P3 Medical imaging Flashcards

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1
Q

Ultrasound

A

Sound with a frequency above 20,000Hz (20kHz)

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2
Q

Ultrasound

A

is a longitudinal wave

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3
Q

Ultrasound

A

used for pre-natal scanning, breaking down kidney stones and cleaning delicate instruments

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4
Q

X rays

A

are Electromagnetic waves and are Transverse waves

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5
Q

X rays

A

Are ionising and cause mutations to DNA

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6
Q

X rays

A

Travel through skin

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7
Q

X rays

A

are absorbed by dense objects like bone

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8
Q

Ultrasound

A

Partially reflected inside body to produce an image

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9
Q

CT scans

A

use thousands of x rays to produce a 3D image

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10
Q

X rays

A

are used to treat cancer

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