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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 |