ARRT EXAM REVIEW 2023/2024

ARRT EXAM REVIEW 2023/2024 What is the correct term used to describe an intravenous injection of a concentrated volume of contrast media? a. bolus b. infusion c. extravasation d. luminal - CORRECT ANSWER-a. bolus Which of the following methods utilizes a detector that captures x-ray energy and converts it into an electronic signal? a. indirect capture b. CCD c. cassette based radiography d. direct capture - CORRECT ANSWER-d. direct capture The energy of a characteristic x-ray photon created when an L shell electron fills a K shell vacancy in a tungsten atom will have which of the following energies? a. 69.5 keV b. 57.5 keV c. 91.5 keV d. 12 keV - CORRECT ANSWER-b. 57.5 keV The energy of characteristic photons is determined by the difference in binding energies between the two electron shells involved in the process, which in this question are K and L shells. 69.5 (K shell) minus 12 (L shell) equals 57.5. Identify the position that will place the positive contrast agent in the body of the stomach and pyloris during a double contrast upper GI exam? a. recumbent LPO b. supine c. recumbent RPO d. prone - CORRECT ANSWER-d. prone which position/projection will best demonstrate the broad aspect of the frontal air sinus? - CORRECT ANSWER-PA Which position will best demonstrate the right axillary portion of the ribs? - CORRECT ANSWER-RPO Which position will emphasize the mucosal lining of the medial wall of the descending colon during a lower GI exam? - CORRECT ANSWER-left lateral decubitus Which projection of the wrist will best demonstrate the interspaces of the carpal bone? - CORRECT ANSWER-AP An image is acquired with computed radiography using which of the following methods? a. a cassette that is electronically charged b. conventional film/screen processing c. the use of a storage phosphor d. nonne of the above - CORRECT ANSWER-c. the use of a storage phosphor A transformer constructed with 10,00 primary turns and 2,500 secondary turns will yield an output voltage of _____ when being supplied with 210 volts. a. 2710 volts b. 52.5 volts c. 840 volts d. 525 volts - CORRECT ANSWER-b. 52.5 volts Which of the following circuit components is considered to be the source for kVp? a. step-up transformer b. autotransformer c. step-down transformer d. high voltage transformer - CORRECT ANSWER-b. autotransformer Which of the following meds is administered to a patient during an allergic reaction? a. Adenocard b. Intropin c. Lasix d. Decadron - CORRECT ANSWER-d. Decadron If the improper body part is selected from the exam menu, which of the following may result? a. there will be no image b. there may be image misinterpretation c. will exhibit proper contrast and density d. image sharpness will not be affected - CORRECT ANSWER-b. there may be image misinterpretation Which of the following combinations are needed in digital radiography system to produce an image? a. intensifying screen & TFT b. x-ray absorber & CCD c.. storage phosphor plate & CCD d. storage phosphor plate & TFT - CORRECT ANSWER-b. x-ray absorber & CCD Exposure latitude is also known as which of the following? a. dynamic range b. spatial resolution c. subject contrast d. characteristic response - CORRECT ANSWER-a. dynamic range All of the following components are within the glass/metal enclosure of the x-ray tube except... a. anode b. stators c. rotors d. filament wires - CORRECT ANSWER-b. stators Universal precautions should be practiced on.. a. all isolation patients b. CCU patients c. pediatric patients d. All patients - CORRECT ANSWER-d. All patients What is the minimum source to skin distance allowed for a mobile fluoroscopic unit? - CORRECT ANSWER-12 inches Pregnant technologists should not receive more than ___ rem for the duration of the pregnancy. a. 3 b. 0.5 c. 0.15 d. 2.5 - CORRECT ANSWER-b. 0.5 rem How much annual exposure can a 49 year old occupational worker receive? a. 490 mSv b. 290 mSv c. 50 mSv d. 75 mSv - CORRECT ANSWER-c. 50 mSv What is the primary purpose for the use of beam filtration? a. to reduce skin entrance exposure b. to modify subject contrast c. to limit the production of secondary radiation d. to offset variations in part thickness - CORRECT ANSWER-a. to reduce skin entrance exposure The reproducibility of exposures of a radiographic unit must not vary more than ____ % to be considered within acceptable limits. a. 2.5 b. 5 c. 10 d. 12.5 - CORRECT ANSWER-5% Average body build comprising 50% of the population? - CORRECT ANSWER-Sthenic Below average body build comprising 35% of the population? - CORRECT ANSWERHyposthenic Extremely small body build comprising 10% of the population? - CORRECT ANSWERAsthenic Above average or massive body build comprising 5% of the population? - CORRECT ANSWER-Hypersthenic What makes up the axial skeleton? - CORRECT ANSWER-toward the center or middle of the body- includes skull, hyoid, vertebral column, and thorax. What makes up the appendicular skeleton? - CORRECT ANSWER-upper & lower extremities, the shoulder girdle & pelvic girdle The mastoid process is located at the level of... - CORRECT ANSWER-C1 The thyroid cartilage is located at the level of... - CORRECT ANSWER-C4-5 The vertebral prominens is located at the level of... - CORRECT ANSWER-C7 The sternal/jugular notch is located at the level of... - CORRECT ANSWER-T2-3 The sternal angle is located at the level of... - CORRECT ANSWER-T4-5 The inferior angle of the scapula is located at the level of... - CORRECT ANSWER-T7 The xiphoid tip is located at the level of... - CORRECT ANSWER-T10 The umbilicus is at the level of... - CORRECT ANSWER-L3-4 The iliac crest is at the level of... - CORRECT ANSWER-L4 The greater trochanter is at the level of... - CORRECT ANSWER-the pubic symphysis The lower costal margin is at the level of... - CORRECT ANSWER-L1-2 The ASIS is at the level of... - CORRECT ANSWER-S1 AP Axial Skull is also known as... - CORRECT ANSWER-"Townes" method PA Axial skull is also known as... - CORRECT ANSWER-Caldwell method