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RDA EXAM PRACTICE QUESTIONS FOR RADIOLOGY QUESTIONS WITH CORRECT DETAILED ANSWERS 2024
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RDA EXAM PRACTICE QUESTIONS FOR RADIOLOGY QUESTIONS WITH CORRECT DETAILED ANSWERS 2024
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RDA EXAM PRACTICE QUESTIONS FOR RADIOLOGY QUESTIONS WITH CORRECT DETAILED ANSWERS 2024. a bite wing film shows the _____ of both the _____ and _____. - ANSWER - crowns , maxilla and mandible the _____ film provides a wide view of the maxilla and mandible. - ANSWER - panoramic _____ film can be used in cassettes. - ANSWER - extraoral Occlusal film is so named because it is ____ than periapical or bitewing film and the patient ____ the entire film. - ANSWER - larger, occludes the _____ radiograph is the film of choice for the evaluation of apical lesions. - ANSWER - periapical the radiograph most commonly exposed for an orthodontic patient is the : - ANSWER - cephalometric radiographs that show an image of the entire length of the teeth, including the apex, are termed: - ANSWER - periapical what radiograph would be prescribed for the evaluation of the skeletal structures of the face? - ANSWER - cephalometric radiographs are used in an oral diagnosis to detect all of the following except____ - ANSWER - malooclusion Root fractures occur most often in the : - ANSWER - maxillary central incisors which of the following methods is best for taking a radiograph of an impacted third molar on the mandible? - ANSWER - lateral jaw projection - ramus of mandible it is difficult radiographically to differentiate dentin from: - ANSWER - cementum most lesions appear ____ on processed radiographs. - ANSWER - radiolucent caries that radiographically involve the dentine the dentin are classified as _____. - ANSWER - advanced An example of caries that is almost never seen on a radiograph is ____. - ANSWER - lingual temporary acrylic crowns appear _____on radiographs - ANSWER - radiolucent gold crowns appear _____on radiographs. - ANSWER - radiopaque cement bases under restorations appear _____ on a radiograph. - ANSWER - radiopaque bite wing projections cannot be used to detect : - ANSWER - root fractures fractures of the mandible will appear : - ANSWER - as a radiolucent line implants will appear _____ on radiographs - ANSWER - radiopaque to obtain the best definition of a suspected residual root tip, a _____ projection should be used. - ANSWER - periapical a malignant tumor of bone will appear _____on radiographs. - ANSWER - radiopaque an enlarged and bulbous, or club shaped root is usually a sign of__________ - ANSWER - hypercementosis Preparation of supplies and equipment involves sterilizing which of the following items? - ANSWER - film holding device Cassettes with intensifying screens are used in extraoral radiography to _____ - ANSWER - decrease patient chair time If a lead apron is folded after being used, it will ____ and ____. - ANSWER - crack, become ineffective the lead apron is - ANSWER - Recommended for intraoral films size 3 film is _____ and is used only for _____ images - ANSWER - longer and narrower , bitewing the sizes available for bitewing film include: - ANSWER - 0,1,2,3 size 0 is commonly used on : - ANSWER - children what size film is used with the posterior XCP instrument? - ANSWER - 2 with faster F -speed film, a single intraoral film results in a surface skin exposure of ____ milliroentgens. - ANSWER - 100 with size 2 film, a total of ____ anterior film placements are used with the paralleling technique. - ANSWER - 6 which size film is traditionally used with the bisecting technique? - ANSWER - No. 2 film for anterior teeth and for posterior teeth when vertical posterior bite wing exposures are indicated, size _____ film is placed with the long portion of the film in a _______ direction - ANSWER - 2, vertical in a dental practice where many HIV - positive patients are treated, the film rollers in the automatic processor should be: - ANSWER - treated in the usual accepted manner Commercially available barrier envelopes - ANSWER - Minimize contamination after exposure of the film To help reduce the gag reflex - ANSWER - Try to reduce tactile stimuli When the voltage is increased: - ANSWER - Electrons move from the cathode to the anode with more speed the quantity of x -rays produced is controlled by ____ - ANSWER - milliamperage which of the following changes will increase x -ray beam intensity? - ANSWER - decreasing the source to film distance if the radiographic processing time is too long, the film will appear _____ - ANSWER - dark the hardening agent in processing fixer is (are): - ANSWER - potassium alum Failure to add replenisher as needed each day to an automatic processor will result in? - ANSWER - poor quality films X-ray film can be removed from the fixer after ____ minutes for a wet reading and ____. - ANSWER - 3 min, returned to fixer for the remainder of processing what is the optimum development time and temperature for radiographic films using manual processing? - ANSWER - 68 °F for 5 min light leaks in a darkroom will cause - ANSWER - Fogging of the film which exposure error results in the " herringbone effect" ? - ANSWER - film reversal a fogged film appears - ANSWER - Gray and lacks detail and contrast static electricity appears as _____ on a film - ANSWER - Black branching linesThe benefits of buying summaries with Stuvia:
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