Welcome to your Radiography Name: Email: [Given an original technique of 20 mAs and 80 kVp, which of the following would produce a radiograph with double the IR exposure?] 40 mAs, 90 kVp 30 mAs, 92 kVp 40 mAs, 80 kVp 15 mAs, 92 kVp None . [The latest digital fluoroscopic units use:] Nonionizing radiation CR cassettes Conventional image intensifiers Flat panel plates similar to DR None . [Which of the following contains all equipment and drugs needed during respiratory arrest?] Crash cart Suction unit Defibrillator Sphygmomanometer None . [Which of the following is (are) relatively insensitive to radiation?] Nerve tissue Reproductive cells Epithelial tissue Immature sperm cells None . [Because barium enemas increase the possibility of contact between body substances and clothing, the radiographer should always wear:] Disposable gowns or surgical scrubs Head covering Shoe covering A regular hospital uniform None . [The concept of the reasonably prudent person is interpreted as:] How a reasonable jury member would perform the act How a professional who has similar education, training, and experience would perform the act How a prudent attorney would interpret the act How a reasonable and prudent judge would rule on the act None . [The ARRT Rules of Ethics and Code of Ethics are contained in what document?] Standards of Ethics Practice Standards Mission Statement Scope of Practice None . [The energy stored in an OSL dosimeter is released when the dosimeter is exposed to:] Heat White light Laser Ultrasound 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 . [Unjustified restraint of a patient defines:] Assault Battery False imprisonment Invasion of privacy None . [A “typical” skull would be described as:] Synarthroses Amphiarthroses Diarthroses Mesocephalic None . [The apparent size of the focal spot as viewed by the image receptor is called the:] Actual focal spot Target angle spot Anode heel effect Effective focal spot None . [Indirect contact involves:] Coughs or sneezes An object containing pathogenic organisms Plants and animals Other humans None . [The lowest intensity of scatter radiation from the patient is located:] At the head of the table At a 90-degree angle from the patient At a 180-degree angle from the patient At the foot of the table None . [Bradycardia indicates a pulse of:] Greater than 100 beats per minute Greater than 60 beats per minute Greater than 90 beats per minute Less than 60 beats per minute None . [Which of the following describes the amount of radiation required to increase the number of mutations in a population by a factor of 2?] Indirect effect Target theory Doubling dose Mutations None . [An algorithm is:] A mathematical hypothesis used in imaging A mathematical formula used to reconstruct the image in digital imaging An advanced imaging procedure The mathematical basis for film-screen imaging None . [The injection site for a lumbar myelogram is:] C6-C7 L5-S1 L3-L4 L1-L2 None . [For axial projection of the calcaneus, the central ray is angled how many degrees to the long axis of the foot?] 25 15 10 40 None . [BMI can have an important impact on diagnostic imaging. What does BMI stand for? fig.] Below measurable index Body mass in imaging Body mass index Body measurement index None Comment . [What is used to reduce both patient dose and the production of scatter radiation?] Grids High speed class Collimation Filtration None . [X-rays are produced as incident electrons are slowed going past the nuclei of target atoms by a process called:] Classical Photoelectric Bremsstrahlung Compton None . [The number of pixels making up the digital image is the:] Pixel depth Matrix size Pixel pitch Field of view None . [Manual manipulation of the digital image after acquisition is referred to as:] Digital coding Postprocessing Leveling Archiving None . [Which exposure factor causes excessive image noise if set too high?] kVp mAs AEC Time None . [The greatest source of natural background radiation to humans is:] X-rays Delta rays Radon Radium None . [An interaction that produces x-rays at the anode as a result of outer shell electrons filling holes in the K-shell is called:] Characteristic Photoelectric Compton Brems None . [Which of the following is also known as coherent scattering?] Photoelectric interaction Compton interaction Classical scatter Pair production None . [What condition is most often seen in elderly patients?] Hydrocephalus Paget disease Osteoporosis Rickets None . [Mutations are examples of:] Short-term somatic effects Genetic effects Acute radiation syndrome Long-term somatic effects None . Time's up
