211 Final Review Study Guide Questions And Correct Answers

Which of the following contribute to subject contrast? {Ans: Differences in tissue thickness Differences in tissue density Effective atomic number}Scatter radiation {Ans: decreases the visibility of anatomic structures.}As the distance increases, the beam quantity reaching a specific area {Ans: decreases.}A radiographic image that is too light has ________________ to visualize the anatomic structures. {Ans: excessive brightness}Which of the following is the primary factor controlling quantity? {Ans: mAs}An increase in the image size of an object compared with its true, or actual, size, is called {Ans: size distortion.}