RHS exam Questions and answers. 100% Accurate. Graded A+
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Course
RHS
Institution
RHS
RHS exam Questions and answers. 100% Accurate. Graded A+
the American dental association recommends that radiographs be mounted with the embossed dots
all facing the same direction
Radiolucent
the dark or black portions of the image; result from the passage of energies through less dense ar...
RHS exam Questions and answers.
100% Accurate. Graded A+
the American dental association recommends that radiographs be mounted with the embossed dots
all facing the same direction
Radiolucent
the dark or black portions of the image; result from the passage of energies through less dense areas
(pulp, caries, foramen)
Bisecting angle technique
Film is placed close to teeth, central ray is aimed at imaginary line between teeth & film
to view an abscess on tooth #25 the best radiographic expose is
a periapical
which radiograph technique is recommended for a patient with a shallow palate?
bisecting angle technique
Radiopaque
Light or white areas on a radiograph
an FMX on an edentulous patient will consists of
8 posterior & 6 anterior periapicals
what results in a double image radiograph?
exposing the same film twice?
Maxilla
two bones that formed the upper jaw and part of the palate
Aveolar Process
Hold teeth in maxillary bone & mandible
when preparing a patient for radiographs prior to putting on gloves the assistant should..
please the lead apron
which radiograph technique is recommended for a patient with a shallow palate?
bisceting angle
,what sequence describes radiation energy to tissue?
latent period, period of injury, period of recovery
Environmental Protection Agency (EPA)
organization that regulates disinfectants amd chemical sterilants
Mandible
lower jaw bone
ramus
vertical portion of the mandible
most effective method for reducing patient exposure?
fast film
before exposing radiographs on a minor, the assistant should
obtain consent from parent or guardian
condyle of mandible
A ball like structure that forms the hinge between the maxilla and the mandible and is a part of the
temporomandibular joint
what quality control tests evaluates safelighting in the darkroom?
coin test
the purpose if the fixer solution is to
remove unexposed silver halide crystals
optimum temperature for developer solution for manual processing?
68⁰F
I'd a DA dosimeter badge report indicates exposure, what should be done first?
evaluate the xray equipment & techniques
midsagittal plane
midline; divides the body into equal right and left sides
what causes blurred images?
patient movement during exposure
orbit
eye cavity
, human tissue are mainly composed of
Water (H2O)
patients should wear thyroid collar
during intramural radiographs
Frankfort plane
the imaginary horizontal plane from the bottom of the eye socket to the top of the ear canal
where should bitetabs of film be positioned?
white unprinted side if the packet
radiation injury results from
exposure
a panoramic radiograph with a dark shadow over the apices of the maxillary teeth may be caused by
the patient not placing the tongue against the palate
Inverted Y
Radiographic landmark made up of the lateral wall of the nasal fossa and the anterior-medial wall of the
maxillary sinus often observed near the canine-premolar region.
the amount if radiation exposure needed to produce a diagnostic image is best determined by
film speed
maxillary sinus
large air filled cavities above the maxillary pre-molar and molar teeth
used to measure occupational exposure
film badge
for xray machines operating at or below 70 kVp, the total aluminum equivalent filtration must be
1.5mm
nutrient canals
Radiolucent lines in bone; contains blood vessels and exhibit radiopaque borders
what size film is used when exposing a posterior periapical on an adult with no intramural restrictions
2
what should be labeled on the radiographic mount prior to film duplication?
right and left sides
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