VTT 242 Chapter 11 Exam UPDATED
ACTUAL QUESTIONS AND CORRECT
ANSWERS
What is the apex in dentistry? - CORRECT ANSWER The pointed end of a cone-shaped part,
or the end of a tooth root where blood vessels and nerves enter the tooth.
What are odontoblasts? - CORRECT ANSWER Cells that line the pulp chamber and produce
dentine.
What is the bisecting-angle technique? - CORRECT ANSWER A radiographic technique
obtained by visualizing an imaginary line that bisects the angle formed by the x-ray film and the
structures being radiographed.
What is dentine? - CORRECT ANSWER One of the hard tissues of the teeth that constitutes
most of its bulk, lying between the pulp cavity and the enamel.
What does CR stand for in dental radiology? - CORRECT ANSWER Computerized Radiology.
What is dental radiographic film? - CORRECT ANSWER X-ray film used in the dental office.
What is the parallel technique in dental radiography? - CORRECT ANSWER A radiographic
technique indicated to evaluate the caudal mandibular teeth and nasal cavity.
What is a DR sensor? - CORRECT ANSWER A digital or direct radiology system that can
include a sensor or phosphorus plate.
What is the Slob Rule? - CORRECT ANSWER The same lingual opposite buccal rule used to
identify roots that are laying side by side.
What does lucency refer to in dental radiography? - CORRECT ANSWER An area of an x-ray
image that represents the absorption of less radioactive energy than the surrounding tissue.
ACTUAL QUESTIONS AND CORRECT
ANSWERS
What is the apex in dentistry? - CORRECT ANSWER The pointed end of a cone-shaped part,
or the end of a tooth root where blood vessels and nerves enter the tooth.
What are odontoblasts? - CORRECT ANSWER Cells that line the pulp chamber and produce
dentine.
What is the bisecting-angle technique? - CORRECT ANSWER A radiographic technique
obtained by visualizing an imaginary line that bisects the angle formed by the x-ray film and the
structures being radiographed.
What is dentine? - CORRECT ANSWER One of the hard tissues of the teeth that constitutes
most of its bulk, lying between the pulp cavity and the enamel.
What does CR stand for in dental radiology? - CORRECT ANSWER Computerized Radiology.
What is dental radiographic film? - CORRECT ANSWER X-ray film used in the dental office.
What is the parallel technique in dental radiography? - CORRECT ANSWER A radiographic
technique indicated to evaluate the caudal mandibular teeth and nasal cavity.
What is a DR sensor? - CORRECT ANSWER A digital or direct radiology system that can
include a sensor or phosphorus plate.
What is the Slob Rule? - CORRECT ANSWER The same lingual opposite buccal rule used to
identify roots that are laying side by side.
What does lucency refer to in dental radiography? - CORRECT ANSWER An area of an x-ray
image that represents the absorption of less radioactive energy than the surrounding tissue.
