How can the radiographer change the penetration of the x-ray beam?
A radiograph of a clavicle is taken using 12 mAs at 60 kVp w…
A radiograph of a clavicle is taken using 12 mAs at 60 kVp with a 5:1 grid. If an 8:1 grid is employed for the same exposure, what will the new mAs be?
Which device is used to reduce scatter reaching the image re…
Which device is used to reduce scatter reaching the image receptor?
Which of the following grid errors will result in correct de…
Which of the following grid errors will result in correct density in the center of the image, but lower density on the sides? Off-level Off-focus Off-center Upside-down
Which of the following conditions would result in increased…
Which of the following conditions would result in increased scatter radiation reaching the image receptor, thus warranting the need for appropriate beam restriction? Small anatomical parts Large anatomical parts High kilovoltage Low kilovoltage Using a grid Not using a grid
Which type of grid has lead strips placed horizontally and l…
Which type of grid has lead strips placed horizontally and longitudinally?
A radiograph is taken with a Bucky grid that has a 12:1 grid…
A radiograph is taken with a Bucky grid that has a 12:1 grid ratio with technical factors of 40 mAs at 80 kVp. If a 16:1 grid is substituted, what new mAs should be used to maintain the same radiographic density?
Which of the following is considered to be a disadvantage of…
Which of the following is considered to be a disadvantage of a moving grid?
Which of the following contrast agents are classified as rad…
Which of the following contrast agents are classified as radiopaque?
An ____ grid error occurs when a grid is used at a distance…
An ____ grid error occurs when a grid is used at a distance other than that specified as the focal range.