TEST BANK FOR DENTAL
RADIOGRAPHY PRINCIPLES AND
TECHNIQUES 6TH EDITION BY JOEN
IANNUCCI AND LAURA HOWERTON
2026 FINAL PAPER PRACTICE
QUESTIONS ANSWERS ACCURATE
A+
◉ What are common uses for CBCT 3D image?
Answer: determining bone structure and tooth orientation
◉ The diameter of the cone-shaped beam produced from a circular
colimator is
Answer: 2.75 inches
◉ During the exposure of digital radiography the operator should
Answer: Put on gloves to access additional items form a drawer.
◉ When placing periapical images in a template, what information helps
to distinguish maxillary molar images form mandibular molar images?
Answer: The maxillary sinus outline is visible.
◉ Which of the following landmarks would be seen in a maxillary
anterior periapical image?
,Answer: Incisive foramen
◉ ALARA is primarily concerned with the radiation that is
Answer: artificial
◉ Digital radiography positioning devices should be
Answer: heat sterilized
◉ Which size image receptor would be used for an adult posterior
periapical film?
Answer: 2
◉ On an anterior image, the anterior alveolar crest normally appears
Answer: pointed and sharp
◉ Impacted third molars are best seen with what type of radiograph?
Answer: Panoramic
◉ The lead apron and thyroid collar used during radiography should be
disinfected
Answer: after each use
◉ Leakage radiation is defined as any radiation that is
Answer: from the primary beam
, ◉ Which of the following landmarks is useful when mounting images of
the mandibular posterior area?
Answer: Mental foramen
◉ Before exposing radiographs on a minor, the dental assistant should
Answer: obtain consent from the parent or legal guardian.
◉ When preparing to take a digital radiograph, after selecting the
appropriate sensor size for the patient, the next step is to
Answer: place a barrier on the senor.
◉ Which of the following is automatically labeled on the computer
template for an image?
Answer: Date of image
◉ The best way a dental assistant can minimize cross-contamination
when exposing radiographs is to
Answer: Touch as few surfaces as possible.
◉ When taking digital images, when should the operator put on PPE?
Answer: Before handling any items to be placed in the patient's mouth
◉ Processed PSP plates should be handled by the edges to prevent
RADIOGRAPHY PRINCIPLES AND
TECHNIQUES 6TH EDITION BY JOEN
IANNUCCI AND LAURA HOWERTON
2026 FINAL PAPER PRACTICE
QUESTIONS ANSWERS ACCURATE
A+
◉ What are common uses for CBCT 3D image?
Answer: determining bone structure and tooth orientation
◉ The diameter of the cone-shaped beam produced from a circular
colimator is
Answer: 2.75 inches
◉ During the exposure of digital radiography the operator should
Answer: Put on gloves to access additional items form a drawer.
◉ When placing periapical images in a template, what information helps
to distinguish maxillary molar images form mandibular molar images?
Answer: The maxillary sinus outline is visible.
◉ Which of the following landmarks would be seen in a maxillary
anterior periapical image?
,Answer: Incisive foramen
◉ ALARA is primarily concerned with the radiation that is
Answer: artificial
◉ Digital radiography positioning devices should be
Answer: heat sterilized
◉ Which size image receptor would be used for an adult posterior
periapical film?
Answer: 2
◉ On an anterior image, the anterior alveolar crest normally appears
Answer: pointed and sharp
◉ Impacted third molars are best seen with what type of radiograph?
Answer: Panoramic
◉ The lead apron and thyroid collar used during radiography should be
disinfected
Answer: after each use
◉ Leakage radiation is defined as any radiation that is
Answer: from the primary beam
, ◉ Which of the following landmarks is useful when mounting images of
the mandibular posterior area?
Answer: Mental foramen
◉ Before exposing radiographs on a minor, the dental assistant should
Answer: obtain consent from the parent or legal guardian.
◉ When preparing to take a digital radiograph, after selecting the
appropriate sensor size for the patient, the next step is to
Answer: place a barrier on the senor.
◉ Which of the following is automatically labeled on the computer
template for an image?
Answer: Date of image
◉ The best way a dental assistant can minimize cross-contamination
when exposing radiographs is to
Answer: Touch as few surfaces as possible.
◉ When taking digital images, when should the operator put on PPE?
Answer: Before handling any items to be placed in the patient's mouth
◉ Processed PSP plates should be handled by the edges to prevent
