/260 283 Dental Imagery Preparation (Pr. Pen Nun) 1 / 260 1) αααααααΆαα Contact High tension element αααααα’αααΈ ααααααααΈ Cathode αα anticathode? (ααααΆααΆαα»α): a. X-Ray b. Atom c. Electron d. Photon 2 / 260 2) A specific radioactive source will always produce gamma rays at the same: a. Intensity b. Energy levels c. Activity d. None of the above 3 / 260 3) Undercut is the loss of resolution at a sharp, thickness transition area due to: a. Sidescatter b. Scattering within the part c. Scattering within the film d. Backscatter 4 / 260 4) αααα»ααα αα ααααα Film Extraoral, Film low speed α’ααααΌα: a. ααα’ααΆαα ααα·α High Speed b. α’ααααΌααα·αααΌαααα’ααΌα α ααα·α High Speed c. ααΌα ααΌαααα’ααΌα ααααΆ 5 / 260 5) ααΉαFixateur ααΆααααααα? a. αα’α·α b. ααΌα c. ααα’αΌα d. ααΆαααααα½α 6 / 260 6) ααΎααα’ααααΎαα·ααααΆα’αααΈααΎα William Conrad Roentgen α’αααααααααΆααααααΈαααααΆααααααΎαααΆ X-Ray : a. Mathematic ( algebra ) b. Chemistry c. C- Physic d. Biology 7 / 260 7) Central Ray (C.R) ααααΎαααα»αααΆααΆααΆααααΊ:?: a. Rayon Central b. Rayon Principale c. Rayon Choisie 8 / 260 8) Radiographic contrast describe: a. The sharpness of lines in a radiograph b. The difference in density between two different radiographs c. The average photographic density in a radiograph d. The differences in photographic density in a radiograph 9 / 260 9) α ααα·α High Speed ααΆα: a. Film E b. Film D c. Film C d. Film A+B 10 / 260 10) Occlusal Radiograph ααααΎα αααΈαααα α: a. 57mm X 76 mm b. 70mm X 76 mm c. 50mm X 67 mm d. 38mm X 76 mm 11 / 260 11) αα·αααα»αα panoramic ααααααΆαααΌααα Panoramic, TMJ- Cephalometry ααΆαααααα: a. Panelipse b. Panorex c. Orthopantomograph-3 d. Stalin X 12 / 260 12) A beam of energy that has the power to penetrate substances and record image shadows on photographic film.: a. Radiograph b. X-radiation c. Radiography d. X-ray 13 / 260 13) Unexposed X-ray film is comprised of a plastic, transparent base coated with an emulsion containing radiation-sensitive particle known as: a. Neither Metalic silver crystals and Silver halide grains b. Silver halide grains c. Metalic silver crystals d. Metalic silver crystals AND Silver halide grains 14 / 260 14) Unguided film holders: a. All are corrects b. Bite tabs c. Stabe, d. Snap-a-ray, 15 / 260 15) The number of X-ray or Gamma photons that are transmitted through a material depends on the: a. All of the above b. Energy of the photons c. Thickness of the material d. Atomic number of the material 16 / 260 16) ααΉαDeveloper ααΆααααααα?: a. ααΌα b. ααΎα c. ααα’αΆα d. αα’α·α 17 / 260 17) The components of xray machine is: a. All are corrects b. Control panel c. Tubehead d. Extension arm 18 / 260 18) ααΎαα·αααΆααααααααΆααααααΈX ααΎαα·αααα»αα Panoramique ααΆαααα»ααααΆααααααα?: a. 2 b. 4 c. 1 d. 5 19 / 260 19) αααααααααΆααα½ααΆααΈ?: a. αααα½ααααααΆαααΆααα αααΈα b. ααααΆααααααα c. ααααΆααααΆαα ααααααα d. αα»αα’αααααααα‘αΆααααΉααααα 20 / 260 20) Cone αααααΆααααααα>: a. 29 cm b. 25 cm c. 41cm d. 31cm 21 / 260 21) αααα»ααα αα ααααα Periapical αααα»α Step ααΈ1αααααα αα’αααΈ?: a. ααα αααααΆαααααΊ b. ααΎααα»αααΆααααααΎα c. Make Exposure d. ααα αα ααα·α 22 / 260 22) C.R ααΆααΆααααααΈ: a. αα½αααΆα α b. Primaire c. Secondaire d. ααΎαααΎαααααααααααα 23 / 260 23) Kilovolt ααΆ αα a. ααΆαααααααΆααααααΈ X b. ααΆα