Study Guide Week 2 Flashcards
(52 cards)
What is the minimum distance the safe light needs to be when processing x-rays?
a. 10 centimeters
b. 3.4 mm
c. 4 feet
d. 5 feet
c. 4 feet
Which film processing solution has a pH level above 7 and chemically reduces the exposed area of the emulsions making it visible to the naked eye?
a. water
b. developer
c. x-radiation
d. fixer
b. developer
________ are flat, hard containers used to hold the film during exposure.
cassettes
A _________ is a lighted box that has white frosted surface so that x-rays can be viewed easily for diagnostic purposes.
view box
_________ radiographs are used to assess the patient’s skeletal structure and profile. The patient’s bony structure and soft tissues are recorded.
Cephalometric
A number of radiographs that collectively display all the teeth and surrounding structures are called a _____________.
full mouth survey
The need for radiographs to be ___________ is increasing because more patients request radiographs be sent to specialists, patients are moving to new area and there is an increase in malpractice suits.
duplicated
The 14 or 16 window mounts are used most commonly for ________ mounts.
periapical
__________ is when a film has been exposed to high temperature. The film emulsion swells, then shrinks and has tiny cracks.
Reticulation
Normally, when facing the processing tank, the developer solution is on the _____ side of the processing tank.
left
With ____________________, a series of rollers move the x-ray film through the developing compartment, and then deposits it into a tray.
automatic processing
The x-ray machines must be checked for _______ and should not be used until problem is addressed.
leakage
________________ involves following policies and procedures that will reduce the chance of a malpractice lawsuit against the dentist.
Risk management
One structure lying over another is called ___________.
superimposition
___________ are used first thing in the morning and the afternoon to stir the developer and fixer.
Stirring rods
The _________ mounting is where the depressed dot is away from the operator and the patient’s left side is on the operator’s
lingual
In order for the dental assistant to maintain infection control during the radiography procedure, any areas that were not covered with a barrier must be ____________.
disinfected
__________ radiographs are used to detect caries, bone level, and calculus. These radiographs may also examine the crestal area of the alveolar bone.
Bitewing
In the _________ technique, the central ray is directed at the imaginary line that divides the angle created by the length of the tooth and the film packet.
bisecting
__________ radiographs are used by the dentist to identify large area of the skull on one radiograph.
Extraoral
List the tissue or organ (from least sensitive to greatest sensitivity to radiation).
a. Kidney
b. Connective tissue
c. Liver
d. bone marrow
e. intestinal tract
- Kidney (least sensitive)
- Liver
- Connective tissue
- intestinal tract
- Bone marrow (greatest sensitivity)
HOW it might show up on test:
1. Kidney
5. bone marrow (greatest sensitivity)
4. intestinal tract
3. Connective tissue
2. Liver
When manually processing x-rays in the dark room, what are the sequence of solutions?
Put these in correct order: dry, wash, rinse, development, fix, rinse
- development
- rinse
- fix
- rinse
- wash
- dry
What is the name of the intraoral radiograph that shows the entire tooth and surrounding area?
periapical (PAs)
What type of intra radiograph shows the crowns, interproximal spaces, and the crest area of the alveolar bone of the maxillary and mandibular teeth in occlusion?
bitewing
