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DHA Computed Tomography (DHA-CT) Practice Tests & Test Prep - FAQ


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The best test prep involves studying both the subject matter and the exam itself! Read on for DHA Computed Tomography FAQs and other test information.

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Why should I use Exam Edge to prepare for the DHA Computed Tomography Exam?


FAQ's for Exam Edge DHA Computed Tomography practice tests

We have ten great reasons why Exam Edge is the #1 source on the internet when it comes to preparing for DHA Computed Tomography test:

  • Comprehensive content: Exam Edge's DHA Computed Tomography practice tests are created specifically to prepare you for the real exam. All our DHA Computed Tomography practice test questions parallel the topics covered on the real test. The topics themselves are covered in the same proportions as the real test too, based on outlines provided by the Dubai Health Authority in their DHA Computed Tomography test guidelines.

  • Realistic practice: Our DHA Computed Tomography practice exams are designed to help familiarize you with the real test. With the same time limits as the real exam, our practice tests enable you to practice your pacing and time management ahead of test day.

  • Detailed explanations: As you complete your practice tests, we show you which questions you answered correctly and which ones you answered incorrectly, in addition to providing you with detailed step-by-step explanations for every single DHA Computed Tomography practice exam question.

  • Performance insights: After you complete a practice test, we provide you with your raw score (how many you answered correctly) and our estimate of the DHA Computed Tomography score you would have received if you had taken the real test.

  • Ease of access: Because all our practice tests are web-based, there is no software to install. You can take DHA Computed Tomography practice exams on any device with access to the internet, at any time.

  • Flexible use: If you must pause while taking one of our practice tests, you can continue right where you left off. When you continue the test, you will start exactly where you were, and with the same amount of time you had remaining.

  • Thousands of unique questions: We offer 25 different online practice exams with 1,750 unique questions to help you prepare for your DHA Computed Tomography !

  • Low cost: The cost of ordering 5 practice tests is less than the cost of taking the real DHA Computed Tomography test. In other words, it would be less expensive to order 5 practice tests than to retake the real DHA Computed Tomography exam!

  • Our trusted reputation: As a fully accredited member of the Better Business Bureau, we uphold the highest level of business standards. You can rest assured that we maintain all of the BBB Standards for Trust.

  • Additional support: If you need additional help, we offer specialized tutoring. Our tutors are trained to help prepare you for success on the DHA Computed Tomography exam.

What score do I need to pass the DHA Computed Tomography Exam?

To pass the DHA Computed Tomography test you need a score of 60.

The range of possible scores is 0 to 100.

How do I know the practice tests are reflective of the actual DHA Computed Tomography ?

At Exam Edge, we are proud to invest time and effort to make sure that our practice tests are as realistic as possible. Our practice tests help you prepare by replicating key qualities of the real test, including:

  • The topics covered
  • The level of difficulty
  • The maximum time-limit
  • The look and feel of navigating the exam
We have a team of professional writers that create our DHA Computed Tomography practice test questions based on the official test breakdown provided by the Dubai Health Authority. We continually update our practice exams to keep them in sync with the most current version of the actual certification exam, so you can be certain that your preparations are both relevant and comprehensive.

Do you offer practice tests for other Dubai Health Authority subjects?

Yes! We offer practice tests for 58 different exam subjects, and there are 1,025 unique exams utilizing 92250 practice exam questions. Every subject has a free sample practice test you can try too!

DHA Allied Health
DHA Accident and Emergency/ Emergency Room (DHA-EMG) Practice Tests
DHA Audiologist (AUDIO) Practice Tests
DHA Audiology Assistant (AUDIO) Practice Tests
DHA Central Sterile Supply Department (DHA-CSSD) Practice Tests
DHA Clinical Dietitians (NUTRO) Practice Tests
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DHA Dialysis Technologist (RDTCH) Practice Tests
DHA EKG Technician (DHA-EKG) Practice Tests
DHA Emergency Medical Technician - Basic (DHA-EMTB) Practice Tests
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DHA Massage Therapist (MASST) Practice Tests
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DHA Allied Health - Dental
DHA Dental Assistant (DASST) Practice Tests
DHA Dental Hygienist (DENHY) Practice Tests
DHA Dental Technician (DHA-DT) Practice Tests
DHA Dialysis Technician (DHA-DIaTech) Practice Tests
DHA General Dentistry (GENDE) Practice Tests
DHA Orthodontic Assistant (DHA-OA) Practice Tests
DHA Pediatric Nursing (DHA-PN) Practice Tests

DHA Allied Health - Medical Imaging
DHA Bone Densitometry (DHA-BONE) Practice Tests
DHA Cardiac Interventional Radiography (DHA-CI) Practice Tests
DHA Computed Tomography (DHA-CT) Practice Tests
DHA Magnetic Resonance Imaging Technologists (DHA-MRI) Practice Tests
DHA Mammography (DHA-MAM) Practice Tests
DHA Medical Imaging Technologists (DHA-MI) Practice Tests
DHA Radiotherapy Technician (DHA-RADTech) Practice Tests
DHA Radiotherapy Technologist (DHA-RAD) Practice Tests
DHA Sonographer (DHA-SO) Practice Tests
DHA Vascular Interventional Radiography (DHA-VI) Practice Tests

DHA Allied Health - Optometry
DHA Ophthalmic Technician (DHA-OT) Practice Tests
DHA Ophthalmologists (OPTOMO) Practice Tests
DHA Optometrist (OPTOM) Practice Tests
DHA Pharmacology (DHA-Pharmacology) Practice Tests