ααααΆαααα Electron ααααααα»ααααααα½α c. ααΆααα’αααα·αααΈ d. Intensity ααα αααα 24 / 260 24) αααα·αα’αααααα ααα·ααααααααααα: a. α ααα·αααΆααααααΌααααα b. α ααα·αααΆαααα αα c. α ααα·ααα αα d. α ααα·ααα»αααααΎααααΆααααΌααα·αααΆα 25 / 260 25) ααΎααΆααααααΈXααΎαα‘αΎααααααΆ?: a. ααΎα Lowtension αα·α High-tension b. Vacuum α’ααααααα c. Vacuum ααααΆαααααα atmosphΓ©re d. ααΎα Lowtension 26 / 260 26) X-rays and Gamma rays are often referred to as photons because: a. None of the above b. They occur as small packets of energy c. They possess a charge d. They have mass 27 / 260 27) The developer solution basic ingredients is: a. Preservative b. Developing agent c. Accelerator, and d. All are corrects e. Restrainer 28 / 260 28) Radiographic inspection should be used for crack detection only when: a. The test componet is a casting b. The test component is a weldment c. The crack is large d. The orientation of the crack is known 29 / 260 29) X.C.P: a. C ααΆ Cutting b. C ααΆ Cup c. C ααΆ Collimator d. C ααΆβ Cone 30 / 260 30) Periapical Radiograph ααΆαααα»ααααΆαTechnique: a. 3 b. 5 c. 2 d. 4 31 / 260 31) If kilovoltage is decreased with no other variations in exposure factors, the resultant image will: a. Appear lighter b. All are corrects c. Appear darker d. Remain the same 32 / 260 32) Biologique effects ααΆαααα»ααααΆααααααα?: a. 4 b. 1 c. 2 d. 3 33 / 260 33) X c pααΆ: a. snap-A-Ray b. bilΓ© block c. Hemostat d. beam aligning Holder 34 / 260 34) Paralleling Technique αα·αααΌαααααΎα αααΎαααΌα Bisecting Technique ααααα? (α αΌαααααααΆαα»α)?: a. Paralleling Technique α’ααααΌααα·αααα’ b. Paralleling Technique ααααΎα ααα·α Holder c. Paralleling Technique ααααΎαααααααΌα d. Bisecting Technique αααα½αααααΎ 35 / 260 35) ααΌα Radio opaque (αααα) ααΆαααΌαα ααα»ααααΈα’αααΈ?: a. Object ααΆαααααα atomic ααΆα b. Object ααΆαααααΆαααααΎα c. X-Ray ααα Film α αααΎα d. X-Ray ααα Film αα·α 36 / 260 36) Which teeth should you always start with in paralleling technique is: a. No answer b. Posterior c. Anterior and posterior d. Anterior 37 / 260 37) αααααΆααααααΆααααΆααααΉαααΆαα ααα·αααααα : a. Tank b. mount c. Safelight d. Film 38 / 260 38) αααα»ααα αα ααααα Bisecting the angle technique αα»ααα»Verticale ααααΆαααααααΎαααα»ααααααααΆαα maxilla ? : a. Canine b. Incisive c. Premolar d. Molar 39 / 260 39) αααααααΎ Make exposure α’αααα α»α αα»αααΆαααααααΆααααα»ααααΆααα?: a. 1 b. 3 c. 4 d. 2 40 / 260 40) Film occlusal ααΆαααα α?: a. 27mm Γ 76mm b. 50mm Γ 76mm c. 50mm Γ 46mm d. 57mm Γ 76mm 41 / 260 41) ααΆαααΆαα ααα·α Processing ααΆαααα»ααααΆαStep?: a. 5 b. 3 c. 2 d. 4 42 / 260 42) αααα»ααα αα ααααα film bitewing film α ααααΆ α’αααααΆα: a. Tab b. Loop c. Cone d. C.R 43 / 260 43) The types of film used in dental radiography is: a. Duplicating film b. Extraoral film c. Intraoral film d. All are corrects 44 / 260 44) Support ααααα ααα·αααΆαααααΆαα: a. αααααΆαααααα ααα·α b. ααΆαααααΆααααααΆαααααα ααα·α c. ααΆαααααΆααααΆαααααα ααα·α d. ααΆαααααΆαα Emulsion 45 / 260 45) William Conrad Roentgenβ ααααΎα X-Ray ααΆαααα a. Phosphate Ca b. Carbonate Ca c. Zinc phosphate d. Platinocyanuse barium 46 / 260 46) ααα α»αααααΆαααΆαα ααα·αααααΎα’ααα ααα·ααααα ααΎααα ααααΆααααΆαααΆ?: a. ααΈ1 b. ααΈ4 c. ααΈ3 d. ααΈ2 47 / 260 47) αααααααααα»ααααα»ααα αα ααααα Periapical ααΆαααα»ααααΆα?: a. 7 b. 