Magnetic Resonance Imaging (MRI) Questions and Answers Latest Update 100% Pass

Magnetic Resonance Imaging (MRI) Questions and Answers Latest Update 100% Pass What does MRI stand for? Magnetic Resonance Imaging Which type of waves does MRI use to generate images? Radio waves What is the primary element in the body that interacts with an MRI machine? Hydrogen Which strong force is used in MRI to align hydrogen nuclei? Magnetic field What is the name of the process where hydrogen nuclei return to their normal state after being excited? Relaxation 2 Which two types of relaxation are measured in MRI? T1 and T2 relaxation What is the function of gradient coils in MRI? They localize the signal to create images Which imaging technique in MRI highlights fluid-filled structures? T2-weighted imaging What is the primary advantage of MRI over CT in brain imaging? Better soft tissue contrast Which part of the body is most commonly scanned using MRI? Brain What is the purpose of contrast agents in MRI? To enhance tissue differences 3 Which contrast agent is most commonly used in MRI? Gadolinium Why must patients remove metal objects before entering an MRI room? The strong magnetic field can attract metals What is the main safety concern with MRI for patients with pacemakers? The magnetic field can interfere with pacemaker function Which condition can be detected early using MRI of the spine? Disc herniation What is the name of the loud noises heard during an MRI scan? Gradient switching Which sequence is best for detecting edema and inflammation?