speeds