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RAD 110 Final Exam
Part 5
| Question | Answer |
|---|---|
| Hyposthenic | Organs lower than the average person |
| Hypersthenic | Organs more elevated and horizontally stretched than the average individual |
| Asthenic | Lower organs very low and upper organs more vertically stretched than the average individual |
| Sthenic | The average person |
| Hyposthenic | A slender, elongated, lean body type, often described as falling between the average (sthenic) and very thin (asthenic) types |
| Hypersthenic | A massive, broad, thick-set, and heavy body build. It is characterized by a short, wide thorax, a high diaphragm, and organs situated high and transversely |
| Asthenic | A very thin, frail, and slender build with a long, narrow thorax and abdomen. It is characterized by a very low diaphragm and a low, vertical, J-shaped stomach. |
| ____________ systems allow for more leeway in technique (choice of kVp and mAs). | Digital |
| _________________ systems require more precise centering and collimation | Digital |
| In digital imaging, what is brightness is controlled by? | Automatic rescaling |
| In digital imaging, what has direct influence on image noise? | mAs |
| Decreasing collimation will result in? | increased image scatter |
| Decreasing collimation will result in? | decreased contrast |
| Decreasing collimation will result in? | increased patient dose |
| Select all actions that are done by the computer | Post-processing |
| Select all actions that are done by the computer | Processing |
| Select all actions that are done by the computer | Automatic rescaling |
| Select all actions that are done by the computer | Histogram analysis |
| Select all that a tech could do/use to correct unsharpness of edges in a digital image | Use supportive devices to minimize motion |
| Select all that a tech could do/use to correct unsharpness of edges in a digital image | Decrease OID |
| Select all that a tech could do/use to correct unsharpness of edges in a digital image | Use a smaller focal spot |
| Which statement best explains how increasing SID affects geometric sharpness? | Increasing SID improves geometric sharpness |
| Select all that a tech could do to fix poor contrast in a digital image | Use a grid |
| Select all that a tech could do to fix poor contrast in a digital image | Increase collimation |
| Select all that a tech could do to fix poor contrast in a digital image | Adjust window width |
| What are advantages of collimation? | Less patient dose |
| What are advantages of collimation? | Improved Spatial Resolution |
| What are advantages of collimation? | Less scatter |
| Receptor exposure is related to? | Photon Quantity (mAs) |
| Receptor exposure is related to? | Beam Intensity |
| Which of the following can affect the radiographic contrast present on the manifested image? | OID |
| Which of the following can affect the radiographic contrast present on the manifested image? | Beam restriction |
| Which of the following can affect the radiographic contrast present on the manifested image? | Tissue density |
| Which of the following can affect the radiographic contrast present on the manifested image? | Pathology |
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