X Rays

Question 1

X-rays are a type of

Answer 1

Electromagnetic radiation

Question 2

Forming an X-ray image

Answer 2

X-ray beam is focussed onto the specific part of the body
The X-rays pass through the body to impact with a detector
The detector is photographic film inbetween to screens
X-rays cause light to be emitted off the screens
More X-rays get through soft tissue than bone so a shadow of the bone is cast on the paper
The paper is developed as a photographic negative producing an X-ray

Question 3

X-ray images shows bones as

Answer 3

Light

Question 4

X ray image shows soft tissue as

Answer 4

Dark

Question 5

Denser materials like bone absorb

Answer 5

More radiation

Question 6

Softer tissue absorb

Answer 6

Less radiation

Question 7

Advantages of an X-ray

Answer 7

Quick and easy to use, X-ray negatives are developed as the patient waits
Very cheap compared to other imaging methods
Non-invasive no equipment or metals inserted so I pain or discomfort

Question 8

Disadvantages of X-rays

Answer 8

Radiation can cause damage to body cells which can lead to cancer. Risk isn’t high but radiographer stands behind a screen as protection
Produces rather poor quality 2D images can’t image most soft tissue unless contrast medium is used