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Radiation Health and Safety EXAM Questions with Latest Update
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  • Course
  • Radiation safety
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  • Radiation Safety

When taking a panoramic radiograph of an obese patient, as compared to a slim patient, exposure (kVp or mA) should - Answer-to be increased The major disadvantage of the bisecting angle technique is that - Answer-Image distortion is more likely The reduce cross - contamination during radiogra...

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  • October 10, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • radiation health and safety exam questions with la
  • when taking a panoramic radiograph of an obese pat

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  • Radiation safety
  • Radiation safety

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Radiation Health and Safety EXAM
Questions with Latest Update
When taking a panoramic radiograph of an obese patient, as compared to a slim
patient, exposure (kVp or mA) should - Answer-to be increased

The major disadvantage of the bisecting angle technique is that - Answer-Image
distortion is more likely

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

Ideally, a lead apron would be used - Answer-For any dental radiographs

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

A film that has been exposed to scattered radiation will appear - Answer-Fogged

X-ray exposure time should be increased if the patient is - Answer-A large adult

Before exposing a panoramic radiograph on a patient, the operator should request the
removal of all of the following EXCEPT: - Answer-Watch

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

Incorrect horizontal angulation of the primary beam produces - Answer-Overlapping of
proximal surfaces

Where is the radiographic landmark incisive foramen usually located - Answer-Maxillary
anterior

Cephalometric radiographs are primarily indicated to evaluate - Answer-Jaw
relationships

When taking a panoramic radiograph, the patient's head should be oriented - Answer-
with the midsagittal plane perpendicular to the floor

Which of the following is MOST likely to contribute to the fogging of x - ray film -
Answer-light leaks in the dark room

, Which of the following conditions will result in a radiographic image that is too light? -
Answer-Weak developing solution

The purpose of using film - holding devices when taking intraoral radiographs is to -
Answer-Assist in correct film placement

A film with thin density and a herringbone pattern across it is the result of: - Answer-Film
packet reversal

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

Using a faster speed film requires - Answer-shorter exposure time

The life expectancy of radiographic processing solution depends upon all of the
following EXCEPT - Answer-temperature of the solution

Insufficient washing of processed radiographic film will result in a - Answer-Brownish -
yellow stain on the radiograph

A radiograph turns brown over time. The MOST likely cause is - Answer-Under washing

When processing a radiograph, the darkroom overhead light was off, the safety light
was on, and the door was slightly open. What effect will exposure to minor amounts of
room light have on the processed radiograph? It will appear - Answer-Black

Density of a radiograph is controlled by all of the following EXCEPT - Answer-OFD
[[object film distance]]

Which method is considered MOST effective for handling and processing radiographs to
prevent microbial contamination? - Answer-cover with barrier envelopes

A person exposing x-rays can BEST be protected from scattered radiation by - Answer-
standing behind a lead barrier

Radiographs mounted with the raised portions of the dots toward the observer (labial
mounting) are examined as though the observer is - Answer-Outside the mouth looking
in

A film accidentally exposed to white light between developing and fixing will appear -
Answer-dark

Stirring the developing and fixing solutions before manually processing films will -
Answer-Provide uniform concentrations

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