6 c. 14 d. 10 48 / 260 48) Filter ααααΎααΈα’αααΈ?: a. Aluminum b. Tinfoil c. Plastic d. Wood 49 / 260 49) P I D ααΆααααααΆ: a. α ααααΆαααΈα ααα·ααα ααααα»αα b. Position Indication Device c. α ααααΆα Focal spot αα α ααα·α d. Vertical angulation 50 / 260 50) The conditions for infection control to occur is: a. Pathogen with suffiencient infectivity b. Numbers to cause infection c. Susceptible host, d. All are corrects 51 / 260 51) Collimators are used to: a. Decrease film latitude b. Reduce the radiation beam spread c. Filter the radiation beam d. Increase film latitude 52 / 260 52) X-rays and Gamma rays: a. Differ only in their source b. Have completely different properties c. Are both produced by a radioactive atom d. Are both affected by radioactive decay 53 / 260 53) αααα»ααα αα ααααα bite wing porte film αααααΆαααααααα’αααΈ?: a. Tab b. Bite wing loop c. Loop d. Bite Tab 54 / 260 54) ααα ααα ααα·αααα»ααααΆααααΆα: a. 4 b. 2 c. 5 d. 3 55 / 260 55) ααααααααααΆααααΌαααΆα: a. 4 min b. 3 min c. 2 min d. αααΆααα·α 10 minute αααΆαααΌα 60 minute 56 / 260 56) ααΎααααΆααΆαα½αααααα»αα αααα Maxillary Extraoral Radiography ααΆα: a. Lateral oblique of mandible b. Lateral of sinus c. SM.V projection d. P.A of sinus 57 / 260 57) α ααα·ααααα½α ααΆαα’ααααΎαααΎαααΌα?: a. αααααααΆαααααΌααααα»αααΉαααααααΆ b. αααααααΆαααααΌααααα»αααΉα Developr c. ααααααΆαααΎαααΎαααΌα d. αααααααΆαααααΌααααα»αααΉα Fixator 58 / 260 58) Image quality indicators are usually placed: a. Anywhere on the back side of the film b. On the front side of the test component in an area of similar thickness to the primary area of interest c. On the front side of the film near the primary area of interest d. On the back side of the test component in the area of interest 59 / 260 59) Bisecting is also known as: a. The long cone technique b. The short and long cone technique c. The short cone technique d. No answers 60 / 260 60) ααααααααααααΎ αααααααααΆαααα α?: a. ααααα»α b. Vertical c. ααΎα d. Horizontal 61 / 260 61) ααααα C-R α αΌααααααααΆααααααααααα»ααα αα ααααα Periapical: a. αααααCollet ααααα b. ααααα Face V c. ααααα Face L d. αααααα αααααααααα 62 / 260 62) ααΎααααΈαααα ααα·α Bite wing ααααααΌα: a. ααααΎααααΆααα b. ααΆαααααΆαα ααα·α c. ααααΎαααα d. ααααΎααααΆαααααααααα ααα·α 63 / 260 63) αααΆαααΈα Ortho pantomograph ααα»ααααΆαααΆααα·αααα»αα Cephalomatric: a. Ortho pantomograph 1 b. Ortho pantomograph 2 c. Ortho pantomograph 4 d. Ortho pantomograph 3 64 / 260 64) ααΆααααααΈ X ααΎαααΎαααααα a. ααΆαααα Platino cyanure de baryum b. αααααααα c. ααΆααααααΈααααΌααααααααααααΆ d. ααΆαααα Tungstate de calcium 65 / 260 65) ααΌαα ααα»α’αααΈ ααΆααα·αα·αααααααα·αααα»αααα·αααΆααααααααααααααΆα (standard) ααΎααααΆααΆαα·αααααΉαααααΌα?: a. αα·αααα»ααααααΎ Ionizing Irradiation b. αα·αααα»ααα’αΆα αααααΎαCancer c. αα·αααα»αααααααααααα’αααααΎα d. αα·αααα»ααααααααααααααααΆααααααααα·ααΆααα 66 / 260 66) In bisecting technique: a. Central ray of x ray beam is directed perpendicular to the imaginary bisector b. Film placed along lingual surface of tooth c. Imaginary bisector divides the angle in half or bisects it d. Where film contacts tooth-plane of film and long axis of tooth form an angle e. All are corrects 67 / 260 67) Newtons Inverse Square Law is useful in radiography because it indicates how