/260 283 Dental Imagery Preparation (Pr. Pen Nun) 1 / 260 1) ααααΆααααααααΎαααααααΆαααααΆαα½αα’α·αααααααΆα?: a. Plan Camper b. Plan Frank Fort c. Plan Mid Sagital d. Plan dβocclusion 2 / 260 2) Cassette ααΆαααααααααΎααΈ: a. Tungsten b. Aluminium c. ααα d. Steel 3 / 260 3) Cone αααααΆααααααα>: a. 41cm b. 29 cm c. 31cm d. 25 cm 4 / 260 4) αααααααααα»αααΆα α‘α€ααααα αααααα‘αΎα α‘α₯ααααα ααΎαααααααααααααααΆ?: a. Incisive sup. b. Canine c. Molar d. Incisive infer. 5 / 260 5) α αααα P.A of mandible C.R α αΌαααααα: a. Central Incisor b. Third molar c. At Level of Goniaque angle and Sagittal Plane d. Premolar 6 / 260 6) αααΆα Screen ααΆααα’ (Front Screen & Back Screen) α αΌαααααααΆ αααααααΌα: a. Front Screen ααΆα Cristaux αα b. ααΆααααΈαααΆα Cristaux ααΌα ααααΆ c. Back Screen ααΆα Cristaux ααα’α·α d. Front Screen ααΆα Cristaux ααα’α·α 7 / 260 7) Bitewing Radiograph ααΆαααααααα½ααααααΊ: a. Oclusal Radiograph b. Periapical Radiograph c. Right angle technic d. Interproximal Radiograph 8 / 260 8) ααΎααααΆααΆαα½αααααα»αα αααα αα·αααα»αα Periapical ααΎαααΎα: a. Apex b. Axe 2ααααααααα c. Root d. Crown 9 / 260 9) Exposure to ionizing radiation can be limited: a. With the use of shielding b. By increasing distance form the source c. By limiting the time exposed to the radiaiton d. All of the above 10 / 260 10) Film Low Speed ααΆα ααα·ααααααα: a. C b. E c. A + B d. D 11 / 260 11) αααααΆααααααΆααααΆααααΉαααΆαα ααα·αααααα : a. Safelight b. Film c. mount d. Tank 12 / 260 12) αααΆαDeveloper Solution & Fixer Solution ααααΆααΆαα½ααα·αααααΉαααααΌα?: a. Fixer Solution αα·αααΆαααααααα b. Developer Solution ααΆααααααααα c. Developer Solution ααααΎααααΆααααΆααααΆαααΌαα§αααα d. Developer Solution αα·αααΆαααΌα 13 / 260 13) Indistal tube shift projectionααααααΎαα αα αααααααα’αααΈ?: a. ααΆααααΈ b. Bitewing c. Periapical d. Occlusale 14 / 260 14) Undercut is the loss of resolution at a sharp, thickness transition area due to: a. Scattering within the part b. Scattering within the film c. Sidescatter d. Backscatter 15 / 260 15) ααΌα Radiotransparent ααΆαααΌαα ααα»ααααΈα’αααΈ?: a. X-ray αααα ααα·αα αααΎα b. X-ray αααα ααα·ααα·α c. Object ααΆααααααΆαα d. Object ααΆααααααatomique ααααα 16 / 260 16) Machine αα Panoramique αααααα’αααΈααα Cephalometric arm: a. Panonres b. Orthopantograph-3 c. Panelipse d. Panoral 17 / 260 17) α ααα·ααα X ray ααΆααααα’αααΈ αααααΆααα½α ?: a. ααααΆ + α b. ααααΆ c. αααα d. α 18 / 260 18) ααΎααααΆααΆαα½αααααα»αα αααα Extraoral Radiograph: a. αα·αααα»αα Occlusal b. αα·αααα»αα P.A of mandible c. αα·αααα»αα Ramus d. P.A of sinus 19 / 260 19) 2D ααΆααααααΆα a. ααααααααΆαααααα αααΈαααααΆα Emulsion b. ααααααααΆαααααα αααΈαααΆα Emulsion c. ααααααααΆαααααα αααΈαααΆα Emulsion d. Support αααα·ααααααΆαα αααΈα 20 / 260 20) The number of X-ray or Gamma photons that are transmitted through a material depends on the: a. Atomic number of the material b. Energy of the photons c. Thickness of the material d. All of the above 21 / 260 21) F.FD ααΆα ααααΆα: a. ααΈFocal spot αα β Object αα b. ααΈβObject αα αα Film c. ααΈFocal spot αα Bisector d. ααΈFocal spot αα Film 22 / 260 22) αα·αααα»αα Symphyse ααΎαααΎα?: a. Salivery gland b. Palate c. Symphyse of mandible d. Mental foramen 23 / 260 23) αααααΆαααααΆαα4ααααααα»ααα αααααΆαα X-ray ααΆααα ?: a. ααα»αααα αΆαα b. ααα»ααααααααα c. ααααα d. αα»ααΆα 24 / 260 24) Somatic mutation αααααααααααααΆααααα: a. Parents b. Child c. First Generation