X-rays and ultrasound

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  • Created by: chloefaun
  • Created on: 17-04-14 15:31
What are x-rays absorbed by?
Denser materials- bones and metal
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What does a CT scan do?
It uses an x-ray tube and takes multiple images to create a 3D image
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Name the precausions taken by radiographers
Wearing lead aprons, stand behind a lead screen, badge with amount of radiation received
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What is the range of human hearing?
Between 20 and 20,000Hz
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What is ultrasound?
The frequency of sound above human hearing
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Name two uses of ultrasound in industry
Sonar on boats, finding weak points or cracks in metal
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How does ultrasound work?
A pulse of ultrasound is pointed at an object, where the boundaries are between the substances and the ultrasound reflects back
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Name two uses of ultrasound in medicine
Breaking down kidney stones,pre-natal fetes scanning
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Other cards in this set

Card 2

Front

What does a CT scan do?

Back

It uses an x-ray tube and takes multiple images to create a 3D image

Card 3

Front

Name the precausions taken by radiographers

Back

Preview of the front of card 3

Card 4

Front

What is the range of human hearing?

Back

Preview of the front of card 4

Card 5

Front

What is ultrasound?

Back

Preview of the front of card 5
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