RHS exam prep
periapical - Question and answersradiographic image showing the crown, root tip, &
surrounding structures
periapical radiographs used to detect: - Question and answersany abnormalities of the
root structure & surrounding bone structure
Bitewing radiograph - Question and answersimage view showing the crowns of both
arches on one film
bitewing radiographs used to detect: - Question and answersor monitor interproximal
caries if the proximal surfaces of the teeth cannot be visually tactilely examined
full mouth series radiograph - Question and answersis composed of a series of
individual images, including a combination of bitewing & periapical
purpose of full mouth series: - Question and answersas a baseline on the health of your
mouth
Occlusal radiograph - Question and answersimage that shows large areas of the maxilla
or mandible
Occlusal radiograph purpose: - Question and answershelp track the development &
placement of a section or entire arch of teeth in the upper or lower jaw
panoramic radiograph - Question and answersprovides full view of the upper & lower
jaw
panoramic radiograph purpose - Question and answersallows us view your head, neck,
& jaw, & how they work together as a whole
Cephalometric radiograph - Question and answersextraoral radiograph of the bones &
tissues of the head
Cephalometric radiograph purpose - Question and answersenables the dentist to
capture a complete radiographic image of the side of the face
CBCT (cone beam computed tomography) - Question and answersthree dimensional
digital imaging method that uses a cone-shaped beam of radiation that rotates around
the patient
,CBCT (cone beam computed tomography) purpose - Question and answersallows
accurate, three dimensional (3D) imaging of hard tissue structures
Radiolucent - Question and answers- portion of an image that is dark or black;
- the passage of x-rays w/relatively little attenuation by absorption
Radiopaque - Question and answers- portion of an image that appears light or white
- strongly inhibiting the passage of x-rays
Phosphor plates are processed by using: - Question and answerslaser beam
technology
Most bilateral findings in images are considered: - Question and answersnormal
anatomic landmarks
Impacted third molars are best seen w/what type of radiograph? - Question and
answersPanoramic
Which of the following is automatically labeled on the computer template for an image? -
Question and answersDate of image
The main purpose of using a lead apron w/a thyroid collar when exposing dental
radiographs is to protect the patient from: - Question and answersscatter radiation
For x-ray machines operating in ranges at or below 70 kVp, the total aluminum
equivalent filtration must be a minimum of: - Question and answers1.5 mm
Foreshortening of the maxillary radiographic image results from: - Question and
answersincreased 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: - Question and
answersintermediate-level disinfectant
Dilaceration in a radiographic image indicates the: - Question and answersroot shape is
abnormally bent or curved
Somatic effects of radiation do NOT have damaging effects on: - Question and
answersoffspring
Which of the following will best protect the dental assistant from cross-contamination
while exposing radiographs? - Question and answersGloves
The time between patient exposure to radiation & the appearance of biological damage
is the: - Question and answerslatent period
, Which of the following cells exposed to radiation may be associated w/leukemia? -
Question and answerssomatic
When documenting a lesion found on an image, all of the following should be described
EXCEPT: - Question and answersseverity
A panoramic image appears to have a "reverse smile" when the: - Question and
answersFrankfort plane is angled upward
A cephalometric radiograph is PRIMARILY used to evaluate: - Question and
answerslateral jaw development
Compared to radiopaque structures, radiolucent structures: - Question and
answersappear dark on an image
The radiation that is formed by the interaction of x-rays w/matter is: - Question and
answerssecondary radiation
Which of the following anatomical landmarks is NOT normally seen on intraoral
radiographs? - Question and answersFrontal sinus
Compared to a dentulous patient, radiographic exposure time on an edentulous adult
patient should: - Question and answersdecrease
According to the inverse square law, when changing the PID length from 8 to 16 inches,
the beams intensity is: - Question and answers1.4 as intense
Which image would be best utilized to see the relationship of the alveolar bone? -
Question and answersvertical bitewing
When using a 16-inch PID compared to an 8-inch PID the exposure time must: -
Question and answersbe increased
Which of the following extraoral radiographs is used to evaluate impacted teeth, large
lesions & fractures of the mandible? - Question and answerslateral jaw projection
Dental Healthcare personnel who are pregnant can expose radiographs during the: -
Question and answersentire pregnancy
Which part of the x-ray machine should be covered or disinfected after each patient? -
Question and answerstubehead
Using the ALARA concept as guideline for radiographs includes all of the following
EXCEPT: - Question and answerscircular PID
