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
...
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Scholarsstudyguide. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.