Radiation Health and Safety EXAM
Questions and Answers 100% Pass
When taking a panoramic radiograph of an obese patient, as compared to a slim patient,
exposure (kVp or mA) should - ANSWER-to be increased
Question: The major disadvantage of the bisecting angle technique is that - ANSWER-Image
distortion is more likely
Question: The reduce cross - contamination during radiography, the CDC and ADA
recommended that the operators do all of the following EXCEPT - ANSWER-Take complete
medical histories
Question: Ideally, a lead apron would be used - ANSWER-For any dental radiographs
Question: A full mouth radiographic series has just been processed manually. The operator notes
that the films on the button of the rack are of different density. What could have caused this? -
ANSWER-Solutions were not stirred before processing
Question: X-ray exposure time should be increased if the patient is - ANSWER-A large adult
, Question: Before exposing a panoramic radiograph on a patient, the operator should request the
removal of all of the following EXCEPT: - ANSWER-Watch
Question: A parent refuses for i have radiographs taken on his/her child. The dental assistant
should - ANSWER-Inform the dentist and document Parent's refusal
Question: Incorrect horizontal angulation of the primary beam produces - ANSWER-
Overlapping of proximal surfaces
Question: Where is the radiographic landmark incisive foramen usually located - ANSWER-
Maxillary anterior
Question: Cephalometric radiographs are primarily indicated to evaluate - ANSWER-Jaw
relationships
Question: When taking a panoramic radiograph, the patient's head should be oriented -
ANSWER-with the midsagittal plane perpendicular to the floor
Question: A full mouth radiographic survey has just been processed manually. The top films on
the processing rack have a straight, clear border on the upper edge. This error is caused by -
ANSWER-Too low a level of developer solution
Questions and Answers 100% Pass
When taking a panoramic radiograph of an obese patient, as compared to a slim patient,
exposure (kVp or mA) should - ANSWER-to be increased
Question: The major disadvantage of the bisecting angle technique is that - ANSWER-Image
distortion is more likely
Question: The reduce cross - contamination during radiography, the CDC and ADA
recommended that the operators do all of the following EXCEPT - ANSWER-Take complete
medical histories
Question: Ideally, a lead apron would be used - ANSWER-For any dental radiographs
Question: A full mouth radiographic series has just been processed manually. The operator notes
that the films on the button of the rack are of different density. What could have caused this? -
ANSWER-Solutions were not stirred before processing
Question: X-ray exposure time should be increased if the patient is - ANSWER-A large adult
, Question: Before exposing a panoramic radiograph on a patient, the operator should request the
removal of all of the following EXCEPT: - ANSWER-Watch
Question: A parent refuses for i have radiographs taken on his/her child. The dental assistant
should - ANSWER-Inform the dentist and document Parent's refusal
Question: Incorrect horizontal angulation of the primary beam produces - ANSWER-
Overlapping of proximal surfaces
Question: Where is the radiographic landmark incisive foramen usually located - ANSWER-
Maxillary anterior
Question: Cephalometric radiographs are primarily indicated to evaluate - ANSWER-Jaw
relationships
Question: When taking a panoramic radiograph, the patient's head should be oriented -
ANSWER-with the midsagittal plane perpendicular to the floor
Question: A full mouth radiographic survey has just been processed manually. The top films on
the processing rack have a straight, clear border on the upper edge. This error is caused by -
ANSWER-Too low a level of developer solution
