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RADT456 Equip Op
ARRT registry review covering equipment operation
Question | Answer |
---|---|
Shorter Wavelengths produce higher or lower energy? | Higher |
The x-ray beam that emerges from the tube focal spot is called | Primary Beam |
A low energy photon that uses all its energy to remove an inner shell electron produces what effect? | Photoelectric |
A high energy beam that ejects an outer shell electron produces what? | Compton Scatter |
Occupational dose is caused mostly by what? | Compton Scatter |
Patient dose is caused mostly by what? | Photoelectric Effect |
What is defined as the distance between two consecutive wave crests? | Wavelength |
These change mechanical energy to electrical energy | Generators |
These change electrical energy to mechanical energy | Motors |
The height of a wave | Amplitude |
What is the unit of frequency? | Hertz |
What type of transformer operates on the principle of self-induction? | Autotransformer |
This type of transformer has more coil turns on the the secondary side | Step up |
What type of current do transformers and autotransformers require? | Alternating |
High frequency generators produce what percentage of voltage ripple? | 1% |
The electron is slowed by nucleus' positive charge, causing it to give up energy | Bremmsstrahlung |
The anode has what type of charge? | Positive |
This device holds the electron cloud together prior to being sent to the anode | Focusing cup |
Electrons are burned from the filament through what | Thermionic Emission |
The filament is made of | Tungsten |