the radiation intensity is affected by: a. Distance from the source b. None of the above c. Radioactive decay d. The size of the source 68 / 260 68) Occlusals used for: a. All are corrects b. Measurments of changes in size and shape of jaw c. Boundaries of maxillary sinus, and jaw fractures d. Exam of patients who cannot open their mouths e. Localization of rooths, impacted teeth, foreign bodies, salivary stones; eval of size fo lesions 69 / 260 69) αααααααααΆαααΎααααΈαααααααΆαα Penuon bra: a. α αααΎααααα»ααααα½αααΆααααΈααααΉαααααΌα b. ααΆααα’αααααααΆαα½ααααααα c. ααΆααα αααΈαααααααααααα d. ααΆααα αααΈαα’ααααααΆαααΈαααααα 70 / 260 70) α αΌαααααααΆαα»α? ααααα ααα·αPeriapicalαααααα»ααααΆαααααααααΎα ααα·αPosterior bitewing(P.B.W) : a. ααα2 b. ααα0 c. ααα4 d. ααα1 71 / 260 71) Bisecting Technique ααααΎααααΆαααα»ααααααΎαααΈ: a. αααα αααΈα Face Occlusale ααααα b. Axe αααααααα Occulsale c. Axe αααααααα Film d. αααα αααΈα Floor of Mouth 72 / 260 72) αα·αααα»αα intraoral ααΆα: a. Periapical b. Lateral skull c. αα·αααα»αα symphyse d. Lateral of mandible 73 / 260 73) Background Radiation α‘ααααΆαααΆα: a. 700mR b. 300mR c. 100mR d. 500mR 74 / 260 74) ααΎααααΆααΆαα½αααααα»αα αααα Extraoral Radiograph: a. αα·αααα»αα Ramus b. αα·αααα»αα Occlusal c. αα·αααα»αα P.A of mandible d. P.A of sinus 75 / 260 75) αααα»ααα αα ααααα Film bite wing α ααα·αααααααααΎα ααα·αα’αααΈ?: a. Film bite wing b. Film occlusal c. Film Periapical d. Film extra oral 76 / 260 76) ααΎ Occlusal plane αααα½αααα Plan α’αααΈ?: a. Mindibular Plane b. Plan Frankfort c. Plan Camper d. Plan mid-sagihal 77 / 260 77) Film ααΆαααα»ααααΆααααααΆαα?: a. 6 b. 7 c. 5 d. 3 78 / 260 78) Film Holder ααΆα: (ααΎααααΆααΆαα·αααααΉαααααΌα)?: a. Film Hanger b. Snap A. Ray c. Hemostat d. X.C.P 79 / 260 79) H2O2 ααΆ: a. Hydrogen Pyroxide b. Free Radical c. Oxygen Pyroxide 80 / 260 80) Image quality indicators (IQIs) provide information about the level of: a. Contrast sensitivity and latitude b. Contrast sensitivity only c. Resolution and film latitude d. Resolution and contrast sensitivity 81 / 260 81) The film size used with bisecting is: a. Positioned vertically for anterior b. Horizontally for posterior c. Positioned vertically for anterior and horizontally for posterior d. Positioned horizontally for anterior and vertically for posterior 82 / 260 82) αααααααααΉαααΆαααααα?: a. ααΆαα ααα·α b. αααα½αα ααα·α c. αααα»αα―αααΆααα·αααα»αα d. αααααΆα ααα·αααΆααα½α 83 / 260 83) αααααααΎααααααααΎαααΌααααααααααααααα’αααΈ?α a. CRΛ AXE ααααα b. CRΛ αααα ααα·α c. CRΛ ααΆαα½α bisector d. CRΛ ααΆαα½α Face occlusal 84 / 260 84) PariapicalααααΎααααααααΈ: a. Face Distal b. Face occlusal c. Face Mesial d. Face vestbulaire 85 / 260 85) ααΎ X-ray α ααααΈαααΆαααΈαααααααα Object ααααΆαααα α’αααΈ αααα»α αα·αααα»αα Panoramic: a. Slit collimator b. Filters c. Hole d. Cone 86 / 260 86) Stationary lab or shop X-ray systems usually rely on what to limit exposure to the radiation?: a. Shielding b. All of the above c. Time limits d. Distance controls 87 / 260 87) Film Extraoral ααααΆαααα Lateral Jaw ααΆαααα α: a. 15cm x 30cm b. 18cm x 24cm c. 13cm x 18cm d. 24cm x 30cm 88 / 260 88) Distal tube shift projection ααΊααΆαα·αααα»αα a. Occlusal b. Bite wing c. Periapical + ααΌαααααααααα Distal d. Periapical 89 / 260 