RHS EXAM, PRACTICE EXAM AND STUDY GUIDE LATEST 2024 ACTUAL EXAM 400 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+
RHS EXAM, PRACTICE EXAM AND STUDY
GUIDE LATEST 2024 ACTUAL EXAM 400
QUESTIONS AND CORRECT DETAILED
ANSWERS WITH RATIONALES (VERIFIED
ANSWERS) |ALREADY GRADED A+
When changing the 8-inch PID to a 16-inch PID, which of the
following is used to determine the intensity of the beam? -
ANSWER- Inverse square law
The optimum developing solution temperature for manual
processing is - ANSWER- 68 degrees F
Which of the following would cause elongation on a
radiograph? - ANSWER- Insufficient vertical angulation
Which of the following helps to decrease exposure of the thyroid
gland from the primary radiation beam? - ANSWER- Paralleling
technique
Using the ALARA concept as a guideline for radiographs
includes all of the following EXCEPT - ANSWER- Using a
circular PID
Which of the following best describes the action of the
developer solution? - ANSWER- Converts exposed silver halide
crystals
In dental radiography, the purpose of the fixer solution is to -
ANSWER- Remove unexposed silver halide crystals
What is the primary advantage in using digital radiography? -
ANSWER- Reduces the radiation to patient
On a radiograph, the anterior alveolar crest normally appears -
ANSWER- Pointed and sharp
Film should be stored in - ANSWER- Its original lead-wrapped
packaging
Which of the following is most likely to cause a stored
radiograph to turn brown over time? - ANSWER- Underwashing
Which of the following affects the speed of the electrons emitted
from the tubehead? - ANSWER- kVps
Radiation injury results from - ANSWER- Exposure
Dental healthcare personnel who are pregnant can expose
radiographs during the - ANSWER- Entire pregnancy
The diameter of the cone-shaped beam produced from a circular
collimator is - ANSWER- 2.75 inches
The penetrating x-ray beam produced during dental radiography
is called - ANSWER- Primary radiation
Developing solution temperatures should be checked frequently
when using - ANSWER- Manual processing
Which of the following landmarks would be seen in maxillary
anterior periapical - ANSWER- Incisive foramen
If there are no teeth to serve as guides, which of the following
landmarks indicates a maxillary molar area radiograph? -
ANSWER- Tuberosity
Human tissues are mainly composed of - ANSWERWater/H2O
The most important step the dentist can take in protecting
patients form x-radiation is to - ANSWER- Properly prescribe
radiographs
While exposing x-ray films, radiation deflecting off the patient's
head is called - ANSWER- Scatter radiation
Which of the following landmarks is useful when mounting
films in the maxillary central area? - ANSWER- Anterior nasal
spine
Which of the following can be observed on a panoramic
radiograph when the patient's chin is tipped downward? -
ANSWER- Exaggerated smile
When the tubehead drifts, the first step the dental assistant
should take is to - ANSWER- Stop using the machine
During the processing of x-ray film, the removal of the halide
portion of the exposed silver crystals is called - ANSWERReduction
The occlusal plane will appear diagonal in the radiograph when
there is a/an - ANSWER- Incorrect film placement
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