The Xray Imaging System Part 1 Flashcards

1
Q

Sections of X-ray machine circuitry

A

Primary side
Secondary Side
Filament circuit

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2
Q

Primary side :

A

Main breaker
Exposure switch
Autotransformer
Timer circuit

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3
Q

Secondary side :

A

High voltage step up transformer
Four-diode rectifier circuit
X-ray tube
Rotor stator

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4
Q

Filament Circuit

A

Filament circuit variable resistor

Filament step down transformer

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5
Q

Control console controls:

A

Voltage applied to the X-ray tube
Current through the X-ray tube
Exposure time

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6
Q

Most familiar part with rad tech

A

Control/operating console

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7
Q

Control booth contains:

A

Operator console
Technique charts
Space to store cassettes

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8
Q

Wall is made / shielded by:

A

Lead

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9
Q

Provided for monitoring kVp, mA and exposure time

A

Meters

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10
Q

Electric circuits connected to the meters are at ____

A

Low voltage to avoid electric shock

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11
Q

X-ray imaging is operated on ____

A

220 V power ;

110 V or 440V

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12
Q

Main problem

A

Accuracy of electric power supply

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13
Q

How much variations can affect X-ray production

A

5%

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14
Q

Measures the voltage provided to the X-ray imaging system

A

Line compensator / Line voltage compensator (LVC)

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15
Q

Adjust voltage to precisely 220 V

A

Line compensator / Line voltage compensator (LVC)

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16
Q

Makes voltage uniform or “smooth”

A

Line compensator / Line voltage compensator (LVC)

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17
Q

The power supply is first delivered to

A

Autotransformer

18
Q

It has single winding and designed to supply a precise voltage

A

Autotransformer

19
Q

Autotransformer is designed to supply a precise voltage to ___

A

Filament circuit

High voltage circuit

20
Q

Determines voltage to step-up transformer

A

Autotransformer

21
Q

Autotransformer is connected to the ____

A

KVp selector on the console

22
Q

2 adjustments of kVp

A

Major kVp

Minor kVp

23
Q

Minor kVp ____ the selected technique

A

Fine tunes

24
Q

Major and minor kVp represents _____ on the autotransformer

A

Two separate series of connection

25
In series with the timer
Exposure switch
26
Exposure switch AKA
"Dead man switch"
27
Automatically terminates the exposure when finger ceases on the timer button
Dead man
28
Control the length of X-ray
Exposure timer
29
With high powered X-ray sets ; exposure time is
Very short and minimum time interval
30
Exposure timer should be
High degree of accuracy
31
Clockwork timer
Mechanical timer
32
Have electric motor called synchronous motor
Synchronous timer
33
Allow wide range of time intervals to be selected
Electronic timer
34
Most accurate X-ray exposure timer
Electronic timer
35
Monitors the product of mA and exposure time
mAs timer
36
Designed to provide the highest safe tube current
mAs timer
37
also known as filament heating isolation step-down transformer
Filament transformer
38
Steps down the voltage to approx. 12V and provide current to heat the filament
Filament transformer
39
Primary windings is made of ____ and provide current of _____ and approx _____
Thin copper 0.5 to 1 A 150 V
40
Secondary windings are _____ and approx ____ and carry a current of _____
Thick 12V 5 to 8 A
41
Three main components of X-ray imaging system
X-ray tube Control console High voltage generator