Medical Physics and Ultrasound

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What type of radiation is used in medicine?
Ionising and non-ionising
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What type of radiation is used in CAT scans?
X-rays
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What do CAT scans use?
Intense beams of X-rays that are strongly ionising
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What can CAT scans be used to image?
Soft and hard tissue
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What is ultrasound?
Sound waves with frequencies above 20kHz
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What are the medical uses of ultrasound?
Breaking down kidney stones, pre-natal scanning of a foetus and measuring the speed of blood flow.
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How are kidney stones broken down?
An ultrasound beam concentrates high energy waves at the kidney stone and turns it into sand like particles.
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How is a foetus scanned?
Ultrasound waves are reflected off the tissue boundaries.
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Other cards in this set

Card 2

Front

What type of radiation is used in CAT scans?

Back

X-rays

Card 3

Front

What do CAT scans use?

Back

Preview of the front of card 3

Card 4

Front

What can CAT scans be used to image?

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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