X-ray Imaging System

Question 0

Sections of the x-ray machine circuitry

Answer 0

Primary side (low voltage) or control console/panel

Secondary side (high voltage)

Filament circuit (low current

Question 1

Three main components of x-ray imaging system

Answer 1

X-ray tube
Operating/control console
High voltage generator

Question 2

Primary side (low voltage or control console) parts are:

Answer 2

Main breaker

Exposure switch

Autotransformer

Timer circuit

Question 3

Filament circuit parts are:

Answer 3

Filament circuit variable resistor

Filament step-down transformer

Question 4

Secondary (high voltage side) parts are

Answer 4

High voltage step-up transformer

Four-diode rectification circuit

X-ray tube

Rotor stator

Question 5

Operating/control console is used to control the:

Answer 5

Voltage applied to the x-ray tube

Current through the x-ray tube

Exposure time

Question 6

Autotransformer has single winding and is designed to supply a precise voltage TO:

Answer 6

To the filament circuit

To the high voltage circuit

Question 7

Formula of autotransformer law

Answer 7

Vs/Vp = Ns/Np

Question 8

What are the 4 basic exposure timers

Answer 8

Mechanical Timer

Synchronous Timer

Electronic Timer

mAs Timer

Question 9

Current and Turns ratio formula

Answer 9

Ip/Is = Ns/Np

Question 10

Most familiar with radiologic technologists

Answer 10

Operating/control console

Question 11

Allows radiologic technologist to control the x-ray tube

Answer 11

Operating/control console

Question 12

Contain the operator console and technique charts and space to store cassettes

Answer 12

Control booth

Question 13

Wall bet. the booth and x-ray unit is shielded with

Answer 13

Lead

Question 14

Provided for monitoring kVp mA and exposure time

Answer 14

Meters

Question 15

Connecting to the meters are at low voltage to minimize electric shock

Answer 15

Electric circuits

Question 16

Makes incoming voltage uniform or smooth

Answer 16

Automatic line compensator or

LVC line voltage compensator

Question 17

Measure the voltage provided to x-ray imaging system and adjust that voltage to precisely 200V

Answer 17

Automatic line compensator or

LVC line voltage compensator

Question 18

Power supplied to the x-ray imaging system is first delivered to the

Answer 18

Autotransformer

Question 19

Determines voltage to step-up transformer

Answer 19

Autotransformer

Question 20

In series with the timer

Answer 20

Exposure switch

Question 21

AKA dead man switch

Answer 21

Exposure switch

Question 22

It is automatically terminates the exposure when the finger ceases to press on the timer button

Answer 22

Exposure switch

Question 23

Device used to control the length of x-ray

Answer 23

Exposure timers

Question 24

In older x-ray equipment small portable and dental sets had CLOCKWORK timer

Answer 24

Mechanical Timer

Question 25

These type of mechanical timers have a ELECTRIC motor called synchronous motor which is accurate than CLOCKWORK TIMER

Answer 25

Synchronous Timer

Question 26

Most sophisticated most complicated most accurate x-ray exposure timer

Answer 26

Electronic timer

Question 27

Allow wide range of time interval to be selected and are accurate to intervals as small as 1ms

Answer 27

Electronic timer

Question 28

Monitors the product of mA and exposure time and terminates exposure when the desired mAs value is attained

Answer 28

mAs timer

Question 29

Designed to provide the highest safe tube current for the shortest exposure for any mAs selected

Answer 29

mAs timer

Question 30

Filament Transformer also known as

Answer 30

Filament heating isolation step-down transformer