89) ααΎααααΈααααΎα’αααααααΆαα Anticathode ααααααΎα α 2-ααααα 3-ααΉα 4-ααααα a. 1 αα·α 2 b. 1 c. 1 αα·α 3 d. 1 αα·α 4 90 / 260 90) X-Ray ααΆα wave length ααα»ααααΆααααΆα?: a. 4 b. 5 c. 2 d. 3 91 / 260 91) ααΎααααΆααΆαα½αααααα»αα αααα Cone ααΆααα»α?: a. Cone αα»αααααΈααα b. Cone αα»αααΌα c. Cone αααα½α d. Cone αα»ααα½ααααα»α 92 / 260 92) Indistal tube shift projectionααααααΎαα αα αααααααα’αααΈ?: a. Bitewing b. Occlusale c. Periapical d. ααΆααααΈ 93 / 260 93) Who is given credit for the discovery of radioactive materials?: a. Henri Becquerel b. Pierre Curie c. Wilhelm Roentgen d. Marie Curie 94 / 260 94) Purpose of paralleling technique: a. Aind in the diagnosis of diseases, b. All are corrects c. Lesions d. Conditions that can not be identified clinically 95 / 260 95) ααααΆαααααααα ααααααα a. αααα»α Vacuum b. αααα»α Cathode c. αααα Metal Housing d. Vacuum & Metal Housing 96 / 260 96) Film bitewing ααααΌααααααα : a. αααα b. αααααΊααΆαααααΆαα αααΈα c. ααααΆααα d. αααααΊααΆαα αααΈα 97 / 260 97) αααααΆααΌαα’αααΈ?: a. Step Wedge b. Focal Spot c. Filter d. Scale 98 / 260 98) X-Ray α ααααΈαααααααα‘α ααα½α?: a. ααααΌαααααααααΆαααΆ X-Ray ααααααα b. ααααΌαααααΌαααα object αα c. ααααΌαααααΌααααα ααα·ααα d. ααααΌαααααΌαααααα·ααΆα, αααααΆαα, Floor 99 / 260 99) F.FD ααΆα ααααΆα: a. ααΈβObject αα αα Film b. ααΈFocal spot αα β Object αα c. ααΈFocal spot αα Bisector d. ααΈFocal spot αα Film 100 / 260 100) Plan camper ααααΆααααΈααΆαα ααΆ?: a. Ear Lobe-Labial Commissure b. Labial Commissure Tragus c. Ala Nasa-Tragus d. All are corrector 101 / 260 101) ααααΆαα Safeligh αα ααααααααΆ?: a. αααααααααααααΆαα ααα·α b. ααααα Tank ααΆαα ααα·α c. ααααααααααααα»αα ααα·α d. αααααααααααααΆαααΆα 102 / 260 102) ααααααααααααΎαααα»ααα αα ααααα Bisecting technic α’αααα’αααααααα ααα·ααααααααΎα’αααΈ?: a. αααα b. α αααΎαααΆααα’ααααααΌα c. ααααΆααα d. α αααα»ααα 103 / 260 103) Radiation produced with high kilovoltage results in: a. Short wavelengths b. Lower energy levels c. Less penetrating radiation d. Long wavelengths 104 / 260 104) The components of xray film is: a. Adhesive layer b. Film emulsion, and protective layer c. Film base d. All are corrects 105 / 260 105) Coolidge: a. Developed first x-ray tube b. Exposed first dental radiograph c. Discovered x-rays d. Introduced bisecting technique 106 / 260 106) X-rays and Gamma rays: a. Can be influenced by a magnetic field b. None of the above c. Always travel in a straight line d. Can be influenced by an electrical field 107 / 260 107) Which two types of radiation-matter interactions account for the majority of attenuation in typical industrial radiography? : a. Pair production and photoelectric absorption b. Compton Scattering and photoelectric absorption c. None of the above d. Compton Scattering and pair production 108 / 260 108) Cone cutting?: a. α ααα·αααΆαααΆαααΌα αααααΎ b. α αααΈαααΆαααααΌααααα c. α αααΈαααΆααααααααααα½ααα»α d. α αααΈαααΆααααααα½ααα»αααααααα 109 / 260 109) Film Low Speed ααΆα ααα·ααααααα: a. D b. C c. A + B d. E 110 / 260 110) P ααΆ X C P: a. P ααΆ Peak b. P ααΆ Periapical c. P ααΆ Point d. P ααΆ Paralleling 111 / 260 111) αα·αααα»αα Symphyse ααΎαααΎα?: a. Palate b. Salivery gland c. Mental foramen d. Symphyse of mandible 112 / 260 112) Focal Spot ααΆα ααα»α α¬ααααααα αα a. ααΆβ Anode b. α ααα»α αααααΆα Filament c. α ααα»α αααX-Ray α ααααΈααααααααα·αααΆ d. Electronsβ α αα 113 / 260 113) αααΆαααΈααα·αααα»αααααααΆαααΆααα 70Kv 10mA ααα·α X-Rays 1 Sec ααΆα (α αΌαααααααΆαα»α): a. 0,60R b. 0,70R c. 1R 20 d. 1R 114 / 260 114) αααααααααααα»αα ααα·αααΆα Orientaltion: a. Transverale b. Verticale c. Horizontale d. Vertical α¬ Horiaontale 115 / 260 115) Chemical solution used in development process to reduce the exposed, energized silver halide crystals: a. Developer b. Drying c. Washing d. All are corrects 116 / 260 116) Indirect effects ααΆααααααΎαα ααΎ: a. ααΆαα·ααΆ + αααα·ααΆ b. αααα·ααΆ c. ααΉα d. ααΆαα·ααΆ 117 / 260 117) Occlusal Radiography ααΎαααΎα: a. Long axis of tooth b. Mandibular Canal c. Axe Z ααααααααα d. Axe mesidistal ααααα¬αααααα 118 / 260 118) Identify the unit of measurement used to describe the amount of electric current flowing through the x-ray tube: a. Volt b. Ampere c. Force d. Kilovoltage peak 119 / 260 119) ααΆααααααΈ X ααΆααα : a. Tube de Coolidge b. Ampoule Cathodique c. Ampoule ααΌα d. ααααααα·αααα»ααααααΎαααΆα 120 / 260 120) α αααα Low tension ααααΎααααΆααααααΆαααα a. Filament b. Target tungsten c. Cathode anode αααα tube d. Anode 121 / 260 121) Identify the milliamperage range for dental radiography: a. 7 to 15 mA b. Greater than 15 mA c. 1 to 5 mA d. 4 to 10 mA 122 / 260 122) ConeαααααΆααααααα: a. 38cm b. 35cm c. 41cm d. 29cm 123 / 260 123) ααΆααααααΈ X ααΆαααα»ααααΆααααααα?: a. 3 b. 1 c. 4 d. 2 124 / 260 124) αααα»αα ααααΆα 1 inch I ααααΎα‘α α mR ααΎαααα»αα αααΆα 2 inch I ααααΎααα»ααααΆα? : a. 26mR b. 30mR c. 20mR d. 25mR 125 / 260 125) X-rays and Gamma rays are a form of: a. Particle radiation b. All are corrects c. Light d. Electromagnetic radiation 126 / 260 126) Manmade sources of radioactive sources are produced by: a. Introducing an extra neutron to the atoms of the source material b. Adding electrons to the source material c. By splitting the nucleus of atoms in the source material d. None of the above 127 / 260 127) The Film contrast is determined by: a. Radiation energy used b. Type of film used c. Process by which the film was developed d. Type of film used and the process by which the film was developed 128 / 260 128) CavitΓ© carie αα·ααΆαααααΆααααααα·ααα ααααααααΆ? : a. Occlusale b. Proximale c. Vertibule d. Linguale 129 / 260 129) Bitewing Radiograph ααΎαααΎα Recurrent Carie ααααα : a. ααΆααααΎααΆααα X αα·α b. Vertical angulation ααΌα c. ααΆααααΎααΆααα X α αααΎα d. Vertical angulation αα 130 / 260 130) ααΆααααααΈ X ααΆα a. Onde Electique b. Paticles electisΓ©es c. Electo Magnetic wave d. Corpuscle 131 / 260 131) α ααα·αααΆααααααααααΉαααΆαα ααα·α: a. αααα ααα b. ααΆαααΈαα»ααα ααΆαααααααΆ c. αααααΆααααα 132 / 260 132) ααΆααα X α¬ X Rays ααΎαα ααααΈααααααα a. α’αααα·αααΈ b. ααΆααα Kenetic c. ααΆααα X d. ααΆααα Potentielle 133 / 260 133) ααΎααααΆααΆαα½αααααα»αα αααα αα·αααα»αα Periapical ααΎαααΎα: a. Root b. Apex c. Crown d. Axe 2ααααααααα 134 / 260 134) ααΎα’ααααααααααααααααααΌαααααααααα: a. αα b. ααα c. ααααα d. ααΌα 135 / 260 135) αααααααααααααααααααα αααααααααΆαααα α?: a. α’αα b. α αααΎαααΆααα’ααααααΌα c. Horizontal d. ααΎα 136 / 260 136) αα»α-55ααΊαααααα 60 ααΊαααα ααααααΎαααααα»ααα αα αααααα’αααΈ?: a. Maxillary occlusal b. Mandibular cross sectional view ααΎαααΎα c. Symphyse d. Anterior