RAD EXAM LATEST QUESTIONS AND CORRECT ANSWERS
ALREADY GRADED A+.
▶why is the tube vacuum sealed? Answer: prevents air and environment contamination
▶define crestal bone Answer: coronal portion of alveolar bone
▶what is the target made of? Answer: Tungsten
▶define contact area Answer: area where teeth touch
▶when electrons strike the tungsten target, how much is given off as heat? Answer: 99%
▶define horizontal bitewing Answer: film placed horizontally
▶What does edentulous mean? Answer: no teeth
▶define open contacts Answer: teeth with open spaces
▶what does the cathode do? Answer: produces high speed electrons
▶what are the 3 principles of BW technique? Answer: receptor placement, stabilize, patient
bite
▶what is the normal setting for the xray unit? Answer: 10MA
▶what are the 5 basic rules for BW technique? Answer: film centered, receptor covers all
teeth, its parallel to crown, +10 angulation & central ray points through contact areas
, ▶what is the penetrating ability controlled by? Answer: KvP
▶what is reversed film? Answer: herringbone
▶what is MA? Answer: milliamperage
▶what is double exposure? Answer: film taken twice
▶how is the apron stored? Answer: hung flat and never folded
▶What is phalangioma? Answer: fingers in the way
▶define prominence of bone tuberosity Answer: round prominence of bone
▶what is cancellous bone? Answer: spongy bone
▶what is the electromagnetic spectrum made up of? Answer: varying wavelengths
▶which cells are more sensitive to radiation? Answer: blood forming cells & reproductive
cells
▶the latent period related to erythema is considered long or short term? Answer: short
term
▶define bitewing receptor Answer: BW film
▶if a patient cannot hold film, who should? Answer: family member
▶what material has the ability to stop radiation? Answer: lead
ALREADY GRADED A+.
▶why is the tube vacuum sealed? Answer: prevents air and environment contamination
▶define crestal bone Answer: coronal portion of alveolar bone
▶what is the target made of? Answer: Tungsten
▶define contact area Answer: area where teeth touch
▶when electrons strike the tungsten target, how much is given off as heat? Answer: 99%
▶define horizontal bitewing Answer: film placed horizontally
▶What does edentulous mean? Answer: no teeth
▶define open contacts Answer: teeth with open spaces
▶what does the cathode do? Answer: produces high speed electrons
▶what are the 3 principles of BW technique? Answer: receptor placement, stabilize, patient
bite
▶what is the normal setting for the xray unit? Answer: 10MA
▶what are the 5 basic rules for BW technique? Answer: film centered, receptor covers all
teeth, its parallel to crown, +10 angulation & central ray points through contact areas
, ▶what is the penetrating ability controlled by? Answer: KvP
▶what is reversed film? Answer: herringbone
▶what is MA? Answer: milliamperage
▶what is double exposure? Answer: film taken twice
▶how is the apron stored? Answer: hung flat and never folded
▶What is phalangioma? Answer: fingers in the way
▶define prominence of bone tuberosity Answer: round prominence of bone
▶what is cancellous bone? Answer: spongy bone
▶what is the electromagnetic spectrum made up of? Answer: varying wavelengths
▶which cells are more sensitive to radiation? Answer: blood forming cells & reproductive
cells
▶the latent period related to erythema is considered long or short term? Answer: short
term
▶define bitewing receptor Answer: BW film
▶if a patient cannot hold film, who should? Answer: family member
▶what material has the ability to stop radiation? Answer: lead
