radiographic positioning chapter 1 | 92 Questions and Answers(A+ Solution guide)

body habitus - build, physique and general shape of human body 4 general body styles - 1. sthenic 2. hypothetic 3. hyperstenic 4. asthenic sthenic - -about 50% of population -considered average hyposthenic - -about 35% of population -thin, more slender then sthenic hypersthenic - -about 5% of population -large and broad frame compared to sthenic asthenic - -about 10% of population -even more slender then sthenic impact of body habitus on radiographic positioning? --image receptor placement needs to be considered -lengthwise (portrait) or crosswise (landscape) radiographic positioning - study of patient positioning performed for radiographic demonstration or visualization of specific body parts on image receptors (IR)radiograph - an image of a patients anatomic parts produced by the action of X-rays on an image receptor radiography - the process and procedures of producing a radiograph central ray (CR) - refers to the centermost portion of the X-ray beam emitted from the tube; the portion of the X-ray beam that has the least divergence