Radiation Health And Safety Exam - Questions With
Detailed Solutions
A thermometer should be suspended in which solution during conventional
dental image processing?
A. Developer
B. Fixer
C. Rinse
D. Water Bath Correct Answer - A.
The ideal temperature for the developer solution when manually processing
dental images should be:
A. 62
B. 64
C. 66
D. 68 Correct Answer - D.
The warmer the developer solution:
A. the better the quality of the image receptor will be.
B. the slower the visible image will occur.
C. the faster the image receptor will develop.
D. the longer the image receptor will need to remain in the fixer Correct
Answer - C.
Which of the following is a correct characteristic of the developing solution?
A. The developer removes any non-energized silver bromide crystals from the
image receptor.
B. The developer solution reduces the silver bromide crystals to black metallic
silver.
C. The developer solution causes the radiopaque areas on the image receptor
to appear.
D. The developer solution hardens the protective layer of the image receptor
covering the emulsion. Correct Answer - B.
,When processing conventional dental images, when is the dental auxiliary
able to first view the image on the image receptor under white light without
causing distortion?
A. After the developer solution.
B. After the initial rinse.
C. After the image receptor has been washed and dried.
D. After a few minutes in the fixer solution. Correct Answer - D.
How should the dental auxiliary compensate if the developer solution is 10
degrees too warm when processing image receptors?
A. Increase the fixing time.
B. Increase the developing time.
C. Decrease the fixing time.
D. Decrease the developing time. Correct Answer - D.
How will image receptors appear if they have been left in the fixer solution
overnight?
A. Clear.
B. Dark.
C. Fogged.
D. Yellow-brown. Correct Answer - A.
A straight radiopaque border on the upper edge of an image receptor is the
result of:
A. fixer solution cutoff.
B. developer solution cutoff.
C. an image receptor not being developed for the proper time.
D. too little water in the water bath. Correct Answer - B.
Which of the following causes reticulation
A. removing the image receptor too quickly from the outer packet.
B. Drastic temperature changes between the developer and the rinse.
C. Allowing the image receptors to touch during the drying cycle.
,D. An imbalance of the chemicals in the developer solution. Correct Answer
- B.
How would a light leak in the darkroom be detected?
A. Annual inspection check by the State Board of Health.
B. By performing a coin-fog test.
C. By conducting a crabtree test.
D. by performing a visual comparison test. Correct Answer - B.
When the dental auxiliary is performing a wet reading, which of the following
steps must be followed in order to avoid causing distortion?
a. the image receptor must be returned to the developer immediately after
viewing the image receptor
b. the image receptor must be returned to the fixer after the dentist has
viewed the image receptor
c. the image receptor must be rinsed immediately following the wet reading
d. the image receptor must be dried prior to the wet reading being performed.
Correct Answer - B.
Which of the following is ran daily through the rollers of an automatic
processing machine to ensure that there is no residue left in the rollers?
A. A traditional unexposed intraoral image receptor.
B. A clearing film.
C. A cleaning film.
D. A step wedge film. Correct Answer - C.
How will fixer spots appear on a processed radiograph?
A. Yellow spots.
B. Dark spots.
C. White spots.
D. Brown spots. Correct Answer - C.
Which of the following is a true statement that will aid the assistant in the
mounting of image receptors in a full mouth series?
, A. The mental foramen will appear in the mandibular molar periapical image
receptor.
B. The coronoid process will appear int he maxillary molar periapical image
receptor.
C. The genial tubercles will appear in the maxillary central periapical image
receptor.
D. The tuberosity will appear in the mandibular molar periapical image
receptors. Correct Answer - B.
Which of the following images should include the retromolar pad area found
in the dentition?
A. Maxillary premolar periapical.
B. Molar bite-wing.
C. Mandibular molar periapical.
D. maxillary molar periapical. Correct Answer - C.
When mounting a full mouth series, which of the following anatomical
structures will be found in the center of maxillary canine periapical?
A. Inverted Y.
B. Hamulus.
C. Zygomatic process.
D. Mental foramen. Correct Answer - A.
Which of the following is a true statement regarding the labial mounting
technique?
A. It is the mounting technique that is least likely to be used in a dentla office
setting.
B. When mounted, the depressed side of the orientation dot is facing the
operator.
C. In this technique, radio-graphs are viewed as if the operator is looking
directly at he patient, with the patient's left being the operator's right and vice
versa.
D. The concave side of the orientation dot is facing the operator. Correct
Answer - C.
