DANB Radiation Health and Safety Practice Test
100% Pass Guaranteed All Round Questions and
Correct Answers
a bitewing radiograph is useful in diagnosing all of the following EXCEPT:
a. impacted tooth
b. tooth decay
c. periodontal disease
d. gum disease - CORRECT ANSWER ✔✔ -a. impacted tooth
a cone-shaped radiopaque image on a panoramic x-ray is likely caused by:
a. use of thyroid collar during imaging
b. earrings
c. orthodontic retainer
d. tongue piercing - CORRECT ANSWER ✔✔ -a. use of thyroid collar during imaging
a dental assistant experiences an occupational exposure. a patient's blood has splashed into the
employee's eye. which of the following is an appropriate step to take?
,a. immediately draw blood from the patient in order to get it tested for HIV and HBV
b. require the employee to have their own blood tested immediately for HIV and HBV
c. document the incident, including the source individual, the employee, route of exposure, and
how it happened
d. check the patients chart and determine if risk factors are present to warrant further testing for
the employee - CORRECT ANSWER ✔✔ -c. document the incident, including the source
individual, the employee, route of exposure, and how it happened
a dental x-ray that has the appearance of black lines that look like a tree branch is caused by:
a. overlapped films
b. static electricity
c. overexposure
d. air bubbles - CORRECT ANSWER ✔✔ -b. static electricity
a full-mouth survey generally includes:
a. 14 periapical views and 4-6 bitewings
b. 10 periapical views and 8 bitewings
c. 14 periapical views and 4-6 bitewings and a panoramic
, d. 8 periapical views and 4 bitewings - CORRECT ANSWER ✔✔ -a. 14 periapical views and 4-
6 bitewings
a new patient has recently moved to the area and arrives for her first appointment in the dental
practice. she is 6 months pregnant. she is complaining of a toothache. she does not being dental
records with her. which of the following would be the most appropriate for obtaining dental x-
rays?
a. obtain a full mouth survey as well as panoramic in order to establish a baseline
b. only x-ray the area she is complaining about using the lead apron and thyroid collar for
protection
c. hold off on any x-rays because of the pregnancy
d. obtain a full set of bitewing x-rays to check for other areas of concern using the lead apron and
thyroid collar for protection - CORRECT ANSWER ✔✔ -b. only x-ray the area she is
complaining about using the lead apron and thyroid collar for protection
a patient is moving and asks for the most recent x-rays for the new dentist. which of the
following is NOT the preferred procedure for fulfilling this request?
a. obtain the original x-rays from the patients record and give them to the patient to take to the
new dentist
b. prepare a copy of the films and allow the patient to take these to the dentist
100% Pass Guaranteed All Round Questions and
Correct Answers
a bitewing radiograph is useful in diagnosing all of the following EXCEPT:
a. impacted tooth
b. tooth decay
c. periodontal disease
d. gum disease - CORRECT ANSWER ✔✔ -a. impacted tooth
a cone-shaped radiopaque image on a panoramic x-ray is likely caused by:
a. use of thyroid collar during imaging
b. earrings
c. orthodontic retainer
d. tongue piercing - CORRECT ANSWER ✔✔ -a. use of thyroid collar during imaging
a dental assistant experiences an occupational exposure. a patient's blood has splashed into the
employee's eye. which of the following is an appropriate step to take?
,a. immediately draw blood from the patient in order to get it tested for HIV and HBV
b. require the employee to have their own blood tested immediately for HIV and HBV
c. document the incident, including the source individual, the employee, route of exposure, and
how it happened
d. check the patients chart and determine if risk factors are present to warrant further testing for
the employee - CORRECT ANSWER ✔✔ -c. document the incident, including the source
individual, the employee, route of exposure, and how it happened
a dental x-ray that has the appearance of black lines that look like a tree branch is caused by:
a. overlapped films
b. static electricity
c. overexposure
d. air bubbles - CORRECT ANSWER ✔✔ -b. static electricity
a full-mouth survey generally includes:
a. 14 periapical views and 4-6 bitewings
b. 10 periapical views and 8 bitewings
c. 14 periapical views and 4-6 bitewings and a panoramic
, d. 8 periapical views and 4 bitewings - CORRECT ANSWER ✔✔ -a. 14 periapical views and 4-
6 bitewings
a new patient has recently moved to the area and arrives for her first appointment in the dental
practice. she is 6 months pregnant. she is complaining of a toothache. she does not being dental
records with her. which of the following would be the most appropriate for obtaining dental x-
rays?
a. obtain a full mouth survey as well as panoramic in order to establish a baseline
b. only x-ray the area she is complaining about using the lead apron and thyroid collar for
protection
c. hold off on any x-rays because of the pregnancy
d. obtain a full set of bitewing x-rays to check for other areas of concern using the lead apron and
thyroid collar for protection - CORRECT ANSWER ✔✔ -b. only x-ray the area she is
complaining about using the lead apron and thyroid collar for protection
a patient is moving and asks for the most recent x-rays for the new dentist. which of the
following is NOT the preferred procedure for fulfilling this request?
a. obtain the original x-rays from the patients record and give them to the patient to take to the
new dentist
b. prepare a copy of the films and allow the patient to take these to the dentist
