ARRT Kettering questions with correct answers

An image that demonstrates low contrast can be caused from: 1. High mAs 2. Low kVp 3. Insufficient beam restriction CORRECT ANSWER 3 only Which of the following interactions with matter reduce contrast in an x-ray image? CORRECT ANSWER Compton scattering From anatomical position, pronating the hand will result in the palm facing ____. CORRECT ANSWER Posteriorly The maximum variation between consecutive exposures when using the same technical factor is: CORRECT ANSWER within 5% An atom containing three protons and three neutrons in its nucleus has a (an): CORRECT ANSWER atomic number of 3 What term is applied to the level of medical asepsis that involves the destruction of pathogens by using chemical materials? CORRECT ANSWER Disinfection Why is it important for a patient to have their knees flexed for an AP projection of the lumbar spine? CORRECT ANSWER to reduce the lordotic curvature of the lumbar spine and open up the joint spaces Which of the following is an accepted standard for networking medical devices to exchange images and information regardless of the brand of equipment? CORRECT ANSWER DICOM