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DANB RHS 2024 Exam Questions and Answers

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DANB RHS 2024 Exam Questions and Answers Which of the following measures the amount of radiation that reaches the surface of the skin? - Answer-Roentgen The best way a dental assistant can minimize cross-contamination, when exposing radiographs is to - Answer-touch as few surfaces as possible ...

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  • August 19, 2024
  • 13
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • danb rhs 2024 exam
  • danb rhs 2024 exam questions and answers

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DANB RHS 2024 Exam Questions
and Answers
Which of the following measures the amount of radiation that reaches the surface of the
skin? - Answer-Roentgen

The best way a dental assistant can minimize cross-contamination, when exposing
radiographs is to - Answer-touch as few surfaces as possible

Which of the following lesions appear as radiopaque on an image - Answer-Sclerotic
bone

Which of the following should be used to prevent cross contamination from the
exposure buttons - Answer-plastic cover

What image receptor, semi critical item should be sterilized before reuse - Answer-PID

Which of the following is a measurement of tissue damage from x-ray energy - Answer-
radiation absorbed dose

Leakage radiation is defined as any radiation that is - Answer-from the primary beam

Cells most susceptible to radiation damage are - Answer-bone marrow

Most bilateral findings in images are considered - Answer-normal anatomic landmarks

On an anterior image the anterior alveolar crest normally appears - Answer-pointed,
sharp

For x-ray machines, operating and ranges at or below 70 kVp the total aluminum
equivalent filtration must be a minimum of - Answer-1.5 mm

Which of the following must be monitored for radiation leakage - Answer-Dental x-ray
machines

Phosphor plates are processed by using - Answer-Laser beam technology

Which of the following may cause unnecessary radiation exposure to the patient -
Answer-Radiograph technique errors

When should gloves be worn while taking radiographs? - Answer-wear when placing
receptor into the mouth

, A full mouth series of periapical images taken on an endentulous patient will consist of -
Answer-Six anterior and eight posterior

When taking a panoramic radiograph, the patient's head should be oriented - Answer-
With the mid sagittal plane perpendicular to the floor

The diameter of the cone-shaped beam produced from a circular collimator is - Answer-
2.75 inches

When taking radiographs on small child, who cannot hold the sensor intro orally the
dental assistant should - Answer-Ask the parent or guardians to hold the sensor

To help desensitize the tissue prior to image receptor placement the dental assistant
should - Answer-rub a finger along the tissues where the receptor touches

What infection control steps are performed prior to during dental imaging procedures -
Answer--place barriers on tube head, dental chair, work area, and computer
-perform handwashing and don gloves
-cover sensor with barrier

Which of the following would cause elongation on a radiograph? - Answer-insufficient
vertical angulation

The median palatal suture is visible on which of the following images - Answer-Maxillary
anterior periapical

Patient did not remove earrings prior to exposing a panoramic image the radiograph
could have - Answer-Ghost images

Which of the following influences the sharpness of a radiograph - Answer-focal spot size

Which of the following is considered critical, and should be sterilized after use - Answer-
bite tab of XCP holder

The amount of radiation and exposure time needed to produce a diagnostic radiograph
is best determined by - Answer-exposure time

Which part of the x-ray machine should be covered or disinfected after each patient -
Answer-tubehead

Personnel radiation monitoring devices, or worn to - Answer-Record the occupational
exposure, received by the operator

Digital radiography, positioning devices should be - Answer-heat sterilized

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