DANB RHS TEST REVIEW (CAVIT) – Questions With
Proper Solutions
Save
Terms in this set (201)
What is the time between patient C) latent period
exposure to radiation and the
appearance of biological damage
called?
A) waiting period
B) silent period
C) latent period
D) refractory period
The annual maximum accumulated A) Age minus 18 5 rems/year
dose (MAD) of radiation for dental
assistant is based on which of the
following calculations?
A) Age minus 18 5 rems/year
B) Age minus 18 3 rems/year
C) Age plus 18 5 rems/year
D) Age plus 18 3 rems/year
Which type of radiation is formed by D) secondary radiation
the interaction of x-rays with matter?
A) Bremsstrahlung radiation
B) primary radiation
C) scattered radiation
D) secondary radiation
,If a patient's chin is positioned too A) the image will appear flat or a "reverse smile"
high during a panoramic image, how
will the image appear?
A) the image will appear flat or a
"reverse smile"
B) the image will appear as an
exaggerated smile
C) anterior teeth will appear thin
D) anterior teeth will appear wide
If there are no teeth to serve as C) tuberosity
guides, which landmark indicates a
maxillary molar area radiograph?
A) mental foramen
B) internal oblique ridge
C) tuberosity
D) incisive foramen
When taking an occlusal radiograph, D) 1/8 - 1/4
the PSP packet should extend from
the patient's mouth by approximately
A) 1 1/8 - 1 1/4 inches
B) 1/2 - 5/8 inches
C) 3/4 - 1 inches
D) 1/8 - 1/4 inches
What are acceptable methods for D) none of the above
processing digital sensors between
patient use?
A) heat sterilization
B) immerse in high level disinfectant
C) disposal of sensor
D) none of the above
Long-term effects of exposure to D) birth abnormalities
radiation may be associated with
A) hemorrhaging
B) nausea and vomiting
C) hair loss
D) birth abnormalities
,The dense radiopaque band that D) inferior border
outlines the edge of a mandibular
image is the
A)oblique ridge
B) mental protuberance
C) mylohyoid ridge
D) inferior border
When taking a panoramic radiograph, B) with midsagittal plane perpendicular to the floor
the patient's head should be oriented
A) with the chin projecting forward
B) with midsagittal plane
perpendicular tot he floor
C) with the chin tipped up
D) so that it is rotated towards the
image receptor
Before exposing dental radiographs A) use touch to explain the patient the equipment
on a visually impaired patient and procedure
A) use touch to explain the patient the
equipment and procedure
B) ask caregiver to stabilize the image
receptor
C) set the exposure time to decrease
radiation
D) set the exposure time to increase
radiation
The most commonly used C) bitewing
radiographic exposure for a 3-year-
old patient is a
A)periapical
B) cephalometric
C) bitewing
D) panoramic
, What affects the speed of the B) kVp
electrons emitted from the tubehead?
A) impulses
B) kVp
C) mA
D) filtration
Dental healthcare personnel can BEST C) drywall barrier
shield themselves from radiation
during patient exposure by standing
behind
A) patients chair
B) a glass window
C) drywall barrier
D) the tubehead
The Buccal Object Rule is used to D) lingual to buccal
determine if a foreign body is located
in which direction?
A) occlusal to apical
B) buccal to distal
C) subgingival to supragingival
D) lingual to buccal
The total destruction of D) sterilizing
microorganisms and spores on
reusable instruments is accomplished
by
A) disinfectant
B) spraying with germicide
C) ultrasonic immersion
D) sterilizing
What helps decrease the exposure of A) paralleling technique
the thyroid gland from the primary
radiation beam?
A) paralleling technique
B) decreasing x-ray focal spot
C) use of round collimator
D) bisecting technique
Proper Solutions
Save
Terms in this set (201)
What is the time between patient C) latent period
exposure to radiation and the
appearance of biological damage
called?
A) waiting period
B) silent period
C) latent period
D) refractory period
The annual maximum accumulated A) Age minus 18 5 rems/year
dose (MAD) of radiation for dental
assistant is based on which of the
following calculations?
A) Age minus 18 5 rems/year
B) Age minus 18 3 rems/year
C) Age plus 18 5 rems/year
D) Age plus 18 3 rems/year
Which type of radiation is formed by D) secondary radiation
the interaction of x-rays with matter?
A) Bremsstrahlung radiation
B) primary radiation
C) scattered radiation
D) secondary radiation
,If a patient's chin is positioned too A) the image will appear flat or a "reverse smile"
high during a panoramic image, how
will the image appear?
A) the image will appear flat or a
"reverse smile"
B) the image will appear as an
exaggerated smile
C) anterior teeth will appear thin
D) anterior teeth will appear wide
If there are no teeth to serve as C) tuberosity
guides, which landmark indicates a
maxillary molar area radiograph?
A) mental foramen
B) internal oblique ridge
C) tuberosity
D) incisive foramen
When taking an occlusal radiograph, D) 1/8 - 1/4
the PSP packet should extend from
the patient's mouth by approximately
A) 1 1/8 - 1 1/4 inches
B) 1/2 - 5/8 inches
C) 3/4 - 1 inches
D) 1/8 - 1/4 inches
What are acceptable methods for D) none of the above
processing digital sensors between
patient use?
A) heat sterilization
B) immerse in high level disinfectant
C) disposal of sensor
D) none of the above
Long-term effects of exposure to D) birth abnormalities
radiation may be associated with
A) hemorrhaging
B) nausea and vomiting
C) hair loss
D) birth abnormalities
,The dense radiopaque band that D) inferior border
outlines the edge of a mandibular
image is the
A)oblique ridge
B) mental protuberance
C) mylohyoid ridge
D) inferior border
When taking a panoramic radiograph, B) with midsagittal plane perpendicular to the floor
the patient's head should be oriented
A) with the chin projecting forward
B) with midsagittal plane
perpendicular tot he floor
C) with the chin tipped up
D) so that it is rotated towards the
image receptor
Before exposing dental radiographs A) use touch to explain the patient the equipment
on a visually impaired patient and procedure
A) use touch to explain the patient the
equipment and procedure
B) ask caregiver to stabilize the image
receptor
C) set the exposure time to decrease
radiation
D) set the exposure time to increase
radiation
The most commonly used C) bitewing
radiographic exposure for a 3-year-
old patient is a
A)periapical
B) cephalometric
C) bitewing
D) panoramic
, What affects the speed of the B) kVp
electrons emitted from the tubehead?
A) impulses
B) kVp
C) mA
D) filtration
Dental healthcare personnel can BEST C) drywall barrier
shield themselves from radiation
during patient exposure by standing
behind
A) patients chair
B) a glass window
C) drywall barrier
D) the tubehead
The Buccal Object Rule is used to D) lingual to buccal
determine if a foreign body is located
in which direction?
A) occlusal to apical
B) buccal to distal
C) subgingival to supragingival
D) lingual to buccal
The total destruction of D) sterilizing
microorganisms and spores on
reusable instruments is accomplished
by
A) disinfectant
B) spraying with germicide
C) ultrasonic immersion
D) sterilizing
What helps decrease the exposure of A) paralleling technique
the thyroid gland from the primary
radiation beam?
A) paralleling technique
B) decreasing x-ray focal spot
C) use of round collimator
D) bisecting technique
