RHS FINAL EXAM SOLUTIONS WITH
CORRECT ANSWERS
periapical - CORRECT ANSWER-radiographic image showing
the crown, root tip, & surrounding structures
periapical radiographs used to detect: - CORRECT ANSWER-
any abnormalities of the root structure & surrounding bone
structure
Bitewing radiograph - CORRECT ANSWER-image view
showing the crowns of both arches on one film
bitewing radiographs used to detect: - CORRECT ANSWER-or
monitor interproximal caries if the proximal surfaces of the teeth
cannot be visually tactilely examined
full mouth series radiograph - CORRECT ANSWER-is
composed of a series of individual images, including a
combination of bitewing & periapical
purpose of full mouth series: - CORRECT ANSWER-as a
baseline on the health of your mouth
Occlusal radiograph - CORRECT ANSWER-image that shows
large areas of the maxilla or mandible
,Occlusal radiograph purpose: - CORRECT ANSWER-help
track the development & placement of a section or entire arch
of teeth in the upper or lower jaw
panoramic radiograph - CORRECT ANSWER-provides full view
of the upper & lower jaw
panoramic radiograph purpose - CORRECT ANSWER-allows
us view your head, neck, & jaw, & how they work together as a
whole
Cephalometric radiograph - CORRECT ANSWER-extraoral
radiograph of the bones & tissues of the head
Cephalometric radiograph purpose - CORRECT ANSWER-
enables the dentist to capture a complete radiographic image of
the side of the face
CBCT (cone beam computed tomography) - CORRECT
ANSWER-three dimensional digital imaging method that uses a
cone-shaped beam of radiation that rotates around the patient
CBCT (cone beam computed tomography) purpose -
CORRECT ANSWER-allows accurate, three dimensional (3D)
imaging of hard tissue structures
Radiolucent - CORRECT ANSWER-- portion of an image that
is dark or black;
- the passage of x-rays w/relatively little attenuation by
absorption
Radiopaque - CORRECT ANSWER-- portion of an image that
appears light or white
- strongly inhibiting the passage of x-rays
Phosphor plates are processed by using: - CORRECT
ANSWER-laser beam technology
, Most bilateral findings in images are considered: - CORRECT
ANSWER-normal anatomic landmarks
Impacted third molars are best seen w/what type of
radiograph? - CORRECT ANSWER-Panoramic
Which of the following is automatically labeled on the computer
template for an image? - CORRECT ANSWER-Date of image
The main purpose of using a lead apron w/a thyroid collar when
exposing dental radiographs is to protect the patient from: -
CORRECT ANSWER-scatter radiation
For x-ray machines operating in ranges at or below 70 kVp, the
total aluminum equivalent filtration must be a minimum of: -
CORRECT ANSWER-1.5 mm
Foreshortening of the maxillary radiographic image results
from: - CORRECT ANSWER-increased vertical angulation
After a patient has been dismissed, dental unit surfaces &
counter tops that may have been contaminated should be
cleaned w/an EPA-registered: - CORRECT ANSWER-
intermediate-level disinfectant
Dilaceration in a radiographic image indicates the: - CORRECT
ANSWER-root shape is abnormally bent or curved
Somatic effects of radiation do NOT have damaging effects on:
- CORRECT ANSWER-offspring
Which of the following will best protect the dental assistant from
cross-contamination while exposing radiographs? - CORRECT
ANSWER-Gloves
CORRECT ANSWERS
periapical - CORRECT ANSWER-radiographic image showing
the crown, root tip, & surrounding structures
periapical radiographs used to detect: - CORRECT ANSWER-
any abnormalities of the root structure & surrounding bone
structure
Bitewing radiograph - CORRECT ANSWER-image view
showing the crowns of both arches on one film
bitewing radiographs used to detect: - CORRECT ANSWER-or
monitor interproximal caries if the proximal surfaces of the teeth
cannot be visually tactilely examined
full mouth series radiograph - CORRECT ANSWER-is
composed of a series of individual images, including a
combination of bitewing & periapical
purpose of full mouth series: - CORRECT ANSWER-as a
baseline on the health of your mouth
Occlusal radiograph - CORRECT ANSWER-image that shows
large areas of the maxilla or mandible
,Occlusal radiograph purpose: - CORRECT ANSWER-help
track the development & placement of a section or entire arch
of teeth in the upper or lower jaw
panoramic radiograph - CORRECT ANSWER-provides full view
of the upper & lower jaw
panoramic radiograph purpose - CORRECT ANSWER-allows
us view your head, neck, & jaw, & how they work together as a
whole
Cephalometric radiograph - CORRECT ANSWER-extraoral
radiograph of the bones & tissues of the head
Cephalometric radiograph purpose - CORRECT ANSWER-
enables the dentist to capture a complete radiographic image of
the side of the face
CBCT (cone beam computed tomography) - CORRECT
ANSWER-three dimensional digital imaging method that uses a
cone-shaped beam of radiation that rotates around the patient
CBCT (cone beam computed tomography) purpose -
CORRECT ANSWER-allows accurate, three dimensional (3D)
imaging of hard tissue structures
Radiolucent - CORRECT ANSWER-- portion of an image that
is dark or black;
- the passage of x-rays w/relatively little attenuation by
absorption
Radiopaque - CORRECT ANSWER-- portion of an image that
appears light or white
- strongly inhibiting the passage of x-rays
Phosphor plates are processed by using: - CORRECT
ANSWER-laser beam technology
, Most bilateral findings in images are considered: - CORRECT
ANSWER-normal anatomic landmarks
Impacted third molars are best seen w/what type of
radiograph? - CORRECT ANSWER-Panoramic
Which of the following is automatically labeled on the computer
template for an image? - CORRECT ANSWER-Date of image
The main purpose of using a lead apron w/a thyroid collar when
exposing dental radiographs is to protect the patient from: -
CORRECT ANSWER-scatter radiation
For x-ray machines operating in ranges at or below 70 kVp, the
total aluminum equivalent filtration must be a minimum of: -
CORRECT ANSWER-1.5 mm
Foreshortening of the maxillary radiographic image results
from: - CORRECT ANSWER-increased vertical angulation
After a patient has been dismissed, dental unit surfaces &
counter tops that may have been contaminated should be
cleaned w/an EPA-registered: - CORRECT ANSWER-
intermediate-level disinfectant
Dilaceration in a radiographic image indicates the: - CORRECT
ANSWER-root shape is abnormally bent or curved
Somatic effects of radiation do NOT have damaging effects on:
- CORRECT ANSWER-offspring
Which of the following will best protect the dental assistant from
cross-contamination while exposing radiographs? - CORRECT
ANSWER-Gloves
