What does an MRI technologist do? operates a high-powered magnet that takes images of internal bodily structures

operates an ECG machine

operates a machine that produces visible waves of electrical heart activity

operates a machine that uses X-rays to take images of internal structures such as bone

MRI technologist operates a high-powered magnet that takes images of internal bodily structures.

Explanation:

An MRI technologist is responsible for performing magnetic resonance imaging, a diagnostic imaging technique used to look at images of the inside of the body, based on the properties of atomic nuclei.

The MRI uses a high-powered magnet to obtain images that are produced by the magnetic alignment of the hydrogen nuclei present in the body water. These images are then passed to a computer for reading, work performed by the MRI technologist.

The other options are not correct because:

take a break move to stretching and slowly work back into physically exercising if the problem continues go to a doctor or physical therapist