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Principles of Imaging > Lesson 1 > Flashcards

Lesson 1 Flashcards

1
Q

a machine that contains an evacuated vacuum glass cylinder called?

A

X-ray machine

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2
Q

3 parts of x-ray machine

A
  • x-ray tube
  • control panel
  • high voltage section
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3
Q

evacuated glass envelope that generate xray

A

xray tube

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4
Q

main parts of an xray tube

A

cathode - negative side
anode - positive side

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5
Q

responsible for producing electrons when heated

A

filament

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6
Q

parts of cathode

A
  • filament
  • focusing cup
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7
Q

a metal cup wherein the filament is embedded

A

focusing cup

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8
Q

emission of electrons when heated is applied

A

thermionic emission

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9
Q

parts of anode

A
  • target
  • focal spot
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10
Q

tungsten material embedded in copper, rhenium, molybdenum, and or graphite

A

target

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11
Q

small area of the target being hit with electron

A

focal spot

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12
Q

reasons why tungsten is used as target material

A
  • high atomic number (74)
  • has a high melting point (3,410*)
  • high thermal conductivity
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13
Q

two types of anode x-ray tube

A
  • stationary anode
  • rotating anode
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14
Q

a vacuum tube or diode made of PYREX glass to enable it to withstand tremendous heat

A

glass envelope

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15
Q

electric motor which works on the principle of electromagnetic induction

A

induction motor

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16
Q

located outside the glass envelope consisting of a series of electromagnets equally spaced around the neck of the tube

A

stator

17
Q

located inside the glass envelope compose of a shaft made of bars of copper and soft iron fabricated into one mass

A

rotor

18
Q

it starts off in the cathode side of the x-ray tube where the filament is heated to give off a cloud of electrons

A

x-ray production

19
Q

the section where you manipulate the x-ray machine to provide technical factors necessary in the production of an
x-ray.

A

control panel

Principles of Imaging (7 decks)

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