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HESI DA Practice Test - Radiation Health & Safety Exam Questions with Latest Update
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Which color Rinn XCP is used for the bitewing placement? - Answer-Red In regards to patient protection >> - Answer-Duplicate radiographs from another dentist may be used for pt. treatment planning Positive clinical findings during examination classify pts as symptomatic New patients ...

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  • October 10, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • hesi da practice test radiation health safety
  • which color rinn xcp is used for the bitewing plac

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  • Radiation safety
  • Radiation safety

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HESI DA Practice Test - Radiation Health
& Safety Exam Questions with Latest
Update
Which color Rinn XCP is used for the bitewing placement? - Answer-Red

In regards to patient protection >> - Answer-Duplicate radiographs from another dentist
may be used for pt. treatment planning

Positive clinical findings during examination classify pts as symptomatic

New patients should have a recent full mouth series of radiographs on file before
treatment

When viewing a mount, which film should be placed in the top row, far left corner? -
Answer-Maxillary right molar periaplical

What radiology technique is used to identify interproximal caries, & is useful in
discovering early carious lesions that are not clinically visible? - Answer-Bitewing

Which type of toxin formation in cells must operators of x-ray equipment & patients
receiving radiation be protected? - Answer-INdirect

A pt is scheduled for the exposure of a FMS. She presents with prominent maxillary &
mandibular tori. Which is the best approach for completing a radiographic exam? -
Answer-Utilize the bisecting angle technique for periapical radiographs

What is true about intensifying screens is most accurate? - Answer-Exposure to
radiation is decreased when intensifying screens are used

which function characterizes aluminum filtration when placed inside the x-ray tubehead?
- Answer-Makes the beam more penetrating

Which error produces a darker radiographic image? - Answer-Fixer solution was TOO
cold

which is least sensitive to the effects of radiation - Answer-NERVE

Which is an appropriate reason to expose a periapical radiograph? - Answer-Pulpitis

which extraoral image is best used to view the maxillary sinuses? - Answer-waters

, With which type of radiograph is elongation typically visible? - Answer-periapical
exposed w/ the bisecting angle technique

W/in what time frame can an operator of dental x-ray equipment experience low level,
chronic exposure to radiation? - Answer-Years

Which component restricts the size and shape of the primary beam as it exits the
tubehead? - Answer-Collimator

What is the weekly maximum permissible dose (MPD) limit for an operator of
radiographic equipment ? - Answer-100 mRem

What technique is used to examine the cleft palate area? - Answer-Oclussal

Which device monitors radiation exposures for an operator of x-ray equipment? -
Answer-Dosimeter

What is the yearly maximum permissible dose (MPD), in rem, for an operator of
radiographic equipment? - Answer-5 rem

The aluminum filter protects the patient by removing what type of waves from the
primary beam? - Answer-LONG

What protects the operator? - Answer-Concrete walls

Which suggestion is helpful when working with a patient that has hypersensitive gag
reflex? - Answer-Instruct the pt to hold their leg in the air

Which is a standard measurement of amount of radiation absorbed by a tissue? -
Answer-Gray

Which concept best describes radiation exposure & patient protection? - Answer-
ALARA
The guiding principle of radiation protection in trying to keep all exposures as low as
reasonbly achievable

By law, which activity related to the exposure of radiographs is allocated to dental
assistants? - Answer-Evaluation

Which agent is responsible for converting the exposed silver halide crystals to black
metallic silver? - Answer-Hydroquinone

What radiograph characteristics is affected when the PID is changed from 16-18 in. ? -
Answer-Less divergence beam

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