REVIEWS WITH CORRECT ANSWER
When taking a panoramic obese patient, as compared
radiograph of an to a slim patient, exposure (kVp or mA) should
- CORRECT ANSWER-be increased
The major disadvantage of the bisecting angle technique is that
- CORRECT ANSWER-place image distortion is more likely
To reduce cross-contamination during radiography, the DCD
and ADA recommend that the operators do all of the following
EXCEPT - CORRECT ANSWER-take complete medical
histories
Ideally, a lead apron would be used - CORRECT ANSWER-for
any dental radiographs
A full mouth radiographic series has just been processed
manually. The operator notes that the films on the bottom of the
rack are of a different density. What could have caused this? -
CORRECT ANSWER-solutions were not stirred before
processing
, A film that has been exposed to scattered radiation will appear -
CORRECT ANSWER-fogged
X-ray exposure time should be increased if the patient is -
CORRECT ANSWER-a large adult
Before exposing a panoramic radiograph on a patient, the
operator should request the removal of all of the following
EXCEPT - CORRECT ANSWER-A watch
A parent refuses to have radiographs taken on his/her child.
The dental assistant should - CORRECT ANSWER-inform the
dentist and document parent's refusal
Incorrect horizontal angulation of the primary beam produces -
CORRECT ANSWER-overlapping of proximal surfaces
Where is the radiographic landmark 'incisive foramen' usually
located - CORRECT ANSWER-maxillary anterior
Cephalometric radiographs are PRIMARILY indicated to
evaluate - CORRECT ANSWER-jaw relationships
When taking a panoramic radiograph, the patient's head should
be oriented - CORRECT ANSWER-With the midsagittal plane
perpendicular to the floor
Which of the following is MOST likely to nocontribute to the
fogging of x-ray film? - CORRECT ANSWER-light leaks in the
darkroom
Which of the following conditions will result in a radiographic
image that is too light? - CORRECT ANSWER-weak
developing solution