periapical - Question and answersradiographic image showing the crown, root tip, &
surrounding structures
periapical radiographs used to detect: - Question and answersany abnormalities of the
root structure & surrounding bone structure
Bitewing radiograph - Question and answersimage view showing the crowns of both
arches on one film
bitewing radiographs used to detect: - Question and answersor monitor interproximal
caries if the proximal surfaces of the teeth cannot be visually tactilely examined
full mouth series radiograph - Question and answersis composed of a series of
individual images, including a combination of bitewing & periapical
purpose of full mouth series: - Question and answersas a baseline on the health of your
mouth
Occlusal radiograph - Question and answersimage that shows large areas of the maxilla
or mandible
Occlusal radiograph purpose: - Question and answershelp track the development &
placement of a section or entire arch of teeth in the upper or lower jaw
panoramic radiograph - Question and answersprovides full view of the upper & lower
jaw
panoramic radiograph purpose - Question and answersallows us view your head, neck,
& jaw, & how they work together as a whole
Cephalometric radiograph - Question and answersextraoral radiograph of the bones &
tissues of the head
Cephalometric radiograph purpose - Question and answersenables the dentist to
capture a complete radiographic image of the side of the face
CBCT (cone beam computed tomography) - Question and answersthree dimensional
digital imaging method that uses a cone-shaped beam of radiation that rotates around
the patient
,CBCT (cone beam computed tomography) purpose - Question and answersallows
accurate, three dimensional (3D) imaging of hard tissue structures
Radiolucent - Question and answers- portion of an image that is dark or black;
- the passage of x-rays w/relatively little attenuation by absorption
Radiopaque - Question and answers- portion of an image that appears light or white
- strongly inhibiting the passage of x-rays
Phosphor plates are processed by using: - Question and answerslaser beam
technology
Most bilateral findings in images are considered: - Question and answersnormal
anatomic landmarks
Impacted third molars are best seen w/what type of radiograph? - Question and
answersPanoramic
Which of the following is automatically labeled on the computer template for an image? -
Question and answersDate of image
The main purpose of using a lead apron w/a thyroid collar when exposing dental
radiographs is to protect the patient from: - Question and answersscatter radiation
For x-ray machines operating in ranges at or below 70 kVp, the total aluminum
equivalent filtration must be a minimum of: - Question and answers1.5 mm
Foreshortening of the maxillary radiographic image results from: - Question and
answersincreased 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: - Question and
answersintermediate-level disinfectant
Dilaceration in a radiographic image indicates the: - Question and answersroot shape is
abnormally bent or curved
Somatic effects of radiation do NOT have damaging effects on: - Question and
answersoffspring
Which of the following will best protect the dental assistant from cross-contamination
while exposing radiographs? - Question and answersGloves
The time between patient exposure to radiation & the appearance of biological damage
is the: - Question and answerslatent period
, Which of the following cells exposed to radiation may be associated w/leukemia? -
Question and answerssomatic
When documenting a lesion found on an image, all of the following should be described
EXCEPT: - Question and answersseverity
A panoramic image appears to have a "reverse smile" when the: - Question and
answersFrankfort plane is angled upward
A cephalometric radiograph is PRIMARILY used to evaluate: - Question and
answerslateral jaw development
Compared to radiopaque structures, radiolucent structures: - Question and
answersappear dark on an image
The radiation that is formed by the interaction of x-rays w/matter is: - Question and
answerssecondary radiation
Which of the following anatomical landmarks is NOT normally seen on intraoral
radiographs? - Question and answersFrontal sinus
Compared to a dentulous patient, radiographic exposure time on an edentulous adult
patient should: - Question and answersdecrease
According to the inverse square law, when changing the PID length from 8 to 16 inches,
the beams intensity is: - Question and answers1.4 as intense
Which image would be best utilized to see the relationship of the alveolar bone? -
Question and answersvertical bitewing
When using a 16-inch PID compared to an 8-inch PID the exposure time must: -
Question and answersbe increased
Which of the following extraoral radiographs is used to evaluate impacted teeth, large
lesions & fractures of the mandible? - Question and answerslateral jaw projection
Dental Healthcare personnel who are pregnant can expose radiographs during the: -
Question and answersentire pregnancy
Which part of the x-ray machine should be covered or disinfected after each patient? -
Question and answerstubehead
Using the ALARA concept as guideline for radiographs includes all of the following
EXCEPT: - Question and answerscircular PID
