CAMRT - Test Review Questions; CORRECTLY ANSWERED

When preparing to add antiseptic iodine to a sterile field, why must some of the liquid be poured into the sink before adding the remainder to the sterile container? correct answers To wash the container's lip to prevent contamination, this maintains the sterile field Why is there a maximum injection pressure for an automatic injection device during contrast media administration? correct answers A preset maximum injection pressure helps to prevent vessel damage 1. The QC tech performs testing after the image acquired in the past week demonstrates exposure inconsistencies. Which kVp accuracy test reading at 80 kVp would require corrective action? a. 70 b. 72 c. 74 d. 76 correct answers a. 70 - this is greater than the acceptable limit of 10% A football player with broad shoulders presents with an obvious separation of the AC joint. What upright bilateral AC joints projection should be taken to best demonstrate the condition? correct answers - With weights at 180 cm - longer SID reduces magnification What area of the gown is considered part of the sterile field? correct answers The front of the gown, waist to shoulder What test must be performed first to ensure the validity of a mA linearity test results? correct answers - Timer accuracy - mA linearity assures that mA stations are accurate. The time and kVp accuracy must be verified prior to evaluate mA linearity What demonstrates minimal foreshortening of the femoral neck on on an axiolateral hip images? correct answers - The greater and lesser trochanters are on the same transverse level - this will verify that the CR is perpendicular to the femoral neck and the IR is parallel to the femoral neck What is the clinical indication for an HSG? correct answers - Infertility assessment - a Hysterosalpingiogram is used for infertility to demonstrate patency of uterine tubes Mr. Rogers presents with fixation devices protruding from the inferior aspect of his heel. The foot is flexed 70 degree. Calcaneus images have been ordered. How should the tech. direct the CR for the axial projection? correct answers - 60 degree cephalad - must increase the angle by 20 degree (40 + 20) to compensate for lesser dorsiflexion of the foot