RHS DANB Practice Test Questions and answers, 100% Accurate. VERIFIED.
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RHS DANB
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RHS DANB
RHS DANB Practice Test Questions and answers, 100% Accurate. VERIFIED.
A bitewing radiograph is useful in diagnosing all of the following EXCEPT:
a. impacted tooth
b. tooth decay
c. periodontal bone loss
d. gum disease
a. impacted tooth
The best radiograph to obtain for diagnosis of te...
RHS DANB Practice Test Questions and
answers, 100% Accurate. VERIFIED.
A bitewing radiograph is useful in diagnosing all of the following EXCEPT:
a. impacted tooth
b. tooth decay
c. periodontal bone loss
d. gum disease
a. impacted tooth
The best radiograph to obtain for diagnosis of temporomandibular joint (TMJ) is:
a. panoramic
b. periapical
c. sialohraphy
d. athrography
d. arthrography
Which of the following is a true statement regarding the use of lead aprons and thyroid collars?
a. the use of lead aprons and thyroid collars will prevent cancer from developing in the thyroid gland
b. the apron should cover from the neck to just above the patient's knees
c. lead aprons should be cleaned thoroughly and folded in thirds between patient use
d. the thyroid collar is optional for older adults past childbearing years
b. the apron should cover from the neck to just above the patient's knees
Which of the following is FALSE regarding handwashing?
a. alcohol-based hand gel can be used in place of soap and water on hands that are visibly dirty
b. fingertips, thumbs, and between the fingers are 3 areas that are frequently not cleaned thoroughly
with handwashing
c. alcohol-based hand gel or foam should have a concentration of 60-95% alcohol
d. cool water should be used to rinse hands after washing because it helps to close the pores in the skin
a. alcohol-based hand gel can be used in place of soap and water on hands that are visibly dirty
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 bring her 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.
b. only x-ray the area she is complaining about using the lead apron and thyroid collar for protection
Which of the follow is used to control the degree of penetration of the x-ray beam?
a. exposure button
b. kilovoltage peak selector
c. milliamperage selector
d. master switch
b. kilovoltage peak selector (kVp)
A cone-shaped radiopaque image on a panoramic x-ray is likely caused by:
a. use of a thyroid collar during imaging
b. earrings
c. orthodontic retainer
d. tongue piercing
a. use of a thyroid collar during imaging
How does the use of a photostimulable storage phosphor (PSP) plates affect digital radiography?
a. PSP plates are the thickest form of sensor and are the most uncomfortable to the patient
b. PAP plates allow for heat sterilization, making infection control easier to manage
c. PSP plates provide slightly more radiation exposure to the patient than traditional dental film
d. PSP plates do not offer immediate access to the digital image
d. PSP plates do not offer immediate access to the digital image
The use of outdated dental film may cause the x-ray to have:
a. partially missing image
b. white spots on the film
c. a foggy or gray appearance
d. appearance of streaks on final film
c. a foggy or gray appearance
Which of the following would not be a reason for the dental x-ray image to come out black?
a. processing time is too short
b. temperature is too warm
c. film has been exposed to white light
d. damaged safelight
a. processing time is too short
What type of chemical is used in the developing agent to convert the silver halide crystals to black?
a. potassium bromide
b. sodium sulfite
c. acetic acid
d. hydroquinone
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