Welcome to your Radiography Name: Email: [Heat is produced in the x-ray tube as:] Electrons break apart while striking the anode Electrons interact with the target material The anode stops spinning The rectifier operates None . [Linear energy transfer:] Is the same for all types of radiation Is the same for wave and particulate radiations used in diagnosis and treatment Occurs only during x-ray procedures Varies for different types of radiation None . [The variation of x-ray intensity along the longitudinal axis of the x-ray beam describes:] Beam collimation Positive beam limitation Anode heel effect X-ray emission spectrum None . [When the PA projection of the skull is performed to image the frontal bone: 1. The central ray is directed perpendicular to the IR 2. The OML is perpendicular to the IR 3. The central ray exits at the glabella 4. MSP is parallel to the cassette] All are true 1, 2 1, 3, 4 1, 3 None . [Structure C is the fig.] Pedicle Coronoid process Transverse process Lamina None Comment . [The energy stored in an OSL dosimeter is released when the dosimeter is exposed to:] Heat White light Laser Ultrasound None . [When a quality control test is performed to ensure that the penetrating ability of the x-ray beam is accurate, the result must be within what amount of the control panel setting?] 2% of SID 4% 10% 50% None . [The exposure switch must keep the radiographer behind the:] Primary protective barrier Secondary protective barrier X-ray tube Door None . [Undesirable fluctuations in brightness are called:] MTF Image noise Quantization Scintillation None . [At what speed do x-rays travel?] The speed of light—186,000 miles per hour The speed of the incident electrons—93,000 miles per second The speed of light—186,000 miles per second Infinite speed None . [Where is light energy converted to electrons? fig. ] A B C D None Comment . [If medication needs to be ordered for a patient in the radiology department, a physician always: 1. Chooses the drug and the dosage 2. Selects the route of administration 3. Administers the drug] 1 and 2 only 1 and 3 only 2 and 3 only 1, 2, and 3 None . [A system that uses barriers between individuals and assumes all patients are infectious is called:] Standard precautions Whole-body isolation Sterile technique Surgical asepsis None . [The structure designated as II is the fig.] Pedicle Superior vertebral notch Interior vertebral notch Spinous process None Comment . [Structure F is the fig.] Obturator foramen Ischial tuberosity Greater trochanter Lesser trochanter None Comment . [The most important point to remember when performing trauma radiography is:] Use gonadal shielding because this patient will be having many follow-up exams Work quickly because the injuries may be lifethreatening Do no additional harm to the patient Perform only the projections ordered by the physician None . [Flushing, urticaria, and nausea are symptoms of what type of contrast agent reaction?] Local irritation Cardiovascular shock Anaphylactic shock Psychogenic shock None . [Filters made of aluminum and copper are placed in the film badge to measure x-ray:] Quantity Source Energy Type None . [Radial deviation is synonymous with fig. ] Radial flexion Radial deviation Ulnar flexion Dorsiflexion None Comment . [Lightness and darkness of the image in computed radiography may be adjusted by:] Doubling the kVp Adjusting the window level Adjusting the window width Using digital fluoroscopy 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 . [Increased dose equals increased probability of effects best describes which of the following?] Stochastic effects Deterministic effects Direct effect Indirect effect None . [The structure designated as II is the fig. ] Humeral head Acromion Coracoid process Coronoid process None Comment . [If SID is increased, what is the effect on IR exposure?] Increases Decreases No appreciable effect None . [At the time of exposure, the charge on the focusing cup is:] Irrelevant Positive Negative Alternating None . [This type of infection transmission occurs when an animal contains and transmits an infectious organism to humans:] Contact transmission Airborne transmission Droplet transmission Vectorborne transmission None . [The accuracy of collimation at a 60-inch SID must be:] ± 6 inches ± 3 inches ± 2 inches ± 1.2 inches None . [What body type is a massive build?] Hypersthenic habitus Sthenic habitus Hyposthenic habitus Asthenic habitus None . [Used bandages and dressings must be placed into:] Lead containers Waterproof bags and sealed Plastic bags Metal pans None . [What condition is characterized by soft bones resulting from deficiency of vitamin D and sunlight?] Hydrocephalus Paget disease Osteoporosis Rickets None . Time's up
