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Ohio Dental Radiographer Certificate Exam questions with correct answers.
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Ohio Dental Radiographer Certificate Exam questions with correct answers.
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Ohio Dental Radiographer Certificate Exam questionswith correct answers
Which of the following materials is Most resistant to the penetration of
ionizing radiation: Correct Answer-lead
Which factors influence the potential danger of ionizing radiation?
Correct Answer-- quantity of exposure (amount of radiation/mA/kVp)
- duration of exposure (exposure time)
- type of tissue exposed (body type)
Which of the following factors MOST affects the penetrating power of
an x-ray? Correct Answer-kilovoltage (kVp)
If all known radiation safety precautions are exercised, an operator who
is pregnant can safely expose radiographs during the operator's Correct
Answer-entire pregnancy
In dental radiography, it is necessary to have a filter to Correct Answer-
eliminate the less penetrating x-rays from the primary beam
If a dental auxiliary's radiation badge report indicates exposure to small
amounts of radiation, what should be done first? Correct Answer-
evaluate the x-ray equipment and the auxiliary's technique
What is the major advantage in using the highest speed film and higher
kilovoltage (kVp)? Correct Answer-reduces radiation to patient
, X-radiation was discovered by: Correct Answer-wilhem roentgen
The inner core of an atom is termed the: Correct Answer-nucleus
What type radiation is given off when the primary beam comes into
contact with the bones of the skull and the teeth, or any other material in
the mouth and bounces off in many directions? Correct Answer-scatter
The maximum permissible whole body exposure (MPD) per year for
those people who are occupationally exposed to radiation is: Correct
Answer-5 rads
Dental personnel should strive for an occupational dose of: Correct
Answer-zero
Exposure to radiation occurring all at one time such as in a nuclear
exposure is classified as: Correct Answer-acute exposure
To prevent radiation exposure to the reproductive cells, the lead apron
must be placed on: Correct Answer-all patients
Dental x-ray exposure can be monitored by wearing: Correct Answer-
film badges or dosimetry badges or rings
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