.
Immediately exhibited
Insignificant
Usually acute
Cumulative
Painful
0.20 mm
0.22 mm
0.25 mm
0.30 mm
0.35 mm
You are using a lead apron and lead thyroid shield.
You are using the long cone paralleling technique.
You take radiographs only when a need is indicated by clinical examination, not nased on an arbitrary time schedule.
Both a and b
All of the above
Increase density and short waves
Reduce density
Reduce exposure time
Correct the size of the beam
Reduce patient radiation dose and remove the long waves
The same energy and wavelengths.
Many different wavelengths
Only a few energies capable of penetrating dense tissue
Many different speeds
None of the above
1.5 inches
2.75 inches
3.75 inches
2.75 cm
Both b and d
As low as reasonably achievable
As little as radiation is allowable
As low as radiation is around
As long as reasonably allowable
None of the above
Film badge
Pocket dosimeter
Film ring
Both a and c
A, b, and c
Reproduction
Cumulative
Mutation
Absorption
Energize
Filtration
Collimation
Elongation
Ionization
Absorption
Molecules break into smaller pieces.
New bonds form within molecules.
Molecular bonds are disrupted.
New bonds form between new molecules.
All of the above
0 degrees
+10 degrees
-10 degrees
+30 degrees
+5 degrees
Parallel to the film
Perpendicular to the line bisecting the angel made by the film and the side of the tounge
Parallel to the long axis of the tooth
Perpendicular to the line bisecting the angle made by the long axis of the tooth and the film
Both b and d
Always has periapical and bitewings
Has a minimum of 20 films
Can be replaced by a panoramic film
Varies in need and number of films according to selection criteria and mouth size
Both a and d
Sterilization
Disinfection
Anitspetic agents
Both a and b
All of the above
Behind the head of the X-ray unit
Behind a lead barrier
At a 45 degree angle to the opposite side of the patient's head
Both b and c
All of the above
Disinfects it
Destroys the image
Takes too long
Makes the images clearer
None of the above
The PID need not be covered with a barrier if gloves are worn
A film dispenser should be used
Unexpected film should be kept on the counter in the room
The exposure button should be covered with a plastic barrier
None of the above
Tungsten target
Tungsten filament
Step-down transformer
PID
Both a and b
Bitewing film
Panoramic film
Periapical film
Occlusal film
Extraoral film
All of the mandibular cuspid
The distal half of the mandibular cuspid
The distal half of the maxillary cuspid
The mesial half of the maxillary first premolar
The distal half of the mandibular first molar
Check for unerupted teeth
Register the appearance of supporting structures such as bone and soft tissue
Show a crown preparation, placement, and residual excess cement.
Check the length of the canal for endodontic procedures.
Check for interproximal decay and crestal bone levels.
Incisors and cuspids
Maxillary bicuspids
Mandibular bicuspids if the floor of the mouth is too shallow
Mandibular bicupids
Both a and c
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