d. Other Generation 25 / 260 25) Intraoral film sizes: a. 2-adult, b. All are corrects c. 3-preformed bitewing, d. 4-occlusal e. 0-child and 1-narrow anterior, 26 / 260 26) The components of xray film is: a. All are corrects b. Adhesive layer c. Film emulsion, and protective layer d. Film base 27 / 260 27) αααααΆαα ααα·ααα½α α ααα·αααΆαααΆαααααΆ : a. αααα Emulsion b. αααα Support c. αααααααααΆααααΆαααΆα d. αααααααααΆααααΆα 28 / 260 28) Bite-wing includes: a. All are corrects b. Areas of crestal bone on the same film c. Crowns of maxillary and mandibular teeth d. Interproximal areas 29 / 260 29) In bisecting technique: a. Imaginary bisector divides the angle in half or bisects it b. All are corrects c. Central ray of x ray beam is directed perpendicular to the imaginary bisector d. Where film contacts tooth-plane of film and long axis of tooth form an angle e. Film placed along lingual surface of tooth 30 / 260 30) Collimators are used to: a. Filter the radiation beam b. Increase film latitude c. Decrease film latitude d. Reduce the radiation beam spread 31 / 260 31) ααα ααα ααα·αααα»ααααΆααααΆα: a. 3 b. 4 c. 5 d. 2 32 / 260 32) αααα»ααα αα ααααα film bitewing film α ααααΆ α’αααααΆα: a. Loop b. Tab c. Cone d. C.R 33 / 260 33) Unguided film holders: a. Stabe, b. Snap-a-ray, c. Bite tabs d. All are corrects 34 / 260 34) Distal tube shift projection ααΊααΆαα·αααα»αα a. Periapical + ααΌαααααααααα Distal b. Bite wing c. Occlusal d. Periapical 35 / 260 35) α ααα·α Periapical αααααα αααΎαααΆαααααΊ: a. Film ααα α€ b. Film ααα α c. Film ααα α£ d. Film ααα α’ 36 / 260 36) αα·αααα»αα Periapical ααΎαααΎα (α αΌαααααααΆαα»α): a. Lower border of mandible b. Periapical c. CROWN d. Root 37 / 260 37) αα»αααΆαααααΆαααΈααααα·αααααΌαααΎαααααΎααα»αααΎα?: a. 30 αααα b. 1 Journee c. 2 αααα d. 25αααα 38 / 260 38) ααΎααααΆααααΆαααΈααα·αααα»αααα·ααααα·ααα ααΉαααααΆαααααααΆααααΆααΈααα?: a. αααα½αααααααααα b. α’αααααααΊ c. α αααΎαααΆααα’ααααααΌα d. ααααααααα 39 / 260 39) Vacuum ααΆ:: a. α’αααΌα Rx b. Metal Housing c. ααααΆαmachineαα Tube head d. αααααααααΆαααααα (Tube Γ vide) 40 / 260 40) α ααα·ααααα½α ααΆαα’ααααΎαααΎαααΌα?: a. αααααααΆαααααΌααααα»αααΉα Fixator b. αααααααΆαααααΌααααα»αααΉα Developr c. ααααααΆαααΎαααΎαααΌα d. αααααααΆαααααΌααααα»αααΉαααααααΆ 41 / 260 41) αααααααααααααααααααα αααααααααΆαααα α?: a. Horizontal b. α αααΎαααΆααα’ααααααΌα c. ααΎα d. α’αα 42 / 260 42) X-Ray α ααααΈαααααααα‘α ααα½α?: a. ααααΌαααααΌαααααα·ααΆα, αααααΆαα, Floor b. ααααΌαααααΌααααα ααα·ααα c. ααααΌαααααααααΆαααΆ X-Ray ααααααα d. ααααΌαααααΌαααα object αα 43 / 260 43) Who is given credit for the discovery of radioactive materials?: a. Henri Becquerel b. Wilhelm Roentgen c. Marie Curie d. Pierre Curie 44 / 260 44) αααΆαααΈα Ortho pantomograph ααα»ααααΆαααΆααα·αααα»αα Cephalomatric: a. Ortho pantomograph 4 b. Ortho pantomograph 1 c. Ortho pantomograph 2 d. Ortho pantomograph 3 45 / 260 45) Leaded Apron ααααΎαααααΆααααα: a. 1mm b. 1/5 mm c. 1/2mm d. 1/4 mm 46 / 260 46) αααα»ααα αα αααα Periapical (bisecting-technique) ααΌαα αααΆααααΆαααααΊ: a. Bone near periapex b. Crown c. Apex d. Root 47 / 260 47) Radiographic inspection should be used for crack detection only when: a. The test componet is a casting b. The crack is large c. The orientation of the crack is known d. The test component is a weldment 48 / 260 48) The film size used with bisecting is: a. Positioned vertically for anterior and