solutions
Which film requires the least amount of exposure? - Answer-F-Speed
/.The polyester plastic base of dental x-ray film has a slightly _______ tint? - Answer-
Blue
/.The following are examples of electromagnetic radiation with longer wavelength
except? (visible light, radio waves, television, xrays) - Answer-X-Rays
/.This radiation escapes in all directions from the tube or the tubehead. - Answer-Scatter
Radiation
/.The entire tooth and surrounding area are seen on which type of x-ray? - Answer-
Periapical X-Ray
/.Which of the following two exposure techniques uses a vertical angulation table for
proper positioning of the cone? - Answer-Bisecting Technique
/.Occlusal radiographs are used to locate or define all the following except? (fractures,
impacted teeth, changes in size and shape of arches, a facial view of the entire
mandibular arch) - Answer-A facial view of the entire mandibular arch
/.A full mouth survey of a child aged 3-5 years includes: - Answer-Two bitewings, six
anterior incisors, and four posteriors periapical
/.When processing film in an automatic processor, what is the sequence of the
solutions? - Answer-Developer, Fixer and Water
/.HARP stands for? - Answer-Healing Arts Radiation Protection
/.Which sizes are the PID available in? - Answer-8,12, and 16-inch length
/.What are the three regulating devices on the control panel? - Answer-mA, KVP and
Exposure Time
/.What part of the x-ray generating system is also known as "the heart"? - Answer-The
Tubehead
/.Radiopaque refers to? - Answer-Areas that show up as white on an exposed
radiograph
, /.Radiolucent refers to? - Answer-Areas that show up as dark/black on an exposed
radiograph
/.What is the main influence factor of contrast? - Answer-KVP
/.TFD stands for? - Answer-Target Film Distance
/.XCP stands for? - Answer-Extension Cone Paralleling
/.What is the purpose of lead foil, inside the film packet? - Answer-To prevent scatter
radiation
/.The optimal temperature for manual processing of radiographic images is? - Answer-
68 degrees fahrenheit
/.The developer solutions removes? - Answer-Exposed silver halide crystals
/.How many films does a full mouth series consist of? - Answer-18 films total, 2 incisors,
4 canines, 4 premolars, 4 molars, and 4 bitewings.
/.Developer spots will appear? - Answer-As dark spots
/.What is the proper wattage for the safelight? - Answer-15 watts
/.How often should processing solutions be replenished? - Answer-Daily
/.What is the purpose of the identification dot? - Answer-For orientation and to assist the
radiographer with mounting
/.If the completed film has a yellow-brown appearance, what is this a result of? -
Answer-Exhausted chemicals
/.What is the chemical used to build contrast? - Answer-Elon/Hydroquinone
/.When placing the receptor as close to the prescribed area, which technique is the
radiographer using? - Answer-Bisecting Technique
/.When preparing to take images, the radiographer will begin? - Answer-With the
anterior teeth first
/.The diameter of the useful beam at the end of the cone may not exeed? - Answer-2.75
inches
/.The intensifying screen is used because of? - Answer-Less radiation to the patient