Welcome to your Radiography Name: Email: [When performing mobile radiography on a patient in isolation, which two radiographers are designated?] Primary and secondary Clean and contaminated Technologist and student Clean and dirty None . [What condition includes enlarged kidneys containing numerous cysts?] Polycystic kidney disease Renal calculus Wilms tumor Renal cysts None . [Which of the following is used to feed a patient or conduct gastric suction?] Urinary catheter Chest tube Ventilator NG tube None . [Which of the following causes about 95% of the cellular response to radiation?] Direct effect Law of Bergonie and Tribondeau Target theory Indirect effect None . [If the radiographer touches hazardous chemicals, what must be done first?] Rinse immediately with warm water Rinse immediately with cool water for at least 5 minutes Rinse immediately with cool water for at least 15 minutes Rinse with the warmest water that can be tolerated None . [The amount of energy deposited by radiation per unit length of tissue being traversed is:] LET, which determines the use of a WR when the equivalent dose is being calculated Linear energy transfer Higher for wave radiations than for particulate radiations LET, which is expressed as a WR when absorbed dose is being calculated None . [The agency that enforces radiation protection standards relating to radioactive material at the federal level is the:] Nuclear Regulatory Commission (NRC) International Commission on Radiation Protection (ICRP) National Council on Radiation Protection and Measurements (NCRP) Bureau of Radiological Health (BRH) None . [Structure B is the fig.] Intervertebral foramen Spinous process Pedicle Lamina None Comment . [Which of the following occurs when radiation transfers its energy to DNA?] Indirect effect Target theory Direct effect Mutations None . [What is the smallest particle of an element that retains the characteristics of the element?] Mole Atom Molecule Quark None . [Which of the following grid errors would result in an image that shows normal exposure in the middle but decreased exposure on the sides, assuming the correct side of the grid faces the x-ray tube?] Upside down Off-level Lateral decentering Grid-focus decentering None . [Improper use of grids may result in an image artifact known as:] SNR Moiré pattern Elongation Foreshortening None . [The x-ray beam changes as it travels through the patient by a process called:] Filtration Attenuation Electrification Annihilation None . [Filters made of aluminum and copper are placed in the film badge to measure x-ray:] Quantity Source Energy Type None . [mAs directly control:] The energy of the x-ray emission spectrum The quality and quantity of x-rays produced at the cathode The quality and quantity of x-rays produced at the anode The quantity of x-rays produced at the anode None . [Infectious waste must be handled according to which of the following?] Radiation protection guidelines Radiology department rules CDC guidelines The condition of the patient None . [For AP projection of the cervical spine, the central ray is directed:] 10 degrees cephalad Parallel to C4 15 to 20 degrees caudad 15 to 20 degrees cephalad None . [A software function that evens the brightness displayed in the image is called:] Smoothing Equalization Postprocessing Subtraction None . [How thick are primary protective barriers?] 1⁄32-inch lead equivalent 1⁄16-inch aluminum equivalent 1⁄32-inch concrete 1⁄16-inch lead equivalent None . [The structure designated as V is the fig.] Glenoid fossa Acromion Coronoid process Coracoid process None Comment . [If SID is increased, what is the effect on IR exposure?] Increases Decreases No appreciable effect None . [According to NCRP Report #116, the occupational cumulative effective dose limit = age in years × what dose?] 5 mSv 0.1 mSv 0.5 mSv 10 mSv None . [If there is a decrease in source-to-object distance, what happens to spatial resolution?] Increase Decrease No appreciable effect None . [Which of the following conditions is seen primarily in children?] Polycystic kidney disease Renal calculus Wilms tumor Renal cysts None . [For radiography of the fingers, the central ray enters:] Perpendicular to the distal interphalangeal joint Parallel to the distal interphalangeal joint Parallel to the proximal interphalangeal joint Perpendicular to the proximal interphalangeal joint None . [When the clavicle is being radiographed, which of the following statements are true? 1. PA projection must always be used 2. A central ray angle of 25 to 30 degrees cephalad is used for the PA axial projection 3. The patient’s head should be turned away from the affected side 4. AP projection may be used for patient comfort 5. An erect position may be used for patient comfort 6. A central ray angle of 25 to 30 degrees caudad is used for the PA axial projection] 1, 2, 3, 4, 5 1, 3, 4, 5 2, 3, 4, 5 3, 4, 5, 6 None . [In computed radiography, each pixel corresponds to a shade of gray representing an area in the patient known as a(n):] Pathology Density Voxel Artifact None . [Spatial resolution is:] Photographic representation of the part being radiographed Controlled by kVp Controlled by mAs Geometric representation of the part being radiographed None . [In patient care, the radiographer must be constantly aware of the myriad of variations among people of all backgrounds and experiences. This involves the study and understanding of:] Nonverbal communication Diversity Verbal communication only Patient preferences None . [As radiation strikes matter:] The energy of the rays is destroyed The energy of the rays is increased as they acquire the energy of the atoms The energy is transferred to the atoms according to the law of conservation of energy The energy is converted to matter according to Einstein’s theory None . Time's up
