CA RADIATION HEALTH AND SAFETY
EXAM QUESTIONS WITH CORRECT
ANSWERS
The film that requires the LEAST amount of radiation - Answer-F speed film
Most effective method to reducing patient exposure to radiation - Answer-fast film or
digital images
The purpose of the collimator - Answer-restricts the size and shape of the beam
The best protection of radiation is - Answer-lead
The aluminum filter will absorb - Answer-low energy
recommended size of of beam at patient's face - Answer-2.75 inches
To avoid secondary exposure, the operator should - Answer-remain at least 6 feet from
the primary beam
A thyroid collar must be worn for all intraoral and extra oral films. T/F - Answer-FALSE
When is it appropriate for a dental auxiliary to take a radiograph? - Answer-with the
dentists authorization
The rectangular PID reduces radiation better than a round PID. T/F? - Answer-TRUE
On which patients at SRJC should a lead apron used? - Answer-Women of bearing
children age
Pregnant women
Children
Men, 50 and over
Ways a cell may suffer from exposure radiation - Answer-Instant death
Reproductive Damage
Chromosome damage
For which is it permissible for the dental auxiliary to hold the film in the patients mouth?
- Answer-none of the above
Who must satisfy the provisions of law pertaining to radiation safety? - Answer-each
person working in a dentist's office who operates dental radiographic equipment
EXAM QUESTIONS WITH CORRECT
ANSWERS
The film that requires the LEAST amount of radiation - Answer-F speed film
Most effective method to reducing patient exposure to radiation - Answer-fast film or
digital images
The purpose of the collimator - Answer-restricts the size and shape of the beam
The best protection of radiation is - Answer-lead
The aluminum filter will absorb - Answer-low energy
recommended size of of beam at patient's face - Answer-2.75 inches
To avoid secondary exposure, the operator should - Answer-remain at least 6 feet from
the primary beam
A thyroid collar must be worn for all intraoral and extra oral films. T/F - Answer-FALSE
When is it appropriate for a dental auxiliary to take a radiograph? - Answer-with the
dentists authorization
The rectangular PID reduces radiation better than a round PID. T/F? - Answer-TRUE
On which patients at SRJC should a lead apron used? - Answer-Women of bearing
children age
Pregnant women
Children
Men, 50 and over
Ways a cell may suffer from exposure radiation - Answer-Instant death
Reproductive Damage
Chromosome damage
For which is it permissible for the dental auxiliary to hold the film in the patients mouth?
- Answer-none of the above
Who must satisfy the provisions of law pertaining to radiation safety? - Answer-each
person working in a dentist's office who operates dental radiographic equipment
