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Week 1


Who is credited with discovering x-rays? In what year? Wilhelm Conrad Roentgen, 1895
What was the 1st xray tube called? Crooke's Tube
What was the substance that glowed that eventually lead to the discovery of xrays? barium platinocyanide
1.Who introduced a moving grid mechanisms and in what year? 2.Who was the first to produce a single exposure, AP full spine radiograph and in what year? 1.Potter & Bucky in 1921. 2. Sausser, a chiropractor in 1935
T/F The plain film radiograph still forms the foundation for a large portion for the diagnostic investigations in clinical practice? true
***What is the Cardinal rule in radiology? An area in question must be shown in AT LEAST two views taken at right angles(90 degrees) to each other.
What type of radiographic positions the patient where: 1.the posterior surface is closest to the film? 2.the anterior surface is closest to the film? 1.Anterioposterior (AP) 2.Posterioranterior (PA)
T/F radiographic terminology indicates the side of the patient CLOSEST to the film? true (examples: RL = right lateral, the right shoulder is touching the film; LPO = left posterior side is closest to film; RAO = right anterior is closest to film)
List the densities from most film density (least tissue dense)? 1.Air/Gas 2.Fat 3.Water/Soft Tissue 4.Bone 5.Metal
What type of anatomy is described as Radiolucent? Radiopaque? Radiolucent = air/gas; Radiopaque = metal
What releationship does tissue density and film density have? they are inversely proportional
***Name the 7 items of information required on each radiography? 1.Clinic Name or Doc's name 2.Name and location at which film was taken 3.Patient's name 4.Patient's date of birth or age 5.gender of film 7.ID # (not required in all states)
What is a preferred form of radiographic identification which is a plexiglass bubbled center with a drop of mercury or small metallic balls in the center? Mitchell Markers
T/F R and L Mitchell Markers indicate the side of patient's anatomy closest to film? true (on extermities, the marker indicates the extremity being examined)
If the metallic ball in a Mitchell Marker is seen in the middle, is the person laying down(recumbent) or standing up? recumbent (laying down)... If the metallic balls are on the bottom the patient is upright!
Created by: pcc Normal Rad
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