horizontally for posterior b. Horizontally for posterior c. Positioned vertically for anterior d. Positioned horizontally for anterior and vertically for posterior 49 / 260 49) CR ααααΆαα?: a. ααΆα αααΆααααααΈααααααα b. ααααα½ααααααΆαααααααα c. ααααααααααααααααααα d. ααΆααα’ααααααΌα 50 / 260 50) ααΎααααΈαααα ααα·α Bite wing ααααααΌα: a. ααααΎααααΆαααααααααα ααα·α b. ααΆαααααΆαα ααα·α c. ααααΎαααα d. ααααΎααααΆααα 51 / 260 51) P ααΆ X C P: a. P ααΆ Peak b. P ααΆ Point c. P ααΆ Paralleling d. P ααΆ Periapical 52 / 260 52) P I D ααΆααααααΆ: a. Position Indication Device b. α ααααΆαααΈα ααα·ααα ααααα»αα c. α ααααΆα Focal spot αα α ααα·α d. Vertical angulation 53 / 260 53) Metal Housing ααΆα’αααΈαααα Tubehead?: a. ααΆαααααααΆααααα ααααtubehead b. ααΆ C.R c. ααΆ Filter d. Cone 54 / 260 54) ααΆααααααΈ X ααΆααα : a. Ampoule ααΌα b. ααααααα·αααα»ααααααΎαααΆα c. Ampoule Cathodique d. Tube de Coolidge 55 / 260 55) αααα»ααα αα αααααααααααα (Paralleling Technique) C-R (Central Ray): a. αααααΆαα½α Bisector b. αααααΆαα½αααα ααααααααΆαα½α Axe ααααα c. αααααΆαα½ααααααααΆα d. αααααΆαα½ααααα ααα·α αα·α Axe ααααα 56 / 260 56) In dental radiography, the quality of the x-ray beam is controlled by: a. Exposure time b. Source-to-receptor distance c. Kilovoltage peak d. Milliamperage 57 / 260 57) FILM αααα£ααΆαααα α?: a. 31mm x 41mm b. 27mm x 54mm c. 22mm x 35mm d. 24mm x 40mm 58 / 260 58) αααααααα Focal Spot ααααΌαααΆαααα αααα»ααααΆα?: a. 0,8mm x 1mm b. 0,8mm x 0,8mm c. 1,8mm x 1mm d. 0,8mm x 1,8mm 59 / 260 59) PariapicalααααΎααααααααΈ: a. Face vestbulaire b. Face occlusal c. Face Mesial d. Face Distal 60 / 260 60) ααΎααααΆααΆαα½αααααα»αα αααα ααΆαααX ααΈαα ααααΎααααααΆα: a. αααααΆααΆααααΎα b. KvpααΎα c. mAααΎα d. Focal spot ααΈααα 61 / 260 61) α ααα·αααΆααααααααααΉαααΆαα ααα·α: a. αααααΆααααα b. αααα ααα c. ααΆαααΈαα»ααα ααΆαααααααΆ 62 / 260 62) αααααα αααΈαOcclusalαααα·αααααααααΆ?: a. ααΎαααααααΆα b. ααααα Mandibule c. ααΆα Face Vestibulaire d. ααΆα Face linguale 63 / 260 63) αα·αααα»αα Periapical ααΎααααααααΈ: a. Mesial b. Face Vertibulaire (Buccal) c. Distal d. Occlusal 64 / 260 64) Film partial immerged ααΆααααααααααΆαααΆ?: a. ααααα b. αααααααα c. αααααααΆαααααΌα Horizontal d. αααααααΆαααααΌαααΆαααα 65 / 260 65) Identify the unit of measurement used to describe the amount of electric current flowing through the x-ray tube: a. Force b. Volt c. Ampere d. Kilovoltage peak 66 / 260 66) Lateral Oblique of mandible αααααααααα Premolar ααΎ C.R α ααα’α»ααααααααΆ?: a. Premolar b. Incisor c. Molar d. Third Molar 67 / 260 67) ααΆααααααΈ X ααΆα a. Paticles electisΓ©es b. Electo Magnetic wave c. Onde Electique d. Corpuscle 68 / 260 68) ααΎα’ααααααααααααααααααΌαααααααααα: a. ααααα b. αα c. ααΌα d. ααα 69 / 260 69) X-rays and Gamma rays are often referred to as photons because: a. They have mass b. They possess a charge c. None of the above d. They occur as small packets of energy 70 / 260 70) ααααααααααααΎ αααααααααΆαααα α?: a. Horizontal b. ααΎα c. ααααα»α d. Vertical 71 / 260 71) Short Cone ααΆαααααααα a. 19cm b. 20cm c. 22cm d. 17cm 72 / 260 72) ααα electron ααααα αα target (Focal spot) ααΎααΆαα’αααΈααΎαα‘αΎα1% ααα’αααα·αααΈ?: a. αααα b. X-Ray c. ααΆααααααΈαααααΊ (light) d. Onde electrique 73 / 260 73) ααΎααααΈαααααααααααΆαααΆααααααααααα’ααααΆαααααΌα?: a. ααΆαααααα»αααΆααα»αααααα ααα·ααααααΉααααααΆα 2'' Premola ααααα b. ααΆαααααα»αααΆααα»αααααα ααα·ααααααΉααααα D αααα Second Molar ααααα