maxillary occlusal 137 / 260 137) Submento vertex Projection (S.M.V) ααααΎααααΈααΎαα’αααΈ?: a. Sinus b. Goniaque angle c. Symphyse d. Zygomatic arch 138 / 260 138) Bitewing Radiograph ααΆαααααααα½ααααααΊ: a. Oclusal Radiograph b. Right angle technic c. Interproximal Radiograph d. Periapical Radiograph 139 / 260 139) In dental radiography, the quantity of radiation produced is controlled by: a. Milliamperage b. Milliamperage and exposure time c. Exposure time d. Kilovoltage peak 140 / 260 140) αα»αααΆαααααΆαααΈααααα·αααααΌαααΎαααααΎααα»αααΎα?: a. 30 αααα b. 1 Journee c. 2 αααα d. 25αααα 141 / 260 141) α ααα·αααα 2 ααΆααα·ααΆα : a. 31mm Γ 41mm b. 24mmΓ 40mm c. 27mm Γ 54mm d. 22mm Γ 35mm 142 / 260 142) αα·αααα»ααΌαααααααααΆα: a. C.R ααα axe ααααα b. C.R ααα bisector c. C.R ααα axe Z d. C.R ααα film 143 / 260 143) ααα’αΆα ααΎαααααΎαααΆααααααααααΆααααΆαααΆααααΆαααΆαα αααΈα?α a. Fixation b. ααααΌα c. ααΆαααΉα d. Developer 144 / 260 144) ααΎααααΈαααααααααααΆαααΆααααααααααα’ααααΆαααααΌα?: a. ααΆαααααα»αααΆααα»αααααα ααα·ααααααΉααααααΆα 2'' Premola ααααα b. ααΆαααααα»αααΆααα»αααααα αααΈαααααΎ Face M αααα 2" Premola ααααα c. ααΆαααααα»αααΆααα»αααααα ααα·ααααααΉααααα D αααα Second Molar ααααα d. ααΆαααααα»αααΆααα»αααααα ααα·ααααααΉαααα M αααα 6 145 / 260 145) Cassette ααΈαα½ααααΆα Intensifying Screen ααα»ααααΆα?: a. 2 b. 1 c. 3 d. 4 146 / 260 146) Bite-wing includes: a. Areas of crestal bone on the same film b. All are corrects c. Crowns of maxillary and mandibular teeth d. Interproximal areas 147 / 260 147) The main advantage of real-time radiography over film is: a. Higher image contrast sensitivity b. Inspection can be performed more rapidly c. Higher image definition d. Lower equipment costs 148 / 260 148) αααα»ααα αα αααααααααααα (Paralleling Technique) C-R (Central Ray): a. αααααΆαα½ααααααααΆα b. αααααΆαα½α Bisector c. αααααΆαα½ααααα ααα·α αα·α Axe ααααα d. αααααΆαα½αααα ααααααααΆαα½α Axe ααααα 149 / 260 149) Cassette αααααα ααΆααααΆαααα»ααααΆααααααα? : a. 2αααααα b. 1αααααα c. 6αααααα d. 7αααααα 150 / 260 150) Periapical (PA): a. All are corrects b. Entire tooth c. Supporting structure, d. 2-3mm of bone around apex needed 151 / 260 151) ααΎααααΆααΆαα½αααααα»αα αααα ααΆαααX ααΈαα ααααΎααααααΆα: a. αααααΆααΆααααΎα b. Focal spot ααΈααα c. mAααΎα d. KvpααΎα 152 / 260 152) αααααααααααΆαα (Fix) Vertical angulation ααΆααααα’αααΈ?: a. Rapporteur b. Graduation c. ααααααααααααΆααααααΆα d. Plan D'occlusion 153 / 260 153) In dental radiography, the quality of the x-ray beam is controlled by: a. Milliamperage b. Exposure time c. Source-to-receptor distance d. Kilovoltage peak 154 / 260 154) αααα»α Cross-sectional projection : a. C.R αααααΆαα½ααααα αααΈα b. C.R 75Β° ααΆαα½ααααα αααΈα c. C.R -55Β° ααΆαα½ααααα αααΈα d. C.R 85Β° ααΆαα½ααααα αααΈα 155 / 260 155) Tubehead ααΆαα ααααααααΎααααΆαααα»ααααΆααααΆααα a. 3αααΆα b. 4αααΆα c. 2αααΆα d. 5αααΆα 156 / 260 156) αααααα αααΈαOcclusalαααα·αααααααααΆ?: a. ααΎαααααααΆα b. ααΆα Face Vestibulaire c. ααααα Mandibule d. ααΆα Face linguale 157 / 260 157) CR ααααΆαα?: a. ααΆααα’ααααααΌα b. ααααααααααααααααααα c. ααααα½ααααααΆαααααααα d. ααΆα αααΆααααααΈααααααα 158 / 260 158) 2D ααΆααααααΆα a. Support αααα·ααααααΆαα αααΈα b. ααααααααΆαααααα αααΈαααΆα Emulsion c. ααααααααΆαααααα αααΈαααΆα Emulsion