radiology Flashcards

1
Q

What 4 factors does image quality depend on

A

contrast
image geometry
characteristics of x-ray beam
image sharpness and resolution

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2
Q

Radiographic can ‘mock’ our senses. Main effects can be caused by 3 things:

A
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3
Q

Intraoral examples of radiographs

A

periapical
bite-wing
occlusal

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4
Q

Extra oral examples

A

oblique lateral
various skull
panoramic

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5
Q

x-rays and their ability to penetrate human tissues were discovered by?

A

roentgen in 1895

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6
Q

x-rays produce when …… electrons bombard a ……. ….. and suddenly brought to ……

A

energetic
target material
rest

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7
Q

protons charge

A

positive

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8
Q

neutrons charge

A

nil

act as binding agents ‘ hold it together’

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9
Q

electrons charge

A

negative

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10
Q

Charge of the cathode

A

negative

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11
Q

Charge of the anode

A

positive

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12
Q

What does the cathode consist of

A

heated filament that provides source of electrons

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13
Q

What does the anode consist of

A

target (small piece of tungsten)

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