Detailed Solutions
A thermometer should be suspended in which solution during conventional
dental image processing?
A. Developer
B. Fixer
C. Rinse
D. Water Bath Correct Answer - A.
The ideal temperature for the developer solution when manually processing
dental images should be:
A. 62
B. 64
C. 66
D. 68 Correct Answer - D.
The warmer the developer solution:
A. the better the quality of the image receptor will be.
B. the slower the visible image will occur.
C. the faster the image receptor will develop.
D. the longer the image receptor will need to remain in the fixer Correct
Answer - C.
Which of the following is a correct characteristic of the developing solution?
A. The developer removes any non-energized silver bromide crystals from the
image receptor.
B. The developer solution reduces the silver bromide crystals to black metallic
silver.
C. The developer solution causes the radiopaque areas on the image receptor
to appear.
D. The developer solution hardens the protective layer of the image receptor
covering the emulsion. Correct Answer - B.
,When processing conventional dental images, when is the dental auxiliary
able to first view the image on the image receptor under white light without
causing distortion?
A. After the developer solution.
B. After the initial rinse.
C. After the image receptor has been washed and dried.
D. After a few minutes in the fixer solution. Correct Answer - D.
How should the dental auxiliary compensate if the developer solution is 10
degrees too warm when processing image receptors?
A. Increase the fixing time.
B. Increase the developing time.
C. Decrease the fixing time.
D. Decrease the developing time. Correct Answer - D.
How will image receptors appear if they have been left in the fixer solution
overnight?
A. Clear.
B. Dark.
C. Fogged.
D. Yellow-brown. Correct Answer - A.
A straight radiopaque border on the upper edge of an image receptor is the
result of:
A. fixer solution cutoff.
B. developer solution cutoff.
C. an image receptor not being developed for the proper time.
D. too little water in the water bath. Correct Answer - B.
Which of the following causes reticulation
A. removing the image receptor too quickly from the outer packet.
B. Drastic temperature changes between the developer and the rinse.
C. Allowing the image receptors to touch during the drying cycle.
,D. An imbalance of the chemicals in the developer solution. Correct Answer
- B.
How would a light leak in the darkroom be detected?
A. Annual inspection check by the State Board of Health.
B. By performing a coin-fog test.
C. By conducting a crabtree test.
D. by performing a visual comparison test. Correct Answer - B.
When the dental auxiliary is performing a wet reading, which of the following
steps must be followed in order to avoid causing distortion?
a. the image receptor must be returned to the developer immediately after
viewing the image receptor
b. the image receptor must be returned to the fixer after the dentist has
viewed the image receptor
c. the image receptor must be rinsed immediately following the wet reading
d. the image receptor must be dried prior to the wet reading being performed.
Correct Answer - B.
Which of the following is ran daily through the rollers of an automatic
processing machine to ensure that there is no residue left in the rollers?
A. A traditional unexposed intraoral image receptor.
B. A clearing film.
C. A cleaning film.
D. A step wedge film. Correct Answer - C.
How will fixer spots appear on a processed radiograph?
A. Yellow spots.
B. Dark spots.
C. White spots.
D. Brown spots. Correct Answer - C.
Which of the following is a true statement that will aid the assistant in the
mounting of image receptors in a full mouth series?
, A. The mental foramen will appear in the mandibular molar periapical image
receptor.
B. The coronoid process will appear int he maxillary molar periapical image
receptor.
C. The genial tubercles will appear in the maxillary central periapical image
receptor.
D. The tuberosity will appear in the mandibular molar periapical image
receptors. Correct Answer - B.
Which of the following images should include the retromolar pad area found
in the dentition?
A. Maxillary premolar periapical.
B. Molar bite-wing.
C. Mandibular molar periapical.
D. maxillary molar periapical. Correct Answer - C.
When mounting a full mouth series, which of the following anatomical
structures will be found in the center of maxillary canine periapical?
A. Inverted Y.
B. Hamulus.
C. Zygomatic process.
D. Mental foramen. Correct Answer - A.
Which of the following is a true statement regarding the labial mounting
technique?
A. It is the mounting technique that is least likely to be used in a dentla office
setting.
B. When mounted, the depressed side of the orientation dot is facing the
operator.
C. In this technique, radio-graphs are viewed as if the operator is looking
directly at he patient, with the patient's left being the operator's right and vice
versa.
D. The concave side of the orientation dot is facing the operator. Correct
Answer - C.
