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Oral Radiography Quiz

Terms in this set (22)

The _______ allows for positioning of the tubehead
Extension arm
A _______ eliminates the need for the patient to stabilize the film
Film holder
The X-ray was discovered by:
Wilheim Roentgen
Radiation is defined as:
A beam of energy carried by waves or streams of particles
An atom that gains an electron will have a _______ charge
Negative
An atom that loses an electron will have a _______ charge
Positive
What is radioactivity?
The process by which certain unstable atoms or elements undergo spontaneous disintegration, or decay, in an effort to attain a more balanced nuclear state
What does the lead collimator do?
Restricts the size of the X-ray beam
Which form of X-ray beam is most detrimental to the patient and operator?
Scatter radiation
The kVp represents:
The maximum peak or voltage of an altering current
The quantity of the X-rays produced is controlled by:
Milliamperage
What is the purpose of aluminum filters?
Reduce the intensity of the X-ray beam
T or F: more radiation damage takes place with high dose rates
True
T or F: a rapid delivery of radiation does not allow time for cellular damage to be repaired
True
_______ is an example of a patient protection technique used before X-ray exposure
Proper prescribing of radiographs
Radiation monitoring can be used to protect the dental radiographer and includes monitoring of:
Both equipment and personnel
The ALARA concept states that all radiation must be kept:
As low as reasonably achieveable
Panoramic, interproximal, periapical, occlusal: which is an extraoral technique?
Panoramic
Which methods are used for obtaining periapical radiographs?
Paralleling and bisecting
Which technique examines the crowns of both maxillary and mandibular teeth on a single film?
Interproximal examination
CMRS stands for:
Complete mouth radiographic series
A total of ___ to ___ films may be included in the CMRS
14; 20
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