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Imaging Equipment Week 1 Flashcards | StudBud
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Imaging Equipment Week 1
Imaging Equipment Week 1
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Questions
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Answers
1
To produce x-rays, a cloud of electrons are necessary and the cathode must have a strong positive charge.
False
True
2
The rate of flow of electrons passing through the x-ray tube during an exposure is
kVp.
Hz.
filament current.
tube current.
3
The cathode includes the
Focusing cup
Filaments
Filaments and focusing cup
Envelope
4
The primary purpose of the step-down transformer is to
increase the voltage going to the filaments.
increase the amperage going to the filaments.
decrease the amperage going to the filaments.
5
The stator is made up of electromagnets.
False
True
6
The step down transformer is found on the
Primary circuit
Filament circuit
Secondary circuit
7
The effective focal spot is smaller than the actual focal spot because of the anode angle.
True
False
8
The devices that change alternating to direct current are the
filaments.
transformers.
rheostats.
rectifiers.
9
AEC controls the ________________ of radiation reaching the image receptor.
quantity
type
energy level
10
Electromagnetic radiation has no mass.
False
True
11
The primary side of the high voltage (step up) transformer is found on the
Primary circuit
Filament circuit
Secondary circuit
12
Which of the following occurs first in the sequence of events leading to x-ray production?
Voltage becomes kilovoltage.
Electrons flow from cathode to anode.
AC is converted to DC.
Anode and cathode become positively and negatively charged.
13
The anode includes the
Target
Induction motor
Target and induction motor
Envelope
14
With a rotating anode, the focal spot becomes a
Focal path
Focal point
Focal stripe
Focal track
15
The device that adjusts the incoming power supplied to the x-ray circuit to maintain 220 V is the
autotransformer.
timer circuit.
line compensator.
circuit breaker.