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DHA Dental Assistant (DHA-DA) Practice Tests & Test Prep by Exam Edge - Review



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Passing your DHA Dental Assistant can be a very stressful time in your life. So why take chances with your preparation? Let us help you through the certification process. See why so many users choose ExamEdge.com to guide them through the process. We only have honest reviews from real users.

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DHA Dental Assistant - Reviews


   Excellent
Based on 170 reviews

Shafana


"Hi ma'am thank you so much I cleared my dha exam and this time the question papers helped me a lot. I ll surely recommend dha prep to all my friends thanks once again."

Roxan


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See Why Our Users from 154 Countries Love Us!

Exam Edge is an industry leader in online test prep. We work with institutional partners to offer a wide array of practice tests that will help you prepare for your big exam. No matter how niche your field of interest might be, we are here to help you prepare for test day.



See why our users from 154 countries love us for their exam prep! Including 170 reviews for the DHA Dental Assistant exam.

Exam Edge is an industry leader in online test prep. We work with institutional partners to offer a wide array of practice tests that will help you prepare for your big exam. No matter how niche your field of interest might be, we're here to help you prepare for test day.

   Excellent -- Based on 170 reviews

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DHA Dental Assistant - Test Reviews Sample Questions

If a lead barrier is not available, an operator may stand behind which of the following for radiation protection?

Correct Answer:
drywall.


in settings where radiation is used, such as in medical or dental facilities, ensuring the safety of the operator and others around radiation sources is crucial. the most effective means of protection is typically a barrier specifically designed to block or reduce radiation exposure.

lead barriers are the standard in radiation protection due to lead's high density and atomic number, which make it very effective at absorbing various types of radiation, including x-rays. however, there are situations where a lead barrier may not be available. in such cases, alternatives must be considered to provide some level of protection.

drywall, commonly used in building construction, can serve as a makeshift barrier when no better option is available. while not as effective as lead, drywall still offers some degree of protection against radiation due to its density and the materials involved in its construction. it is important to note, however, that the level of protection provided by drywall is significantly less than that provided by lead. therefore, while drywall can reduce exposure, it should not be considered a complete safeguard against radiation.

other materials such as cloth partitions or certain furniture like a dental chair, although they might provide physical barriers, do not significantly block radiation and are therefore not recommended for protection in radiological settings. similarly, the tubehead, which is a part of the x-ray apparatus itself, is not a viable option for protection as it is the source of radiation.

in conclusion, in the absence of a lead barrier, drywall is a preferable alternative for radiation protection, though it is less effective. operators and facilities must always strive to use the most effective protection available and adhere to safety protocols to minimize radiation exposure.