The Xray Imaging System Part 1

Question 1

Sections of X-ray machine circuitry

Answer 1

Primary side
Secondary Side
Filament circuit

Question 2

Primary side :

Answer 2

Main breaker
Exposure switch
Autotransformer
Timer circuit

Question 3

Secondary side :

Answer 3

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

Question 4

Filament Circuit

Answer 4

Filament circuit variable resistor

Filament step down transformer

Question 5

Control console controls:

Answer 5

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

Question 6

Most familiar part with rad tech

Answer 6

Control/operating console

Question 7

Control booth contains:

Answer 7

Operator console
Technique charts
Space to store cassettes

Question 8

Wall is made / shielded by:

Answer 8

Lead

Question 9

Provided for monitoring kVp, mA and exposure time

Answer 9

Meters

Question 10

Electric circuits connected to the meters are at ____

Answer 10

Low voltage to avoid electric shock

Question 11

X-ray imaging is operated on ____

Answer 11

220 V power ;

110 V or 440V

Question 12

Main problem

Answer 12

Accuracy of electric power supply

Question 13

How much variations can affect X-ray production

Answer 13

5%

Question 14

Measures the voltage provided to the X-ray imaging system

Answer 14

Line compensator / Line voltage compensator (LVC)

Question 15

Adjust voltage to precisely 220 V

Answer 15

Line compensator / Line voltage compensator (LVC)

Question 16

Makes voltage uniform or “smooth”

Answer 16

Line compensator / Line voltage compensator (LVC)

Question 17

The power supply is first delivered to

Answer 17

Autotransformer

Question 18

It has single winding and designed to supply a precise voltage

Answer 18

Autotransformer

Question 19

Autotransformer is designed to supply a precise voltage to ___

Answer 19

Filament circuit

High voltage circuit

Question 20

Determines voltage to step-up transformer

Answer 20

Autotransformer

Question 21

Autotransformer is connected to the ____

Answer 21

KVp selector on the console

Question 22

2 adjustments of kVp

Answer 22

Major kVp

Minor kVp

Question 23

Minor kVp ____ the selected technique

Answer 23

Fine tunes

Question 24

Major and minor kVp represents _____ on the autotransformer

Answer 24

Two separate series of connection

Question 25

In series with the timer

Answer 25

Exposure switch

Question 26

Exposure switch AKA

Answer 26

“Dead man switch”

Question 27

Automatically terminates the exposure when finger ceases on the timer button

Answer 27

Dead man

Question 28

Control the length of X-ray

Answer 28

Exposure timer

Question 29

With high powered X-ray sets ; exposure time is

Answer 29

Very short and minimum time interval

Question 30

Exposure timer should be

Answer 30

High degree of accuracy

Question 31

Clockwork timer

Answer 31

Mechanical timer

Question 32

Have electric motor called synchronous motor

Answer 32

Synchronous timer

Question 33

Allow wide range of time intervals to be selected

Answer 33

Electronic timer

Question 34

Most accurate X-ray exposure timer

Answer 34

Electronic timer

Question 35

Monitors the product of mA and exposure time

Answer 35

mAs timer

Question 36

Designed to provide the highest safe tube current

Answer 36

mAs timer

Question 37

also known as filament heating isolation step-down transformer

Answer 37

Filament transformer

Question 38

Steps down the voltage to approx. 12V and provide current to heat the filament

Answer 38

Filament transformer

Question 39

Primary windings is made of ____ and provide current of _____ and approx _____

Answer 39

Thin copper
0.5 to 1 A
150 V

Question 40

Secondary windings are _____ and approx ____ and carry a current of _____

Answer 40

Thick
12V
5 to 8 A

Question 41

Three main components of X-ray imaging system

Answer 41

X-ray tube
Control console
High voltage generator