Modern Dental Assisting Chapter 39 UPDATED
ACTUAL Questions and CORRECT Answers
What are the advantages of digital radiology - CORRECT ANSWER 1. Immediate Viewing of Images
2. Less Radiation
3. No chemicals
4. Ability to Enhance Images
5. Communication with Other Dentist
6. No More Lost Films
7. Remote Consultation Capability
What are the disadvantages of digital radiology - CORRECT ANSWER 1. Cost
2. Converting Previous Records to Digital
3. Learning Computer software
4. Thickness and Rigidity of Sensors
5. Infection control
What are the types of digital Images - CORRECT ANSWER - Direct Imaging
- Indirect Imaging
Developer cutoff appears as a - CORRECT ANSWER Straight white border on the film
An exhausted developer produces a Radiograph with - CORRECT ANSWER Reduced density and reduced
contrast
Exhausted fixer produces a radiograph - CORRECT ANSWER That will turn a yellow-brown color because
exhausted fixer does not stop the chemical reaction
Reticulation means the film appears - CORRECT ANSWER Cracked
Developer solution should be changed ______________ fixer solution - CORRECT ANSWER at the same time as
The major advantage of automatic processing is less processing time is required. - CORRECT ANSWER Less
processing time is required
A two-film packet requires _________________exposure time as a one film packet - CORRECT ANSWER the
same
The identification dot is used to: - CORRECT ANSWER Determine film orientation
The lead foil is positioned: - CORRECT ANSWER - Behind the film
- Behind the paper film wrapper
Which size bite-wing film is used to examine posterior teeth in very small children - CORRECT ANSWER 0 (zero)
A fast film responds more quickly than a slow film because - CORRECT ANSWER The silver halide crystals in
the emulsion are larger
Which type of intraoral film is best for examinations of large areas of the maxilla or mandible - CORRECT
ANSWER Occlusal
The tube side of the dental film packet: - CORRECT ANSWER Is solid white
Which type of intraoral film is used to examine the crowns of both the maxillary and the mandibular teeth on one film -
CORRECT ANSWER Bitewing film
The apex of the the tooth roots may be seen on which type(s) of intraoral film - CORRECT ANSWER Periapical
and occlusal
ACTUAL Questions and CORRECT Answers
What are the advantages of digital radiology - CORRECT ANSWER 1. Immediate Viewing of Images
2. Less Radiation
3. No chemicals
4. Ability to Enhance Images
5. Communication with Other Dentist
6. No More Lost Films
7. Remote Consultation Capability
What are the disadvantages of digital radiology - CORRECT ANSWER 1. Cost
2. Converting Previous Records to Digital
3. Learning Computer software
4. Thickness and Rigidity of Sensors
5. Infection control
What are the types of digital Images - CORRECT ANSWER - Direct Imaging
- Indirect Imaging
Developer cutoff appears as a - CORRECT ANSWER Straight white border on the film
An exhausted developer produces a Radiograph with - CORRECT ANSWER Reduced density and reduced
contrast
Exhausted fixer produces a radiograph - CORRECT ANSWER That will turn a yellow-brown color because
exhausted fixer does not stop the chemical reaction
Reticulation means the film appears - CORRECT ANSWER Cracked
Developer solution should be changed ______________ fixer solution - CORRECT ANSWER at the same time as
The major advantage of automatic processing is less processing time is required. - CORRECT ANSWER Less
processing time is required
A two-film packet requires _________________exposure time as a one film packet - CORRECT ANSWER the
same
The identification dot is used to: - CORRECT ANSWER Determine film orientation
The lead foil is positioned: - CORRECT ANSWER - Behind the film
- Behind the paper film wrapper
Which size bite-wing film is used to examine posterior teeth in very small children - CORRECT ANSWER 0 (zero)
A fast film responds more quickly than a slow film because - CORRECT ANSWER The silver halide crystals in
the emulsion are larger
Which type of intraoral film is best for examinations of large areas of the maxilla or mandible - CORRECT
ANSWER Occlusal
The tube side of the dental film packet: - CORRECT ANSWER Is solid white
Which type of intraoral film is used to examine the crowns of both the maxillary and the mandibular teeth on one film -
CORRECT ANSWER Bitewing film
The apex of the the tooth roots may be seen on which type(s) of intraoral film - CORRECT ANSWER Periapical
and occlusal
