ARRT Exam Review With 100% Correct Answers 2023, Exercises of Advanced Education

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ARRT Exam Review With 100% Correct

Answers 2023

According to the National Council on Radiation Protection and Measurements (NCRP), the gestational dose-equivalent limit for embryo/fetus of a pregnant radiographer is - Correct Answer-0.5 mSv The annual occupational whole-body dose-equivalent limit for students under the age of 18 years is - Correct Answer-1 mSv (100 mrem or 0.1 rem) The amount of time that x-rays are being produced and directed toward a particular wall is referred to as the - Correct Answer-use factor number of x-ray exposures made per week - Correct Answer-workload Patient dose increases as fluoroscopic - Correct Answer-FOV decreases The interaction between x-ray photons and tissue that is responsible for radiographic contrast but that also contributes significantly to patient dose is - Correct Answer-the photoelectric effect Pair production occurs only at very high energy levels, at least - Correct Answer-1. MeV Which of the following voltage ripples is (are) produced by single-phase equipment - Correct Answer-100% voltage ripple Early symptoms of acute radiation syndrome include - Correct Answer-leukopenia, nausea and vomiting Early symptoms of acute radiation syndrome include - Correct Answer-Lanthanum oxybromide Gadolinium oxysulfide The moral principle that describes the radiographer's aspiration to do no harm or to allow no act that might cause harm to the patient is termed - Correct Answer- nonmaleficence refers to the right of every individual to act with personal self-reliance - Correct Answer- Autonomy Which of the following positions demonstrates all the paranasal sinuses? - Correct Answer-lateral

The parietoacanthial (Waters' method) projection demonstrates the - Correct Answer- maxillary sinuses. The PA axial with a caudal central ray (Caldwell) demonstrates the - Correct Answer- frontal and ethmoidal sinus groups. The presence of ionizing radiation may be detected in which of the following ways? - Correct Answer-Ionizing effect on air Photographic effect on film emulsion Fluorescent effect on certain crystals The device that receives the remnant beam, converts it into light, and then increases the brightness of that light is the - Correct Answer-image intensifier Which of the positions illustrated in Figure A will best demonstrate the lumbar intervertebral foramina? - Correct Answer-lateral The rad may be described as - Correct Answer-energy deposited in an absorber. A parallel-plate ionization chamber receives a particular charge as x-ray photons travel through it. This is the operating principle of which of the following devices? - Correct Answer-AEC n a lateral projection of the nasal bones, the CR is directed - Correct Answer-¾ inch distal to the nasion What is the established annual occupational dose-equivalent limit for the lens of the eye? - Correct Answer-150 mSv The annual occupational dose-equivalent limit for the thyroid, skin, and extremities is - Correct Answer-500 mSv (50 rem) An optically stimulated luminescence dosimeter contains which of the following detectors? - Correct Answer-Aluminum oxide OSL dosimeters are personnel radiation monitors that use - Correct Answer-aluminum oxide crystals What quantity of radiation exposure to the reproductive organs is required to cause temporary infertility? - Correct Answer-200 rad A device used to ensure reproducible radiographs, regardless of tissue-density variations, is the - Correct Answer-phototimer

The x-ray interaction with matter that is responsible for the majority of scattered radiation reaching the image receptor (IR) is - Correct Answer-Compton scatter The total brightness gain of an image intensifier is the product of - Correct Answer-flux gain minification gain Which of the following skull positions will demonstrate the cranial base, sphenoidal sinuses, atlas, and odontoid process? - Correct Answer-Submentovertical (SMV) states that a particular milliampere-seconds value, regardless of the combination of milliamperage and time, should produce the same degree of blackening. - Correct Answer-reciprocity law Which of the following can be used to determine the sensitivity of a particular film emulsion - Correct Answer-Characteristic Sensitometric curve Which of the following x-ray circuit devices operate(s) on the principle of mutual induction? - Correct Answer-High-voltage transformer Filament transformer Which type of dose-response relationship represents radiation-induced leukemia and genetic effects? - Correct Answer-Linear, nonthreshold