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DANB RHS study - Questions and Answers 100% Correct
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DANB RHS study - Questions and Answers 100% Correct
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DANB RHS study - Questions and Answers 100% Correctwhich of the following is false regarding hand-washing?
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 three areas that are frequently not cleaned
thoroughly with hand washing
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 Correct Ans-a
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 dental records with her. Which of the following would be the most appropriate for
obtaining dental X-rays?
a. obtaining full melt survey as well as a panoramic in order to establish a
b. only x-ray the area she is complaining about using the letters 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 lead apron and
thyroid collar for protection Correct Ans-b
what is the name of the device used to monitor employees for radiation exposure?
a. radiographometer
b. oximeter
,DANB RHS study - Questions and Answers 100% Correct
c. holter monitor
d. dosimeter Correct Ans-d
for internal x-rays, what film speed is the fastest and reduces the amount of patient exposure
to radiation?
a. a-speed
b. d-speed
c. f-speed
d. h-speed Correct Ans-c
which of the following 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 Correct Ans-b
a reverse smile line observed on a panoramic image is likely due to:
a. position of the patient's chin is too high
b. position of the patient's chin is too low
c. the patient's spine is not straight
d. the patient's lips were not close during Imaging Correct Ans-a
, DANB RHS study - Questions and Answers 100% Correct
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 Correct Ans-a
how does the use of 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. PSP 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 a media access to the digital image Correct Ans-d
which of the following is not a disadvantage of digital radiography?
a. infection control issues
b. lost images
c. cost for purchasing Digital Imaging equipment
d. training Correct Ans-b
the use of outdated Dental film may cause an x-ray to have:
a. partially missing image
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