DHA Allied Health - Psychology
DHA Educational Psychology (DHA-EducPsyc) Practice Tests
DHA Marriage and Family Psychology (DHA-FamilyPsyc) Practice Tests
DHA Psychiatric Nurse (DHA-Psyc Nurse) Practice Tests

DHA Allied Health - Speech Therapy
DHA Speech Therapist (DHA-SPT) Practice Tests
DHA Speech Therapist Assistant (DHA-SPA) Practice Tests

DHA Allied Health - Therapy
DHA Clinical Psychology (DHA-ClinicalPhysio) Practice Tests
DHA Occupational Therapist (ORAPS) Practice Tests
DHA Occupational Therapy Technician (ORAPS) Practice Tests
DHA Physiotherapists (PHYSP) Practice Tests
DHA Physiotherapy Technician (PHYTH) Practice Tests

DHA Nurses & Midwives
DHA Diabetic Nurse Educator (DHA-Diabetic ED) Practice Tests
DHA Assistant Midwife (MIDWI) Practice Tests
DHA Assistant Nurse (DHA-ARN) Practice Tests
DHA Biomedical Equipment Technician (DHA-CBET) Practice Tests
DHA Practical Nurse (DHAPN) Practice Tests
DHA Registered Midwifery (MIDWI) Practice Tests
DHA Registered Nurse (DHA-RN) Practice Tests
DHA Staff Nurse (DHA-SN) Practice Tests

To order tests, or take a sample test, for a different subject: Click on ' Name on the Exam Name' You will be take to the orders page

How do I register for the real Dubai Health Authority?

For up-to-date information about registration for the Dubai Health Authority, refer to the Dubai Health Authority website.

DHA Computed Tomography - FAQ Sample Questions

How can metal artifacts be reduced?

Correct Answer:
mdt


metal artifacts in imaging, particularly in computed tomography (ct) and magnetic resonance imaging (mri), can significantly degrade image quality, obscuring clinical information. these artifacts typically arise from the presence of metal objects within the field of imaging, such as dental fillings, hip replacements, or surgical screws. the primary mechanisms leading to metal artifacts include beam hardening, scatter, photon starvation, and edge effects. to mitigate these artifacts, various techniques can be employed.

one common method is the recalibration of the detector in imaging systems. over time and with extensive use, the sensitivity of detectors in imaging systems like ct scanners can drift, leading to inconsistencies in how they perceive and translate the attenuation of x-rays through different tissues and materials. recalibrating the detector ensures that it provides a more uniform response to the x-rays that pass through different materials, including metal. this calibration must be performed periodically to maintain optimal image quality and reduce artifacts.

another effective strategy is to reposition the patient relative to the imaging beam. strategic repositioning can help to minimize the path lengths through which x-rays or other imaging beams have to pass through high-density materials like metal, thereby reducing the extent of beam hardening and scatter. for example, if a patient has a metal hip implant, positioning them so that the implant is aligned favorably relative to the beam can help in reducing artifacts. this approach requires careful planning and skilled execution by radiological technicians to optimize image quality without compromising the diagnostic value of the images.

contrary to what might be assumed, adding metal to the patient’s body is not a viable method to reduce metal artifacts in medical imaging. in fact, introducing additional metal would likely exacerbate the problem by increasing beam hardening and scatter. therefore, this method is not recommended and is generally avoided in clinical practice.

furthermore, advanced software algorithms such as metal artifact reduction (mar) techniques are increasingly being integrated into imaging systems. these algorithms work by identifying the regions in an image that are affected by metal and then employing sophisticated interpolation and modeling techniques to reconstruct these areas more accurately. the use of mar techniques can significantly enhance the quality of images, especially in complex cases where metal objects are unavoidable.

in summary, reducing metal artifacts in medical imaging is crucial for ensuring high-quality diagnostic images. this can be achieved through periodic recalibration of detectors, thoughtful repositioning of the patient, and the application of advanced software algorithms designed to specifically address and mitigate the effects of metal within the imaging field. adding metal is not a solution and should be avoided as it would increase the severity of the artifacts.

Of the following, which would be considered correct for the length of time it typically takes to complete a cardiac CT for calcium scoring procedure?

Correct Answer:
10 minutes


the correct length of time it typically takes to complete a cardiac ct for calcium scoring is about 10 minutes. this procedure is utilized primarily to check for the presence of calcified plaque in the coronary arteries. calcified plaque is a significant indicator of atherosclerosis or coronary artery disease. by measuring the amount of calcium in the arteries, healthcare providers can assess a patient's risk of future heart problems.

cardiac ct for calcium scoring is a non-invasive and relatively quick procedure. it involves the use of computed tomography (ct) technology to obtain detailed images of the heart's arteries. during the procedure, the patient lies on a table that slides into a ct scanner, which then captures high-resolution images of the heart. these images are used to identify and quantify calcification or plaques in the coronary arteries.

the process requires the patient to hold their breath for a few seconds to ensure clear images are captured without the interference of motion from breathing. the actual time spent in the ct scanner is typically less than 10 minutes. however, the overall visit might take a little longer—approximately 15 to 30 minutes—when including preparation time and post-procedure assessments.

in contrast to more extended cardiac evaluations like some stress tests or angiographies, a cardiac ct for calcium scoring is quick and does not require extensive preparation or recovery time. this makes it an efficient tool for early detection and ongoing monitoring of heart health, particularly in individuals at risk of coronary artery disease.