Which brain imaging and recording technology expose people t

Which brain imaging and recording technology expose people to radiation?

CAT and PET

EEG and CAT

PET and MRI

fMRI and MRI

Solution

The correct answer is EEG and CAT.

In EEG and CAT scan, X-rays are given. So, you can say that the person is exposed to radiation.

In PET, positron emission is there, which is radioactive. So, in PET also the person is exposed to radiation.

So, you can say that options \'a\' and \'b\', both are correct.