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RAD110 FINAL
| Question | Answer |
|---|---|
| high kVp (3 L's) | low contrast, long scale, 'lotta grays |
| low kVp | high contrast, short scale, few grays |
| bremsstrahlung tube interaction | electrons slowed by nucleas |
| characteristic | electron ejected from inner shell, occurs in tube |
| photoelectric | absorption (contributes to dose) |
| compton | scatter |
| number of bones in axial skeleton | 80 |
| number of bones in appendicular skeleton | 126 |
| functional types of joints | synarthroses, ampiarthroses, diarthroses |
| structural types of joints | fibrous (immovable), cartilagenous (immovable), synovial (freely movable) |
| projection (re: positioning) | the path of the CR as it exits the tube, passing through the patient to the IR identified by entrance and exit points of body |
| position re: (positioning) | refers to specific placement of body in relation to table or IR |
| trendelenburg position | supine with head lower than the feet |
| fowler position | supine with head elevated |
| sims' position | recumbent with patient lying on left anterior side with left leg extended and right knee and thigh partially flexed |
| pharnyx | - tubular structure, serves as passage for air and food - pharyngeal cavity divided into nasal, oral, and laryngeal protions |
| larynx | movable, tubular structure below tongue, suspended from hyoid bone |
| AP axial chest lordotic position | assist patient to lean backward until shoulders rest on grid, clavicles above apices |
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