Dental Radiology Exam Practice Questions and Answers (100% pass)

Dental Radiology Exam Practice Questions and Answers (100% pass) Radiograph with many light and dark areas, but FEW shades of grey is said to have.... - Answer️️ -High contrast few shades of gray with high contrast is prooduced with------kVp - Answer️️ -low kvp increasing mA alone results in a film with - Answer️️ -increased density film produced using 90 kVp and 0.25 seconds. what exposure time is needed to produce the same at 75 kVp ? - Answer️️ -0.50 seconds The total energy contained in the xray beam in a specific area at a given time is termed.... - Answer️️ -intensity Increasing these will increase the intensity of the x-ray beam? - Answer️️ - kVp, mA, and exposure time The HVL is the amount of.. - Answer️️ -Aluminum needed to reduce the x-ray beam intensity by half. The kVp range for most dental x-rays is - Answer️️ -65-100 kV A higher kVp produces x-rays with - Answer️️ -more penetrating ability Radiation produced with high kVp results in - Answer️️ -short wavelengths ©SOPHIABENNET@2024/2025 Tuesday, August 20, 2024 10:21 AM 2 increasing mA results in an increase in - Answer️️ -Temp of filament and number of x-rays produced the mA range for dental radiography is - Answer️️ -7 to 15 mA Thermionic emission occurs in the - Answer️️ -negative cathode which radiation accounts for 70% of all the x-ray energy produced at the anode? - Answer️️ -General radiation Which radiation occurs only at 70 kVp or higher ad accounts for a very small part of dental x-rays produced? - Answer️️ -Characteristic radiation Primary radiation best described as - Answer️️ -radiation exists the tubehead Which type of scatter happens most often with dental x-rays? - Answer️️ - Compton why is an increased target film distance required in the paralleling technique? - Answer️️ -to avoid image magnification "Thin transparent coating that is placed over the emulsion." - Answer️️ - protective layer " flexible piece of plastic that withstands heat, moisture and chemical heat" - Answer️️ -film base Chemical compounds that change when exposed to radiation or light are termed - Answer️️ -halides crystals ©SOPHIABENNET@2024/2025 Tuesday, August 20, 2024 10:21 AM 3 invisible pattern of stored energy on the exposed film is termed? - Answer️️ -latent image Purpose of a lead foil sheet in the film packet is: - Answer️️ -to protect film from back scattered radiation The -----the crystals, the -------- the film speed - Answer️️ -The larger the crystals , the faster the film speed What regulates the flow of electrical current to the filament of the x-ray tube? - Answer️️ -low -voltage circuit What is used to increase the voltage in the high -voltage circuit? - Answer️️ -step-up transformer Process by which unstable atoms undergo a spontaneous disintegration in an effort to attain a more balance nuclear state?(undergo decay trying to become more balanced ) - Answer️️ -Radioactivity Who introduced paralleling tech. and exposed first dental radiograph in the US using a live person? - Answer️️ -C. Edmund Kells 1896 Introduced bisecting technique? - Answer️️ -Weston Price 1904 Introduced Bite-Wing tech? - Answer️️ -Howard Raper 1925 Four components of a film packaging? - Answer️️ -x-r