Welcome to your Radiography Name: Email: [What condition causes a narrowing of the sphincter at the distal end of the stomach?] Diverticula Ulcerative colitis Pyloric stenosis Adynamic ileus None . [Structure f is the fig.] Jejunum Ascending colon Hepatic flexure Descending colon None Comment . [What plane passes transversely across the body?] Transverse plane Midcoronal plane Median sagittal plane Sagittal plane None . [Which photon-tissue interaction makes radiography possible because of its creation of contrast?] Compton Coherent Photoelectric Pair production 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 . [Magnification is caused by: 1. Short SID 2. Long SID 3. Short OID 4. Long OID] 2, 3 1, 4 1, 3 1 only None . [What agency publishes radiation protection standards based on scientific research?] Nuclear Regulatory Commission (NRC) American Society of Radiologic Technologists (ASRT) National Council on Radiation Protection and Measurements (NCRP) Bureau of Radiological Health (BRH) None . [Infectious waste is placed in containers:] Made of lead Properly labeled with the type of waste therein That are incinerated Made of plastic only None . [Diabetic patients should be scheduled:] Later because of their need for insulin Early because of their need for insulin Just before mealtime Just after mealtime None . [Digital systems operate at what speed class?] 200 400 100 The speed class chosen by the radiographer 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 . [The feature that automatically adjusts kVp and mA during fluoroscopy is called:] AEC ABC DQE SNR None . [Three-phase, 6-pulse full-wave rectification produces:] Direct current with 13% ripple Direct current with 4% ripple Direct current with 100% ripple Alternating current with 13% ripple None . [For AP projection of the toes, the central ray enters at the:] Third metatarsophalangeal joint Second metacarpophalangeal joint First metatarsophalangeal joint Second metatarsophalangeal joint None . [Which of the following is composed of solid-state silicon-based diodes?] Step-down transformer Rectifier Cathode Timer None . [What describes torts?] Violations of criminal law Considered part of personal injury law Provide for compensation for injury Violations of civil law that are part of personal injury law and provide for compensation for injury None . [The minimum two projections needed for every radiographic exam are:] Flat and upright Two at right angles to one another AP and lateral Right and left oblique None . [Noise increases with an increase in:] mAs Speed class SID OID None . [Which of the following requires that all equipment and personnel be carefully covered?] Airborne precautions Contact precautions Droplet precautions Patients with neutropenia None . [What describes a bowel obstruction caused by immobility of the bowel?] Diverticula Ulcerative colitis Pyloric stenosis Adynamic ileus None . [Which of the following is not required for valid consent?] Patient must be of legal age Patient must be adequately informed and sign a consent form Patient must be mentally competent Consent must be offered voluntarily None . [The average dose to active bone marrow as an indicator of somatic effects on a population is called:] Doubling dose Bone dose GSD Mean marrow dose None . [An imaging exam using a contrast agent to evaluate possible herniated intervertebral discs is called a(n):] Arthrogram Spinal study Myelogram Discography None . [The total of air kerma over the exposed area of the patient is called:] Dose area product Mean marrow dose Genetically significant dose Total patient dose None . [An ionization chamber circuit places:] A photomultiplier tube between the IR and the patient An ionization chamber beneath or behind the IR An ionization chamber between the patient and the x-ray tube An ionization chamber between the IR and the patient None . [Violations of civil law are known as:] Assault Battery False imprisonment Torts None . [Structure D is the fig. ] Pisiform Lunate Triquetral Hamate None Comment . [When making an exposure, the radiographer should:] Hold the rotor for several seconds before pressing “expose” Activate the rotor and exposure switch in one continuous motion Begin the rotor while a student is still positioning the patient Activate the rotor while estimating how fast the anode is spinning None . [A procedure used to evaluate biliary and pancreatic pathologic conditions with an endoscope is:] Ultrasound MRI ERCP IVP None . [In digital fluoroscopy, the image should be viewed on what device to take advantage of the digital capabilities?] Digital viewbox High-resolution monitor High-definition TV Plasma TV None . Time's up
