| Question | Answer |
| An increase in added filtration will result in a ______ in x-ray intensity and a _______ in effective energy of the x-ray beam. | decrease, increase
Buschong p146 |
| What is the direction of electron travel in the x-ray tube? | cathode to anode
Buschong p122 |
| What technical changes would best serve to remedy the effect of very dissimilar tissue densities? | high-kilovoltage exposure factors
Buschong p273 |
| Where is the focal-spot blur the greatest? | at the cathode end of the x-ray beam
Buschong p287 |
| What is the reduction in x-ray photon intensity as the photon passes through material? | attenuation
Buschong p185 |
| What radiographic instruments are used to measure the thickness of body parts in order to determine optimal selection of exposure factors? | calipers
Buschong p 308 |
| The slit camera test requires two exposures to evaluate ______ and accuracy? | focal-spot
Buschong p462 |
| Two types of exposure-time artifacts are_______ and ______? | double exposure and motion
Buschong p473 |
| What is the continued emission of light by a phosphor after the activating source has ceased? | phosphorescence
Buschong p221 |
| What imaging a body part over 4 inches and using a high kilovoltage, what sort of radiographic equipment can be employed to produce a better image? | Grid
Buschong p248 |
| Differential absorption is related to pathology and ________. | subject contrast
Carlton p245 |
| Greater latitude is available to radiographers in film/screen imaging when they use ________ factors. | high-kilovoltage
Carlton p185 |
| If 16 mAs was used to produce a particular x-ray image, what new mAs value would be required to produce a similar image if the kVp was increased by 15% | 8 mAs
Buschong p254 |
| When the light field goes pass the body as in a lateral lumbar, what can be done to prevent excessive density due to undercutting? | use lead rubber to absorb primary radiation on tabletop
Carlton p233 |
| What is used to express the resolution of a diagnostic image? | line pair per millimeter (Ip/mm)
Carlton p334 |
| What is used to express resolution/recorded detail? | Modulation transfer function
Carlton p334 |
| As the CR laser scanner/reader recognizes the photostimulated luminescence released by the PSP storage plate, it constructs a graphic representation of a pixel value distribution. This is a? | histogram
Carlton p361 |
| Improved recorded detail and heat capacity can be achieved with an anode with a _______ angle. | small
Buschong p139 |
| High signal-to-noise is most likely to produce a _____-quality image? | high
Buschong 112 |
| True or False: Beam restriction improves spatial resolution? | False
Buschong p243 |
| Geometric unsharpness is affected directly by? | OID
Carlton p444 |
| The scale of contrast becomes longer as grid ratio _______. | decreases
Carlton p432 |
| With the anode heel effect, the intensity of the x-ray beam is greatest at? | the cathode end of the beam
Carlton p407 |
| Radiographs made with parallel grids show decreased density on their lateral edges from? | decreased SID
Carlton p260 |
| Using 600mA and 0.02sec would be more helpful to control voluntary or involuntary motion? | involuntary motion
Carlton p451 |
| On CR imaging, the latent image present on the PSP is changed to a computerized image by: | the analog to digital converter (ADC)
Carlton p358 |
| Grids being off-center can cause_______ which would result in overall loss of density. | grid cutoff
Carlton p257 |
| When a radiologic technologist uses a SID of 25-30 inches with a 14X17 IR, it is likely to: | increase the anode heel affect
Carlton p407 |
| Luminescent light that is emitted by the PSP gets transformed into the image on the CRT by: | ADC
Carlton p357 |
| What layer of the CR image plate records the radiographic image? | photostimulable phosphor
Carlton p357 |