c. ααΆαααααα»αααΆααα»αααααα αααΈαααααΎ Face M αααα 2" Premola ααααα d. ααΆαααααα»αααΆααα»αααααα ααα·ααααααΉαααα M αααα 6 74 / 260 74) Paralleling Technique αα·αααΌαααααΎα αααΎαααΌα Bisecting Technique ααααα? (α αΌαααααααΆαα»α)?: a. Paralleling Technique ααααΎαααααααΌα b. Paralleling Technique α’ααααΌααα·αααα’ c. Bisecting Technique αααα½αααααΎ d. Paralleling Technique ααααΎα ααα·α Holder 75 / 260 75) Film occlusal ααΆαααα α?: a. 27mm Γ 76mm b. 50mm Γ 76mm c. 57mm Γ 76mm d. 50mm Γ 46mm 76 / 260 76) Step Wedge αα·ααααΆα’αααΈ: a. Contrast b. Image Sharpeness c. Density d. Size and Shape of Radiograph 77 / 260 77) Identify the term that describes how dark and light areas are differentiated on an image: a. Contrast b. Intensity c. Density d. Polychromatic 78 / 260 78) The conditions for infection control to occur is: a. Numbers to cause infection b. Pathogen with suffiencient infectivity c. Susceptible host, d. All are corrects 79 / 260 79) ααΎααΆααααααΈXααΎαα‘αΎααααααΆ?: a. ααΎα Lowtension αα·α High-tension b. Vacuum ααααΆαααααα atmosphΓ©re c. ααΎα Lowtension d. Vacuum α’ααααααα 80 / 260 80) Kells: a. Exposed first dental radiograph in United States (skull) b. Exposed first dental radiograph in United States (living patient) c. Wrote first dental text; introduced bite-wing technique d. Introduced long-cone paralleling technique 81 / 260 81) Fitzgerald: a. Developed first x-ray tube b. Wrote first paper on the danger of x-radiation c. Exposed first dental radiograph in United States (skull) d. Introduced long-cone paralleling technique 82 / 260 82) Image quality indicators (IQIs) provide information about the level of: a. Contrast sensitivity and latitude b. Resolution and film latitude c. Contrast sensitivity only d. Resolution and contrast sensitivity 83 / 260 83) The amount of geometric unsharpness in a radiograph is affected by: a. All of the above b. The source to object distance c. The source to film distance d. The size of the source 84 / 260 84) Identify the milliamperage range for dental radiography: a. 7 to 15 mA b. 1 to 5 mA c. 4 to 10 mA d. Greater than 15 mA 85 / 260 85) αααα»ααα αα ααααα αα·αααα»αα Panoramic slit collimator αααααΎαX-ray α αα: a. ααΆαααΆααααααα b. ααΆαααα ααα c. ααΆ Narrow X-Ray beam d. ααΆααααααΆααα ααααααΆαα 86 / 260 86) Purpose of paralleling technique: a. Aind in the diagnosis of diseases, b. Conditions that can not be identified clinically c. Lesions d. All are corrects 87 / 260 87) Front screen ααΆα cristaux: a. ααααΆααααα’α·α b. ααααΆααααα’α·α+ αα c. ααααΆααααα 88 / 260 88) αα·αααα» Bite wing ααΎαααΎα?: a. Sinus b. αααααααΆααααΈα αααα c. αααα’αΌαααΆαα d. ααΎαααααα ααΉαααααα Crown 89 / 260 89) αααααααΎααααααααΎαααΌααααααααααααααα’αααΈ?α a. CRΛ αααα ααα·α b. CRΛ ααΆαα½α Face occlusal c. CRΛ ααΆαα½α bisector d. CRΛ AXE ααααα 90 / 260 90) ααΎααααΆααΆαα½αααααα»αα αααα αααΆαααΈααααααααααΆα 3α αααα: a. Extension Arm b. Control Panel c. Cone d. Tube Head 91 / 260 91) αα·αααα»αα panoramic ααααααΆαααΌααα Panoramic, TMJ- Cephalometry ααΆαααααα: a. Panorex b. Panelipse c. Orthopantomograph-3 d. Stalin X 92 / 260 92) Background Radiation : a. 50mR/year b. 70mR/year c. 120mR/year d. 100mR/year 93 / 260 93) α αΌαααααααΆαα»α? ααααα ααα·αPeriapicalαααααα»ααααΆαααααααααΎα ααα·αPosterior bitewing(P.B.W) : a. ααα4 b. ααα0 c. ααα1 d. ααα2 94 / 260 94) H2O2 ααΆ: a. Oxygen Pyroxide b. Free Radical c. Hydrogen Pyroxide 95 / 260 95) ααΆααααααΈ X αααα a. ααααααααααααααΆααα αααααααααΎα b. ααΆαααααααααΌα αααααΊααααα’αΆαα·ααα c. α αααΎαααΆααα’ααααααΉαααααΌα d. αααααααααα’αααααΎα 96 / 260 96) H.T αααα·ααα a. αααα»α Tubehead b. αααα»α Support c. αααα»αControl Panel d. αααα»α Cone 97 / 260 97) Advantages of paralleling technique: a. Produces images with dimensional accuracy b. Easy to standardize, and can be accurately repeated c. Simple and easy to learn and use, d. All are corrects 98 / 260 98) Occlusals used for: a. Exam of patients who cannot open their mouths b. Measurments of changes in size and shape of jaw c. All are corrects d. Localization of rooths, impacted teeth, foreign bodies, salivary stones; eval of size fo lesions e. Boundaries of maxillary sinus, and jaw fractures 99 / 260 99) αα»α-55ααΊαααααα 60 ααΊαααα ααααααΎαααααα»ααα αα αααααα’αααΈ?: a. Symphyse b. Anterior maxillary occlusal c. Maxillary occlusal d. Mandibular cross sectional view ααΎαααΎα 100 / 260 100) αααα»ααα αα ααααα Periapical ααααΆαααααΊααΆαααΆαααααα Plan αααααα’αααΈααααααΆαα½αα₯αααααΆα?: a. Plan Sagittal Median b. Plan Camper c. Plan Frank Fort d. Plan Frontal 101 / 260 101) ααΆααααααΈ X ααΆαααα»ααααΆααααααα?: a. 1 b. 3 c. 2 d. 4 102 / 260 102) Background Radiation α‘ααααΆαααΆα: a. 300mR b. 100mR c. 500mR d. 700mR 103 / 260 103) αααααααααα»ααααα»ααα αα ααααα Periapical ααΆαααα»ααααΆα?: a. 10 b. 7 c. 14 d. 6 104 / 260 104) In dental radiography, the quantity of radiation produced is controlled by: a. Milliamperage b. Kilovoltage peak c. Exposure time d. Milliamperage and exposure time 105 / 260 105) α ααα·α High Speed ααΆα: a. Film D b. Film A+B c. Film C d. Film E 106 / 260 106) ααΎααααΆααΆαα½αααααα»αα αααα Cone ααΆααα»α?: a. Cone αα»αααΌα b. Cone αααα½α c. Cone αα»αααααΈααα d. Cone αα»ααα½ααααα»α 107 / 260 107) ααΆααααααΈ X ααααΎαααααααα a. Geissler b. Coolidge c. Crookes d. Wilhem Conrad RΕntgen 108 / 260 108) Radiation produced with high kilovoltage results in: a. Short wavelengths b. Lower energy levels c. Long wavelengths d. Less penetrating radiation 109 / 260 109) William Conrad Roentgenβ ααααΎα X-Ray ααΆαααα a. Zinc phosphate b. Phosphate Ca c. Platinocyanuse barium d. Carbonate Ca 110 / 260 110) X c pααΆ: a. bilΓ© block b. Hemostat c. snap-A-Ray d. beam aligning Holder 111 / 260 111) X-rays and Gamma rays: a. Have completely different properties b. Are both produced by a radioactive atom c. Are both affected by radioactive decay d. Differ only in their source 112 / 260 112) Image quality indicators are usually placed: a. On the front side of the film near the primary area of interest b. On the front side of the test component in an area of similar thickness to the primary area of interest c. On the back side of the test component in the area of interest d. Anywhere on the back side of the film 113 / 260 113) X-rays and Gamma rays: a. Can be influenced by a magnetic field b. None of the above c. Can be influenced by an electrical field d. Always travel in a straight line 114 / 260 114) αα·αααα»αα panoramic α’ααααΌαααΉαααααααΆαααΈα: a. ααΆααΆααααααΆααα αα ααααΆαα b. Panelipse c. Panorex d. Status X 115 / 260 115) αααα»αα ααααΆα 1 inch I ααααΎα‘α α mR ααΎαααα»αα αααΆα 2 inch I ααααΎααα»ααααΆα? : a. 30mR b. 25mR c. 20mR d. 26mR 116 / 260 116) Newtons Inverse Square Law is useful in radiography because it indicates how the radiation intensity is affected by: a. The size of the source b. None of the above