DANB RHS - RAdiation Safety question WITH 100% Correct Answers

DANB RHS - RAdiation Safety question
WITH 100% Correct Answers

When exposing radiographs, what is the minimum distance the operator should stand from the

tube head? - ANSWER-6 feet




Question: Who is most susceptible to radiation damage? - ANSWER-infants




Question: The most important step the dentist can take in protecting patients from x-radiation is

to: - ANSWER-properly prescribe radiographs.




Question: What step should be taken immediately if the tubehead drifts? - ANSWER-stop using

the machine




Question: During patient exposure, protection from radiation for the operator includes: -

ANSWER-standing behing a wall




Question: Which organ is the most sensitive to radiographic exposure? - ANSWER-Thyroid

gland

, Question: Which landmark is useful when mounting images of the mandibular posterior area? -

ANSWER-Mental foramen




Question: Long-term effects of exposure to radiation may be associated with: - ANSWER-birth

abnormalities.




Question: The most important responsibility of the dental radiography operator is: - ANSWER-

implementing ALARA principle




Question: Which landmark is useful when mounting images in the maxillary central area? -

ANSWER-Anterior nasal spine




Question: Which sequence best describes radiation injury to tissue? - ANSWER-Latent period,

period of injury, period of recovery.




Question: For x-ray machines operating in ranges at or below 70 kVp, the total aluminum

equivalent filtration must be at least: - ANSWER-1.5 mm




Question: Added filtration in the x-ray tubehead protects the: - ANSWER-patient




Question: The most common artificial radiation exposure comes from: - ANSWER-medical

radiation