ARRT Positioning Questions and Answers 2024 Correctly done

a graph that has several peaks and valleys representing pixel values - histogram agents that appear white on the finished image - radiopaque agents that appear black on the finished image - radiolucent most of the occupational exposure received by radiographer is received during - fluoro, portables the knee is formed by the - proximal tibia, patella, distal femur ulnar flexion of the wrist helps to - overcome superimposition of the scaphoid inspiration of a chest x-ray will demonstrate ____ pairs of posterior ribs - 10 what is demonstrated in the AP oblique elbow position - radial head and neck free of superimposition examples of additive pathologic conditions - ascites, pneumonia, atelectasis examples of destructive pathologic conditions - osteoporosis, emphysema, osteomalacia if it desired to measure ESE, a ___________ is used - small ionization chamber the gallbladder and stomach are higher and more lateral and the large bowel more peripheral in the ____ patient - hyperstenicthe anode heel effect becomes more pronounced as - SID decreases, IR size increases, target angle decreases changes AC to unidirectional current - rectifier used for focal spot evaluation - star pattern advantages of high frequency generators - compact, constant potential (decrease pt. dose) sunrise view is used to demonstrate - vertical fractures of patella flat panel detectors used in DR are often made of - amorphous selenium coated TFT array performed to evaluate timer accuracy or rectifier efficiency in single phase equipment - spinning top test makes up 15% of the primary beam - characteristic radiation responsible for most of the x-ray photons produced at the tungsten target - Brems radiation the SC are formed by the - medial (sternal) extremities of the clavicles and clavicular notches of the manubruim the first ____ pairs of ribs are true ribs - 7 Grashey method - patient is rotated 35-45 degrees toward the affected side change in window level affects - image brightness (density)