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X-ray certification quizzes & ans, 100% correct!!
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X-ray certification quizzes & ans, 100% correct!!
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Name: Score:88 Multiple choice questions
Term 1 of 88
What does it mean when the wave length is shorter?
Anything that has mass or weight
Kinetic energy
It has higher energy
It has lower energy
Term 2 of 88
When pressing the exposure button what is done?
The exposure button activates the cooling system of the x-ray machine.
The electron cloud is accelerated to tungsten target of the anode at the focal spot.
Pressing the exposure button increases the patient's heart rate.
When the exposure button is pressed, the x-ray machine turns off.
Term 3 of 88
The negative side of a vacuum is called what?
Anode
Rectifier
Voltage
Cathode
,Term 4 of 88
What is mili amperage controlled by?
The filament
Anode
Primary radiation
The cathode
Term 5 of 88
A collimator is used to do what?
Restrict the beam diameter to 2.75 inches at the skin entrance.
Increase the beam intensity for deeper penetration.
Narrow the beam to a pencil-like thickness.
Expand the beam diameter to cover a larger area.
Term 6 of 88
Voltage is linked to what?
Resistance: the opposition to the flow of electric current
Conductivity: the ability of a material to conduct electricity
Frequency: the number of complete cycles of a wave in a given time
Quality: the speed of the electrons and penetrating of the beam
, Term 7 of 88
What does LET stand for?
Ionization
Linear energy transfer
Relative biologic effectiveness
The photoelectric effect
Term 8 of 88
The positive side of the vacuum is called what?
Anode
Voltage
Cathode
Filament
Term 9 of 88
What is the second highest in radiation?
Gamma
Mri
X-ray
Gray
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