Welcome to your Radiography Name: Email: [Areas for the general public, such as waiting rooms and stairways, are considered:] Controlled areas Uncontrolled areas Off-limits areas Radiation areas None . [Structure E is the fig.] Acetabulum Ischial tuberosity Greater trochanter Lesser trochanter None Comment . [Bradycardia indicates a pulse of:] More than 100 beats per minute Fewer than 60 beats per minute Greater than 90 beats per minute Less than 50 beats per minute None . [The ARRT Rules of Ethics and Code of Ethics are contained in what document?] Standards of Ethics Practice Standards Mission Statement Scope of Practice None . [The x-ray emission spectrum consists of:] Brems and characteristic rays Discrete spectrum (produced by brems rays) and continuous spectrum (produced by characteristic rays) Discrete spectrum (produced by characteristic rays) and continuous spectrum (produced by brems rays) X-rays and electrons, both part of the electromagnetic spectrum None . [What describes a bowel obstruction caused by immobility of the bowel?] Diverticula Ulcerative colitis Pyloric stenosis Adynamic ileus None . [The effective dose limit for a fetus for the entire gestational period is:] 5.0 mSv 0.5 mSv 0.05 mSv 50 mSv None . [The primary purpose of filtration is:] Radiation protection Removal of short-wavelength (soft) rays Hardening the beam for imaging Removal of long-wavelength (hard) rays None . [Grid frequency is defined as:] The same as grid ratio The amount of lead in the grid (expressed in terms of focusing distance) How often a grid is used The amount of lead in the grid (expressed as the number of lead strips per inch) None . [What effect does beam restriction have on contrast?] Decreases contrast by focusing the x-ray beam Decreases contrast because of higher kVp level used Increases contrast by focusing the x-ray beam Increases contrast because of reduction in the number of Compton interactions that occur None . [Shock is indicated when the diastolic blood pressure is:] Greater than 100 mm Hg Less than 60 mm Hg Greater than 90 mm Hg Less than 50 mm Hg None . [The law that states that cells are most sensitive to radiation when they are nonspecialized and rapidly dividing is the:] Inverse square law Law of Bergonie and Tribondeau Reciprocity law Ohm’s law None . [Nosocomial infections are acquired:] In radiology Through the nose During cold and flu season In the health care setting None . [The most radiosensitive cells in the body are:] Lymphocytes Epithelial cells Nerve cells Muscle cells None . [Which of the following sets of exposure factors would result in the lowest dose to the patient?] High mAs, low kVp Low mAs, high kVp Low mAs, high kVp, small focal spot Low mAs, high kVp, large focal spot None . [What type of infection transmission is defined as being spread primarily on contaminated items, food, or water?] Contact transmission Airborne transmission Droplet transmission Common vehicle transmission None . [The primary type of grid used in diagnostic imaging is:] Crosshatch Parallel Rhombic Focused None . [The amount of material needed to reduce the intensity of the beam by 1/10 is called:] Half-value layer Tenth-value layer Total filtration Inherent filtration None . [Highly reactive ions that have unpaired electrons in the outer shell are called:] Electrified Radiolytic Hydrogen peroxide Free radicals None . [The feature that automatically adjusts kVp and mA during fluoroscopy is called:] AEC ABC DQE SNR None . [An imaging exam using a contrast agent to evaluate possible herniated intervertebral discs is called a(n):] Arthrogram Spinal study Myelogram Discography None . [Which of the following may be used to measure in-air exposures in a fluoroscopic room?] TLD Film badge Handheld ionization chamber Geiger-Mueller detector None . [OSL dosimeters may be worn for:] 1 month 1 week 3 months 1 year None . [Grid cutoff may be described as:] Decreased density in the middle of the radiograph caused by the use of a parallel grid inserted upside down Decreased density on a radiograph as a result of absorption of image-forming rays Increased density in the center of a radiograph caused by the use of a focused grid inserted upside down Decreased density on the edges of a radiograph only None . [Structure F is the fig. ] Hamate Trapezium Trapezoid Capitate None Comment . [When the PA oblique projection for the sacroiliac joints is performed, the side of interest is:] Farthest from the image receptor Closest to the image receptor Rotated 10 degrees Rotated 45 degrees None . [Choose all that describe the outcome of using high kVp (choose 3):] High contrast Few gray tones Long-scale contrast Short-scale contrast Low contrast Many gray tones None . [The secondary protective barrier used in room shielding must be at least how thick?] 1⁄32-inch Al equivalent 1⁄16-inch Al equivalent 1⁄16-inch Pb equivalent 1⁄32-inch Pb equivalent None . [One (1) is the radiation weighting factor (WR) for:] Neutrons Gamma rays Cosmic rays Radon None . [The best scatter cleanup is achieved with the use of:] Air gap technique Focused grids Crosshatch grids Parallel grids None . Time's up
