RHS exam prep -exam elaborations with 100% verified answer/solutions-
Excel & Succeed – Already Graded A+
periapical - (ANSWER)radiographic image showing the crown, root tip, & surrounding structures
periapical radiographs used to detect: - (ANSWER)any abnormalities of the root structure & surrounding
bone structure
Bitewing radiograph - (ANSWER)image view showing the crowns of both arches on one film
bitewing radiographs used to detect: - (ANSWER)or monitor interproximal caries if the proximal surfaces
of the teeth cannot be visually tactilely examined
full mouth series radiograph - (ANSWER)is composed of a series of individual images, including a
combination of bitewing & periapical
purpose of full mouth series: - (ANSWER)as a baseline on the health of your mouth
Occlusal radiograph - (ANSWER)image that shows large areas of the maxilla or mandible
Occlusal radiograph purpose: - (ANSWER)help track the development & placement of a section or entire
arch of teeth in the upper or lower jaw
panoramic radiograph - (ANSWER)provides full view of the upper & lower jaw
panoramic radiograph purpose - (ANSWER)allows us view your head, neck, & jaw, & how they work
together as a whole
Cephalometric radiograph - (ANSWER)extraoral radiograph of the bones & tissues of the head
Cephalometric radiograph purpose - (ANSWER)enables the dentist to capture a complete radiographic
image of the side of the face
,RHS exam prep -exam elaborations with 100% verified answer/solutions-
Excel & Succeed – Already Graded A+
CBCT (cone beam computed tomography) - (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 - (ANSWER)allows accurate, three dimensional (3D)
imaging of hard tissue structures
Radiolucent - (ANSWER)- portion of an image that is dark or black;
- the passage of x-rays w/relatively little attenuation by absorption
Radiopaque - (ANSWER)- portion of an image that appears light or white
- strongly inhibiting the passage of x-rays
Phosphor plates are processed by using: - (ANSWER)laser beam technology
Most bilateral findings in images are considered: - (ANSWER)normal anatomic landmarks
Impacted third molars are best seen w/what type of radiograph? - (ANSWER)Panoramic
Which of the following is automatically labeled on the computer template for an image? -
(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: - (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: - (ANSWER)1.5 mm
, RHS exam prep -exam elaborations with 100% verified answer/solutions-
Excel & Succeed – Already Graded A+
Foreshortening of the maxillary radiographic image results from: - (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: - (ANSWER)intermediate-level disinfectant
Dilaceration in a radiographic image indicates the: - (ANSWER)root shape is abnormally bent or curved
Somatic effects of radiation do NOT have damaging effects on: - (ANSWER)offspring
Which of the following will best protect the dental assistant from cross-contamination while exposing
radiographs? - (ANSWER)Gloves
The time between patient exposure to radiation & the appearance of biological damage is the: -
(ANSWER)latent period
Which of the following cells exposed to radiation may be associated w/leukemia? - (ANSWER)somatic
When documenting a lesion found on an image, all of the following should be described EXCEPT: -
(ANSWER)severity
A panoramic image appears to have a "reverse smile" when the: - (ANSWER)Frankfort plane is angled
upward
A cephalometric radiograph is PRIMARILY used to evaluate: - (ANSWER)lateral jaw development
Compared to radiopaque structures, radiolucent structures: - (ANSWER)appear dark on an image
The radiation that is formed by the interaction of x-rays w/matter is: - (ANSWER)secondary radiation
Excel & Succeed – Already Graded A+
periapical - (ANSWER)radiographic image showing the crown, root tip, & surrounding structures
periapical radiographs used to detect: - (ANSWER)any abnormalities of the root structure & surrounding
bone structure
Bitewing radiograph - (ANSWER)image view showing the crowns of both arches on one film
bitewing radiographs used to detect: - (ANSWER)or monitor interproximal caries if the proximal surfaces
of the teeth cannot be visually tactilely examined
full mouth series radiograph - (ANSWER)is composed of a series of individual images, including a
combination of bitewing & periapical
purpose of full mouth series: - (ANSWER)as a baseline on the health of your mouth
Occlusal radiograph - (ANSWER)image that shows large areas of the maxilla or mandible
Occlusal radiograph purpose: - (ANSWER)help track the development & placement of a section or entire
arch of teeth in the upper or lower jaw
panoramic radiograph - (ANSWER)provides full view of the upper & lower jaw
panoramic radiograph purpose - (ANSWER)allows us view your head, neck, & jaw, & how they work
together as a whole
Cephalometric radiograph - (ANSWER)extraoral radiograph of the bones & tissues of the head
Cephalometric radiograph purpose - (ANSWER)enables the dentist to capture a complete radiographic
image of the side of the face
,RHS exam prep -exam elaborations with 100% verified answer/solutions-
Excel & Succeed – Already Graded A+
CBCT (cone beam computed tomography) - (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 - (ANSWER)allows accurate, three dimensional (3D)
imaging of hard tissue structures
Radiolucent - (ANSWER)- portion of an image that is dark or black;
- the passage of x-rays w/relatively little attenuation by absorption
Radiopaque - (ANSWER)- portion of an image that appears light or white
- strongly inhibiting the passage of x-rays
Phosphor plates are processed by using: - (ANSWER)laser beam technology
Most bilateral findings in images are considered: - (ANSWER)normal anatomic landmarks
Impacted third molars are best seen w/what type of radiograph? - (ANSWER)Panoramic
Which of the following is automatically labeled on the computer template for an image? -
(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: - (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: - (ANSWER)1.5 mm
, RHS exam prep -exam elaborations with 100% verified answer/solutions-
Excel & Succeed – Already Graded A+
Foreshortening of the maxillary radiographic image results from: - (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: - (ANSWER)intermediate-level disinfectant
Dilaceration in a radiographic image indicates the: - (ANSWER)root shape is abnormally bent or curved
Somatic effects of radiation do NOT have damaging effects on: - (ANSWER)offspring
Which of the following will best protect the dental assistant from cross-contamination while exposing
radiographs? - (ANSWER)Gloves
The time between patient exposure to radiation & the appearance of biological damage is the: -
(ANSWER)latent period
Which of the following cells exposed to radiation may be associated w/leukemia? - (ANSWER)somatic
When documenting a lesion found on an image, all of the following should be described EXCEPT: -
(ANSWER)severity
A panoramic image appears to have a "reverse smile" when the: - (ANSWER)Frankfort plane is angled
upward
A cephalometric radiograph is PRIMARILY used to evaluate: - (ANSWER)lateral jaw development
Compared to radiopaque structures, radiolucent structures: - (ANSWER)appear dark on an image
The radiation that is formed by the interaction of x-rays w/matter is: - (ANSWER)secondary radiation
