Welcome to your Radiography Name: Email: [Structure B is the fig. ] Pedicle Spinous process Coracoid process Lamina None Comment . [Barium sulfate is classified as a(n):] Dissolvable organic salt Inert inorganic salt Nonionic contrast agent Iodinated contrast agent None . [A high SNR provides an image with:] Poor spatial resolution Higher spatial resolution Poor contrast Higher distortion None . [Which of the following measures tube current?] Anode mA meter Ionization chamber Falling load generator None . [This item is used to restore the heart to normal rhythm:] Crash cart Suction unit Defibrillator Sphygmomanometer None . [Cells are more radiosensitive when:] Fully oxygenated Deoxygenated Slowly dividing Near the skin None . [When radiography is performed on patients in isolation, the IR:] Should be placed in a protective covering only if the patient is in reverse isolation Must always be placed in a protective covering Should be placed in a protective covering to keep it free of microbes Should be placed in a protective covering so that no microbes leave the room None . [Total brightness gain achieved using an image intensifier equals:] Flux gain times minification gain Diameter of input phosphor times diameter of output phosphor Intensification factor—brightness without an image intensifier divided by brightness with an image intensifier Total light emitted at the photocathode None . [Areas for the general public, such as waiting rooms and stairways, are considered:] Controlled areas Uncontrolled areas Off-limits areas Radiation areas None . [For lateral projection of the cervical spine, the central ray is directed:] Perpendicular to C4 Parallel to C4 15 to 20 degrees caudad 20 to 25 degrees cephalad None . [The structure designated as III is the fig. ] Tubercle Lateral condyle Medial condyle Intercondylar eminence None Comment . [The word part that means “organ” is:] Viscer Megal Trans Emia None . [Compton interaction:] Increases contrast in the radiographic image Results in scattering of the incident electrons Decreases recorded detail in the radiographic image Decreases contrast in the radiographic image None . [The unit of radiation absorbed in air is the:] Sv Gya Bq Gyt None . [The best way to keep the radiation dose to the patient low is:] Distance Shielding Time Avoidance of repeat exposures None . [What follows an allergic reaction to foreign proteins?] Anaphylaxis Cardiogenic shock Hypovolemic shock Septic shock None . [The window level in computed radiography is the:] Area of the patient being irradiated Amount of radiation needed to obtain the image Midpoint of densities Top of the midpoint of densities None . [Structure F is the fig.] Obturator foramen Ischial tuberosity Greater trochanter Lesser trochanter None Comment . [Which of the following produces scatter as a result of vibration of orbital electrons?] Photoelectric interaction Compton interaction Coherent scatter Pair production None Comment . [What allows more anatomic structures to be captured during an exposure?] Contrast resolution Spatial resolution Dynamic range MTF None . [The pelvocalyceal system reaches greatest visualization approximately how many minutes after injection?] 1 to 2 2 to 5 2 to 8 15 to 20 None . [If you suspect an object is contaminated, assume:] That it is contaminated That it should be used immediately That it is not contaminated, so as not to waste supplies That your hands must be sterilized None . [In an attempt to maintain the quality of patient care at the highest level possible over time, proof of continuing education is mandatory for renewal of certification with:] State licensing boards in all 50 states American Society of Radiologic Technologists The Joint Commission ARRT None . [When a tangential projection of the patella is performed with the patient prone, the central ray should be angled:] 15 degrees cephalad 15 degrees caudad 25 degrees cephalad 45 degrees cephalad None . [The exposure switch must keep the radiographer behind the:] Primary protective barrier Secondary protective barrier X-ray tube Door None . [Factors that may cause the patient to react to a contrast agent simply as a result of anxiety are termed:] Local irritation Cardiovascular Anaphylactic Psychogenic None . [A concept of radiologic practice that encourages radiation users to adopt measures that keep the dose to the patient and themselves at minimum levels is called:] LET RBE MPD ALARA None . [LET and biological damage are:] Directly proportional Indirectly proportional Inversely proportional Unrelated None . [The most effective method to prevent the spread of infection is:] Use of gloves Use of gowns Time, distance, and shielding Handwashing None . [Somatic effects manifest in:] The person who has been irradiated The next generation Newborns Imaging technologists None . Time's up