c. Radioactive decay d. Distance from the source 117 / 260 117) ααΎααααΆααΆαα½αααααα»αα αααα Radiopaque materials to X-Ray are: a. Gutta Percha b. Plastics c. Zinc Oxyphosphate Cement d. Zinc Oxide et Eugenol past 118 / 260 118) Manmade sources of radioactive sources are produced by: a. Adding electrons to the source material b. Introducing an extra neutron to the atoms of the source material c. None of the above d. By splitting the nucleus of atoms in the source material 119 / 260 119) X.C.P: a. C ααΆ Collimator b. C ααΆ Cutting c. C ααΆ Cup d. C ααΆβ Cone 120 / 260 120) Bisecting is also known as: a. The short and long cone technique b. The long cone technique c. No answers d. The short cone technique 121 / 260 121) 1 kilovolt (KV) ααααΎα a. 1 kilovolt = 1000volt b. 1 kilovolt = 10000volt c. 1 kilovolt = 10volt d. 1 kilovolt = 100volt 122 / 260 122) The components of xray machine is: a. Extension arm b. Tubehead c. Control panel d. All are corrects 123 / 260 123) Radiation beam filters are sometime used in X-ray radiography to: a. All are corrects b. To remove some of the low energy radiation to increase contrast sensitivity c. Remove some of the low energy radiation to increase definition d. Remove some of the low energy radiation to reduce definition 124 / 260 124) Screen ααΆααααααΆααααααΆααααααΎααΈ?: a. Tungstate Ca b. Phosphate Potassium c. Zinc Sulphate d. Sulphate Ca 125 / 260 125) αααααααααΆαααΎααααΈαααααααΆαα Penuon bra: a. α αααΎααααα»ααααα½αααΆααααΈααααΉαααααΌα b. ααΆααα’αααααααΆαα½ααααααα c. ααΆααα αααΈαα’ααααααΆαααΈαααααα d. ααΆααα αααΈαααααααααααα 126 / 260 126) ααααααααααΆααααΌαααΆα: a. 4 min b. 2 min c. 3 min d. αααΆααα·α 10 minute αααΆαααΌα 60 minute 127 / 260 127) ααΎααα’ααααΎαα·ααααΆα’αααΈααΎα William Conrad Roentgen α’αααααααααΆααααααΈαααααΆααααααΎαααΆ X-Ray : a. Biology b. C- Physic c. Mathematic ( algebra ) d. Chemistry 128 / 260 128) Higher energy radiation will have more: a. Incident Intensity and Penetrating power b. Penetrating power c. Speed d. Incident Intensity 129 / 260 129) Indirect effects ααΆααααααΎαα ααΎ: a. ααΆαα·ααΆ + αααα·ααΆ b. αααα·ααΆ c. ααΉα d. ααΆαα·ααΆ 130 / 260 130) αααα»ααα αα ααααα Bisecting the angle technique αα»ααα»Verticale ααααΆαααααααΎαααα»ααααααααΆαα maxilla ? : a. Incisive b. Molar c. Canine d. Premolar 131 / 260 131) ConeααααΈααΆααααααα: a. 20cm b. 10cm c. 17cm d. 19cm 132 / 260 132) Lead Apron αααααΆαα?: a. ααΆααααΆαααΆαααααααα b. α αααΎαααΆααα’ααααααΌα c. ααΆααααΆαααΆααααααααα Operator d. ααΆααααΆαααΆαααααΊ ααΊ Operator αααααααααα 133 / 260 133) The total energy contained in the x-ray beam in a specific area at a given time is termed: a. Beam quality b. Intensity c. Kilovoltage peak 134 / 260 134) F O D α ααααΆα?: a. ααΈα αααΈααα αααααα b. ααΈ Focal Spot αα αααααα c. Focal Spot αα α αααΈα d. ααΈ Focal Spot αα Cone 135 / 260 135) αααα»ααα αα ααααα Periapical αααα»α Step ααΈ1αααααα αα’αααΈ?: a. ααΎααα»αααΆααααααΎα b. ααα αα ααα·α c. ααα αααααΆαααααΊ d. Make Exposure 136 / 260 136) ααααΆαα Safeligh αα ααααααααΆ?: a. αααααααααααααΆαα ααα·α b. ααααα Tank ααΆαα ααα·α c. ααααααααααααα»αα ααα·α d. αααααααααααααΆαααΆα 137 / 260 137) ααΎααααΆααΆαα½αααααα»αα αααα Maxillary Extraoral Radiography ααΆα: a. SM.V projection b. Lateral of sinus c. P.A of sinus d. Lateral oblique of mandible 138 / 260 138) ααΌαα ααα»α’αααΈ ααΆααα·αα·αααααααα·αααα»αααα·αααΆααααααααααααααΆα (standard) ααΎααααΆααΆαα·αααααΉαααααΌα?: