問題一覧
1
Device that converts AC to DC.
Rectifier
2
It allows the voltage to be monitored before the exposure.
Pre-Reading Voltmeter
3
It is responsible for converting low voltage from electric power company into a kilo-voltage peak waveform.
High-Voltage Generator
4
Represents two separate series of connection on the autotransformer.
Major and Minor kVp
5
Circuit where the x-ray is being controlled.
Filament Circuit
6
What are the 2 Internal Structures of X-ray Tube?
Cathode and Anode
7
This supply a precise voltage.
Line Compensator
8
Also known as high voltage section.
High-Voltage Generator
9
Process of which the heating of the filament.
Thermionic Emission
10
Side where the electrons are released.
Cathode
11
2 Parts of Cathode.
Filament and Focusing Cup
12
A metal cup where the filament is embedded.
Focusing Cup
13
What is the current and voltage required for the x-ray to operate?
Direct Current (220V)
14
It refers to the number of x-rays or intensity of the X-ray beam.
Quantity (mAs)
15
Varies or controls the voltage to 100-200V.
Autotransformer
16
Provides high voltage to the x-ray tube. (220V)
High-Voltage Transformer
17
It allows the radtech to control the x-ray tube current and voltage.
Operating Console/ Control Console
18
It is expressed in kilovolt peak or HVL (half value layer).
Quality
19
In-charged for increasing the current and intensity for the filament to be heated.
Filament Transformer
20
What are the 3 Primary Parts of High Voltage Generator?
High-Voltage Transformer, Filament Transformer, Rectifier
21
It is expressed in the unit of mR (milliRoentgen/ Roentgen)
Quantity
22
3 PRINCIPAL PARTS OF X-RAY IMAGING SYSTEM?
Operating Console, High-Voltage Generator, X-ray Tube
23
Releases electrons.
Filament
24
Intensity of the x-ray beam and the number of electrons crossing from cathode and anode.
mA
25
Consist of mechanical and electronic devices whose action is to “MAKE” and “BREAK” the high voltage across the x-ray tube.
Timer Circuit
26
It refers to the penetrability of the x-ray beam.
Quality (kVp)
27
Also known as the low voltage section.
Operating Console
28
Positive side of the x-ray tube.
Anode
29
Melting point/ temp. of the filament?
2200 Degrees Celcius
30
Penetrating ability of the x-ray beam.
kVp
31
Creates x-ray photons from electric energy supplied by the x-ray generator.
X-ray Tube