X-rays

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  • Created by: chidgexx
  • Created on: 29-01-16 21:13
Why is a crack in a bone visible on a radiograph?
A crack is a gap that X-rays can pass through
1 of 10
Why does a film badge have a plastic case and not a metal one?
To keep light out without stopping the X-rays
2 of 10
Why is it important to stop X-rays reaching healthy body tissue?
They would damage or kill living cells or cause mutations
3 of 10
X-rays can...thin metal sheets
Penetrate
4 of 10
Thick lead plates will...X-rays
Absorb
5 of 10
Why is it necessary to place the patient between the X-ray tube and the film cassette?
To make an image of the patients bone on the film
6 of 10
Why it it necessary to have the film in a lightproof case?
To prevent light affecting the film
7 of 10
Why is it necessary to shield those parts of the patients that are not being investigated?
To prevent damage to cells that are not being X-rayed
8 of 10
Advantage of a CT scanner compared to normal X-ray?
Distinguishes between different types of soft tissue- normal X-ray does not
9 of 10
Disadvantage of a CT scanner compared to normal X-ray?
The radiation dose is much greater than a normal X-ray
10 of 10

Other cards in this set

Card 2

Front

Why does a film badge have a plastic case and not a metal one?

Back

To keep light out without stopping the X-rays

Card 3

Front

Why is it important to stop X-rays reaching healthy body tissue?

Back

Preview of the front of card 3

Card 4

Front

X-rays can...thin metal sheets

Back

Preview of the front of card 4

Card 5

Front

Thick lead plates will...X-rays

Back

Preview of the front of card 5
View more cards

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