a. αα·αααα»ααααααΎ Ionizing Irradiation b. αα·αααα»αααααααααααα’αααααΎα c. αα·αααα»ααα’αΆα αααααΎαCancer d. αα·αααα»ααααααααααααααααΆααααααααα·ααΆααα 139 / 260 139) Distal rube shift projection of 6 ααΎααααΈααΎα: a. Root canal mesial of 6 b. Pulpe chamber c. Face occlusal of 6 d. Root canal distal of 6 140 / 260 140) αααααΆααααααΆααααααααΎαααααΆαα·ααααααΆ electromagnetic wave?: a. ααα ααΆααααααΈ Ultraviolet b. αααααΆααααααΈX c. ααα Tunning Fork d. ααα α’αααα·αααΈ 141 / 260 141) ααΎ Sinus ααααααΆααΆαααΆααααΆαααΆ?: a. ααΌα α α»αα’αΆαα b. Transparent c. Opaque d. Opaque ααΆαααααααΆα transparent ααΆαααααααΆα 142 / 260 142) Chemical solution used in development process to reduce the exposed, energized silver halide crystals: a. Developer b. Drying c. All are corrects d. Washing 143 / 260 143) ααΆαααΆαα ααα·α Processing ααΆαααα»ααααΆαStep?: a. 5 b. 4 c. 2 d. 3 144 / 260 144) αααααααααΆααα½ααΆααΈ?: a. ααααΆααααΆαα ααααααα b. ααααΆααααααα c. αααα½ααααααΆαααΆααα αααΈα d. αα»αα’αααααααα‘αΆααααΉααααα 145 / 260 145) ααααΎ High Speed Film ααΆαααα ααααα’αααΈαααα?: a. Film High Speed ααΆαααΆααααααααααΆαααααα·ααΆ b. α ααα·α High ααααααααααααααΆαααααα’ααααααααΊ c. α ααα·α High Speed αααααααΆαααααΎααααΆαα X-ray d. α ααα·α High Speed ααΆααααααααα 146 / 260 146) ααΎααααΈααΆαααΆααα»αα’ααααΆααααααααααΆαα α(Biologic effects) ααααααααΆαααααΈ X-Rays α’ααααα a. αα·αααααΌααααα·ααααααmachineαα b. ααααΌαααΆα Dosimetre c. ααααΌαααααΎ Radioscopieααααα d. αα·αααααΌααααα·ααα αααα»αaxeααααX-rays 147 / 260 147) Cone cutting?: a. α ααα·αααΆαααΆαααΌα αααααΎ b. α αααΈαααΆααααααααααα½ααα»α c. α αααΈαααΆααααααα½ααα»αααααααα d. α αααΈαααΆαααααΌααααα 148 / 260 148) ααΎαα·αααΆααααααααΆααααααΈX ααΎαα·αααα»αα Panoramique ααΆαααα»ααααΆααααααα?: a. 2 b. 1 c. 4 d. 5 149 / 260 149) ααΆααα X α¬ X Rays ααΎαα ααααΈααααααα a. ααΆααα Potentielle b. α’αααα·αααΈ c. ααΆααα Kenetic d. ααΆααα X 150 / 260 150) Radiographic contrast describe: a. The sharpness of lines in a radiograph b. The differences in photographic density in a radiograph c. The difference in density between two different radiographs d. The average photographic density in a radiograph 151 / 260 151) Film Holder ααΆα: (ααΎααααΆααΆαα·αααααΉαααααΌα)?: a. Hemostat b. Snap A. Ray c. Film Hanger d. X.C.P 152 / 260 152) Film bitewing ααααΌααααααα : a. αααααΊααΆαααααΆαα αααΈα b. αααααΊααΆαα αααΈα c. αααα d. ααααΆααα 153 / 260 153) ααΆααααααΈ X ααΎαααΎαααααα a. ααΆαααα Platino cyanure de baryum b. ααΆααααααΈααααΌααααααααααααΆ c. αααααααα d. ααΆαααα Tungstate de calcium 154 / 260 154) Lowering the energy of the radiation used to produce a radiograph will generally result in: a. Less latitude b. A Longer exposure time c. All of the above d. Higher contrast sensitivity 155 / 260 155) ααα α»αααααΆαααΆαα ααα·αααααΎα’ααα ααα·ααααα ααΎααα ααααΆααααΆαααΆ?: a. ααΈ3 b. ααΈ4 c. ααΈ1 d. ααΈ2 156 / 260 156) αα·αααα»αα Cross Sectional C.R : a. 45Β° ααΆαα½ααααα ααα·α b. 65Β° ααΆαα½ααααα ααα·α c. αααααΆαα½ααααα ααα·α d. 60Β° ααΆαα½ααααα ααα·α 157 / 260 157) Stationary lab or shop X-ray systems usually rely on what to limit exposure to the radiation?: a. Time limits b. All of the above c. Distance controls d. Shielding 158 / 260 158) Bitewing Radiograph ααΎαααΎα Recurrent Carie ααααα : a. ααΆααααΎααΆααα X α αααΎα b. ααΆααααΎααΆααα X αα·α c. Vertical angulation ααΌα d. Vertical angulation αα 159 / 260 159) Which teeth should you always start with in paralleling technique is: