DANB RHS NEWEST EXAM STUDY GUIDE | WITH
COMPLETE QUESTIONS WITH 100% CORRECT ANSWERS
|GRADED A+// VERIFIED | LATEST UPDATE 2026
The most likely cause of blurring on the radiographic
image is?
Tubehead movement during exposure
Use of an excessively long PID
Use of bisecting technique
Patient movement during exposure
Patient movement during exposure
One characteristic of a mandibular molar is?
Trifurcated roots
Small crowns
Bifurcated roots
Apex or roots tip me
Bifurcated roots
Page 1 of 41
,The ALARA concept relies on the operator techniques
to?
Reduce the processing time
Save the patient money
Diagnose the radiographs
Reduce the x-ray exposure
Reduce the x-ray exposure
Inverted Y formation is best viewed on the ?
Mandibular caninie
Mandibular premolars
Maxillary premolar
Maxillary canine
Maxillary canine
The annual maximum accumulated dose (MAD) of
radiation for dental assistant is
based on which of the following calculations
Age plus 18x3rems/year
Age plus 18x5/rems a year
Age minus 18x3rems/year
Page 2 of 41
,Age minus 18x5rems/year
Age minus 18x5rems/year
Long term-effects of exposure to radiation may be
associated with?
Hair loss
Nausea and vomitting
Hemorrhaging
Birth abnormalities
Hair loss
When changing the 8-inch PID to a 16-inch PID, which of
the following is used to
determined the intensity of the beam?
Onject-image receptor distance
Inverse square law
Slob rule
Rule of isometry
Inverse square law
Page 3 of 41
, Compared to the paralleling technique a disadvantage
of the bisecting angle technique
is?
The exposure time is longer
The image receptor is more difficult to place
Image distortion
Increased radiation absorption
Image distortion
Blurred radiographic images are often caused by?
Failure to remove dental appliances
Patient movement during exposure
Improper positioning of the x-ray tube head
Overlapping bitewing
Patient movement during exposure
A operator can best protect themselves from radiation
exposure by standing behind?
Drywall barrier
Tubehead
Patients chair
Page 4 of 41
COMPLETE QUESTIONS WITH 100% CORRECT ANSWERS
|GRADED A+// VERIFIED | LATEST UPDATE 2026
The most likely cause of blurring on the radiographic
image is?
Tubehead movement during exposure
Use of an excessively long PID
Use of bisecting technique
Patient movement during exposure
Patient movement during exposure
One characteristic of a mandibular molar is?
Trifurcated roots
Small crowns
Bifurcated roots
Apex or roots tip me
Bifurcated roots
Page 1 of 41
,The ALARA concept relies on the operator techniques
to?
Reduce the processing time
Save the patient money
Diagnose the radiographs
Reduce the x-ray exposure
Reduce the x-ray exposure
Inverted Y formation is best viewed on the ?
Mandibular caninie
Mandibular premolars
Maxillary premolar
Maxillary canine
Maxillary canine
The annual maximum accumulated dose (MAD) of
radiation for dental assistant is
based on which of the following calculations
Age plus 18x3rems/year
Age plus 18x5/rems a year
Age minus 18x3rems/year
Page 2 of 41
,Age minus 18x5rems/year
Age minus 18x5rems/year
Long term-effects of exposure to radiation may be
associated with?
Hair loss
Nausea and vomitting
Hemorrhaging
Birth abnormalities
Hair loss
When changing the 8-inch PID to a 16-inch PID, which of
the following is used to
determined the intensity of the beam?
Onject-image receptor distance
Inverse square law
Slob rule
Rule of isometry
Inverse square law
Page 3 of 41
, Compared to the paralleling technique a disadvantage
of the bisecting angle technique
is?
The exposure time is longer
The image receptor is more difficult to place
Image distortion
Increased radiation absorption
Image distortion
Blurred radiographic images are often caused by?
Failure to remove dental appliances
Patient movement during exposure
Improper positioning of the x-ray tube head
Overlapping bitewing
Patient movement during exposure
A operator can best protect themselves from radiation
exposure by standing behind?
Drywall barrier
Tubehead
Patients chair
Page 4 of 41