d. ααααααααΆαααααα αααΈαααααΆα Emulsion 159 / 260 159) Advantages of paralleling technique: a. All are corrects b. Produces images with dimensional accuracy c. Easy to standardize, and can be accurately repeated d. Simple and easy to learn and use, 160 / 260 160) Latent image ααΎαα‘αΎααααααΆα: Static electricity αα ααΆααααα ααα·ααα»ααα Fixage ) a. 1- A & D b. 2- A, B &C c. 3- D d. 4- D&C 161 / 260 161) H.T αααα·ααα a. αααα»α Tubehead b. αααα»α Cone c. αααα»α Support d. αααα»αControl Panel 162 / 260 162) A higher kilovoltage produces x-rays with: a. Shorter wavelengths b. All of the above c. More penetrating ability d. Greater energy levels 163 / 260 163) Identify the term that describes how dark and light areas are differentiated on an image: a. Density b. Polychromatic c. Contrast d. Intensity 164 / 260 164) The total energy contained in the x-ray beam in a specific area at a given time is termed: a. Kilovoltage peak b. Intensity c. Beam quality 165 / 260 165) ααΎααααΆααααΆαααΈααα·αααα»αααα·ααααα·ααα ααΉαααααΆαααααααΆααααΆααΈααα?: a. ααααααααα b. α αααΎαααΆααα’ααααααΌα c. α’αααααααΊ d. αααα½αααααααααα 166 / 260 166) α ααα·α Occlusal αααααα»ααΆαα’αΆαα»αααααα₯ααααΆαααΆα ααα·α: a. αααα b. 57mm x 76mm c. 31mm x 41mm d. 27mm x 54mm 167 / 260 167) A radiograph that has many light and dark areas with few shades of gray is said to have: a. Low contrast b. High density c. Low density d. High contrast 168 / 260 168) Distal rube shift projection of 6 ααΎααααΈααΎα: a. Face occlusal of 6 b. Root canal mesial of 6 c. Root canal distal of 6 d. Pulpe chamber 169 / 260 169) αααααΆαα ααα·ααα½α α ααα·αααΆαααΆαααααΆ : a. αααα Emulsion b. αααααααααΆααααΆα c. αααα Support d. αααααααααΆααααΆαααΆα 170 / 260 170) αα·αααα»αααααααααααΆααααααααΈ (ααααΆααΆαα·αααααΉαααααΌα)?: a. Parallelling Technique b. Long cone Technique c. Right Angle Technique d. Short cone Technique 171 / 260 171) αααα»ααα αα ααααα Periapical ααααΆαααααΊααΆαααΆαααααα Plan αααααα’αααΈααααααΆαα½αα₯αααααΆα?: a. Plan Frontal b. Plan Frank Fort c. Plan Sagittal Median d. Plan Camper 172 / 260 172) The overall blackness or darkness of an image is termed: a. Contrast b. Polychromatic c. Overexposure d. Density 173 / 260 173) Somatic mutation αααααααααααααΆααααα: a. Child b. First Generation c. Other Generation d. Parents 174 / 260 174) Lowering the energy of the radiation used to produce a radiograph will generally result in: a. Higher contrast sensitivity b. A Longer exposure time c. Less latitude d. All of the above 175 / 260 175) ααΆααααααΈ X αααα a. αααααααααα’αααααΎα b. ααααααααααααααΆααα αααααααααΎα c. ααΆαααααααααΌα αααααΊααααα’αΆαα·ααα d. α αααΎαααΆααα’ααααααΉαααααΌα 176 / 260 176) Metal Housing ααΆα’αααΈαααα Tubehead?: a. ααΆαααααααΆααααα ααααtubehead b. ααΆ C.R c. ααΆ Filter d. Cone 177 / 260 177) α ααα·ααααα αααααΆα: a. Fixing ααΆαα b. Develop ααΆαα c. Fixing ααΌα d. Develop ααΌα 178 / 260 178) ααΎααααΆααΆαα½αααααα»αα αααα Radiopaque materials to X-Ray are: a. Zinc Oxyphosphate Cement b. Gutta Percha c. Plastics d. Zinc Oxide et Eugenol past 179 / 260 179) Lead Apron αααααΆαα?: a. ααΆααααΆαααΆαααααΊ ααΊ Operator αααααααααα b. ααΆααααΆαααΆααααααααα Operator c. ααΆααααΆαααΆαααααααα d. α αααΎαααΆααα’ααααααΌα 180 / 260 180) Vacuum ααΆ:: a. Metal Housing b. αααααααααΆαααααα (Tube Γ vide)