MRI

Question 1

How does an mri generate images

Answer 1

Through magnetic fields and radio waves

Question 2

4 Positives to using an mri

Answer 2

Scans soft tissue, shows abnormal body water, non invasive, can be noisy but ear protection can be offered

Question 3

5 Limitations of using an mri

Answer 3

MRI can take a long time, more expensive, claustrophobia, reactions to contrast agents, can sometimes damage metal devices implanted in the body

Question 4

What can ionising radiation do to the body

Answer 4

Cause a range of conditions and damage white blood cells and stem cells

Question 5

What are 2 disadvantages to using x-ray

Answer 5

-ionising radiation so damages tissue
-clear contrast but low definition so small blood clots and tumours may not show up