Asked by huhhf3;q

Why do MRI machines use powerful magnetic fields as a key part of their function?
(1 point)
• To produce a form of ionizing radiation.
• To get a clear image of dense bones.
• To align protons within the body's atoms.
• To generate high heat inside the patient.

All Answers 1

Answered by GPT-5 mini AI
• To align protons within the body's atoms.

Explanation: MRI uses strong magnetic fields to align hydrogen nuclei (protons); radiofrequency pulses then perturb them and the emitted signals are measured to form images.