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Card 6

Front

When a patient under goes a CT scan to observe their stomach they are given a supplement containing barium - why is this?

Back

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Card 7

Front

What are the disadvantages of X rays?

Back

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Card 8

Front

What are thr uses of X rays?

Back

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Card 9

Front

What should workers expose to x rays do to protect themselves?

Back

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Card 10

Front

What frequencies can the human ear detect?

Back

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Card 11

Front

How do ultrasound waves behave when they are emitted?

Back

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Card 12

Front

How can time be used to detect how far away a boundary is?

Back

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Card 13

Front

When calculating the distance of the boundary, what should you do the time and why is this?

Back

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Card 14

Front

How are ultrasound used in medical treatment?

Back

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Card 15

Front

Why is ultrasound used in prenatal scanning and not x rays?

Back

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