a. Anterior and posterior b. Posterior c. Anterior d. No answer 160 / 260 160) ConeαααααΆααααααα: a. 29cm b. 35cm c. 41cm d. 38cm 161 / 260 161) Bisecting technique used to expose: a. All are corrects b. CTB c. Panoramic d. Periapical films 162 / 260 162) Which two types of radiation-matter interactions account for the majority of attenuation in typical industrial radiography? : a. Compton Scattering and photoelectric absorption b. None of the above c. Pair production and photoelectric absorption d. Compton Scattering and pair production 163 / 260 163) αααααααΆαα Contact High tension element αααααα’αααΈ ααααααααΈ Cathode αα anticathode? (ααααΆααΆαα»α): a. X-Ray b. Atom c. Electron d. Photon 164 / 260 164) X-rays and Gamma rays are a form of: a. All are corrects b. Particle radiation c. Electromagnetic radiation d. Light 165 / 260 165) Cone αααααΎαααΎααααααΆαα?: a. α’ααααΆααααααΈαα b. ααααααααααααα c. α’ααααΆααααααΈαααααα d. α’ααααΆααααααΈα αα 166 / 260 166) Cassette αααααα ααΆααααΆαααα»ααααΆααααααα? : a. 6αααααα b. 7αααααα c. 2αααααα d. 1αααααα 167 / 260 167) α ααα·αααα 2 ααΆααα·ααΆα : a. 31mm Γ 41mm b. 22mm Γ 35mm c. 27mm Γ 54mm d. 24mmΓ 40mm 168 / 260 168) Film ααΆαααα»ααααΆααααααΆαα?: a. 3 b. 7 c. 6 d. 5 169 / 260 169) Bremsstrahlung production of X-rays produces radiation that is composed of: a. A continuous spectrum of energies over some range b. Radiation of only one energy c. A small number of very defined energies d. None of the above 170 / 260 170) ααΎ Occlusal plane αααα½αααα Plan α’αααΈ?: a. Plan Frankfort b. Mindibular Plane c. Plan mid-sagihal d. Plan Camper 171 / 260 171) Vertical angulation ααααΆαααα canine ααΎ: a. 40 degrΓ©e b. 35 degrΓ©e c. 45 degrΓ©e d. 30 degrΓ©e 172 / 260 172) The developer solution basic ingredients is: a. Restrainer b. Accelerator, and c. All are corrects d. Developing agent e. Preservative 173 / 260 173) Central Ray (C.R) ααααΎαααα»αααΆααΆααΆααααΊ:?: a. Rayon Principale b. Rayon Choisie c. Rayon Central 174 / 260 174) A specific radioactive source will always produce gamma rays at the same: a. Energy levels b. Activity c. None of the above d. Intensity 175 / 260 175) Increasing milliamperage results in an increase in: a. Mean energy of the beam b. Number of x-rays produced c. Temperature of the filament d. Temperature of the filament and number of x-rays produced 176 / 260 176) Hard Rays ααΆαααααααααααα a. 0,06 AΛ αα 1 AΛ b. 0,06 AΛ αα 5 AΛ c. 0,06 AΛ αα 4 AΛ d. 0,06 AΛ αα 12 AΛ 177 / 260 177) α αΌαααααααΆαα»α Anterior occlusal αα mandible αααα½αααα:: a. P.A. Skull b. Bitewing Radiography c. αα·αααα»αα symphyse d. Lateral Jaw 178 / 260 178) α ααα·α Occlusal αααααα»ααΆαα’αΆαα»αααααα₯ααααΆαααΆα ααα·α: a. 27mm x 54mm b. 57mm x 76mm c. αααα d. 31mm x 41mm 179 / 260 179) ααα’αΆα ααΎαααααΎαααΆααααααααααΆααααΆαααΆααααΆαααΆαα αααΈα?α a. ααααΌα b. Developer c. Fixation d. ααΆαααΉα 180 / 260 180) ααΎααααΆααΆαα½αααααα»αα αααα αα·αααα»ααBitewingααΆαααααααα: a. Premolar b. Anterior c. Molar d. Canine 181 / 260 181) αααα»ααα αα ααααα Film Extraoral, Film low speed α’ααααΌα: a. α’ααααΌααα·αααΌαααα’ααΌα α ααα·α High Speed b. ααα’ααΆαα ααα·α High Speed c. ααΌα ααΌαααα’ααΌα ααααΆ 182 / 260 182) Long Cone ααΆαααααααα a. 39cm b. 46cm c. 41cm d. 30cm 183 / 260 183) αααα»α Lateral oblique of mandible ααααΆαα’αααααααΊααααΌαααααααα: a. αααααααααααΆααααααΊ b. ααααααααα·αααααΌααα·αα·ααα c. αααααααααααΌααα(ααΆαααααΊ) d. ααααααα X-Ray α αΌα