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DOH Lab Assistant (DOHLA) Practice Tests & Test Prep by Exam Edge - FAQ


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The best test prep involves studying both the subject matter and the exam itself! Read on for DOH Laboratory Assistant FAQs and other test information.

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Why should I use Exam Edge to prepare for the DOH Laboratory Assistant Exam?


FAQ's for Exam Edge DOH Laboratory Assistant practice tests

We have ten great reasons why Exam Edge is the #1 source on the internet when it comes to preparing for DOH Laboratory Assistant test:

  • Comprehensive content: Exam Edge's DOH Laboratory Assistant practice tests are created specifically to prepare you for the real exam. All our DOH Lab Assistant 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 Department of Health (DOH) Abu Dhabi in their DOH Lab Assistant test guidelines.

  • Realistic practice: Our DOH Lab Assistant 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 DOH Laboratory Assistant 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 DOH Lab Assistant 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 DOH Lab Assistant 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 10 different online practice exams with 1,000 unique questions to help you prepare for your DOH Laboratory Assistant !

  • Low cost: The cost of ordering 5 practice tests is less than the cost of taking the real DOH Lab Assistant test. In other words, it would be less expensive to order 5 practice tests than to retake the real DOH Laboratory Assistant 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 DOH Laboratory Assistant exam.

What score do I need to pass the DOH Lab Assistant Exam?

To pass the DOH Laboratory Assistant test you need a score of 80.

The range of possible scores is 0 to 100.

How do I know the practice tests are reflective of the actual DOH Laboratory Assistant ?

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 DOH Laboratory Assistant practice test questions based on the official test breakdown provided by the Department of Health (DOH) Abu Dhabi . 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 Department of Health (DOH) Abu Dhabi subjects?

Yes! We offer practice tests for 42 different exam subjects, and there are 640 unique exams utilizing 64475 practice exam questions. Every subject has a free sample practice test you can try too!

DOH Dental
DOH Dental Assistants (DOH-DA) Practice Tests
DOH Dental Hygienist (DOH-DT) Practice Tests
DOH Dental Technician (DOH-DT) Practice Tests
DOH General Dentistry (DOH-GenDent) Practice Tests

DOH Medical Laboratory
DOH Central Sterile Supply Department (DOH-CSSD) Practice Tests
DOH Laboratory Assistant (DOHLA) Practice Tests
DOH Medical Laboratory Technician (DOHML) Practice Tests
DOH Medical Laboratory Technologist (DOHML) Practice Tests

DOH Pharmacy
DOH Pharmacy Technician (DOH-PT) Practice Tests

DOH Radiology
DOH Biomedical Equipment Technician (DOH-BMET) Practice Tests
DOH Bone Densitometry (DOH-BONE) Practice Tests
DOH Cardiac-Interventional Radiography (DOH-CI) Practice Tests
DOH Computed Tomography (DOH-CT) Practice Tests
DOH Magnetic Resonance Imaging (DOH-MRI) Practice Tests
DOH Mammography (DOH-Mamm) Practice Tests
DOH Radiographer (DOH-Radiographer) Practice Tests
DOH Sonography (DOH-SONO) Practice Tests
DOH Vascular-Interventional Radiography (DOH-VI) Practice Tests

DOH Specialty Nurse
DOH Accident and Emergency/ Emergency Room (DOH-Emergency) Practice Tests
DOH Assistant Midwife (DOH-Asst-Midwife) Practice Tests
DOH Cardiac Intensive Care (DOH-CardiacCare) Practice Tests
DOH Coronary Care (DOH-CoronaryCare) Practice Tests
DOH Diabetes (DOH-Diabetes) Practice Tests
DOH Diabetes Education (DOH-DiabetesED) Practice Tests
DOH Dialysis Therapist (DOH-Dialysis Therapist) Practice Tests
DOH Dietitian (DOH-Dietitian) Practice Tests
DOH Elderly care (DOH-Elderlycare) Practice Tests
DOH ElectrocardioGram (DOH-EKG) Practice Tests
DOH Medical Surgical Nursing (DOH-MedSurg) Practice Tests
DOH Mental Health (DOH-MentalHealth) Practice Tests
DOH Midwifery (DOH-Midwifery) Practice Tests
DOH Occupational Therapists (DOH-OT) Practice Tests
DOH Pediatric Intensive Care (DOH-PedIntensiveCare) Practice Tests
DOH Phlebotomist (DOH-Phlebotomist) Practice Tests
DOH Physiotherapy (DOH-Physio) Practice Tests
DOH Practical Nurse (DOHPN) Practice Tests
DOH Registered Nurse (DOHRN) Practice Tests
DOH Speech-Language Pathology (DOH-speech) Practice Tests

DOH ophthalmology
DOH Ophthalmology (DOH-OPT) Practice Tests

DOH-EMT
DOH EMT Basic (DOH-EMTBasic) Practice Tests
DOH EMT Intermediate (DOH-EMTIntermediate) Practice Tests
DOH EMT Paramedic (DOH-EMTParamedic) 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 Department of Health (DOH) Abu Dhabi ?

For up-to-date information about registration for the Department of Health (DOH) Abu Dhabi , refer to the Department of Health (DOH) Abu Dhabi website.

DOH Laboratory Assistant - FAQ Sample Questions

What occurs when a patient does not fast before a bilirubin analysis?

Correct Answer:
alimentary lipemia.


when a patient does not fast before a bilirubin analysis, an issue known as alimentary lipemia can occur. bilirubin testing is a common laboratory method used to measure the levels of bilirubin in the blood, which is a yellow compound that occurs in the normal catabolic pathway that breaks down heme in red blood cells. the results of this test are critical in diagnosing and monitoring liver diseases, such as hepatitis or cirrhosis, as well as in assessing the functioning of the liver and gallbladder.

fasting before the test is important because the presence of fats from recent meals can cloud the serum, a condition known as alimentary lipemia. this cloudiness can interfere with the photochemical assays used in bilirubin analysis. specifically, the turbidity caused by the fat particles in the blood can lead to artificially high bilirubin levels in the test results. therefore, to avoid this interference, fasting helps to ensure that the blood sample is clear, thereby providing more accurate and reliable bilirubin readings.

additionally, other factors such as heat and light exposure can also affect bilirubin levels. bilirubin is sensitive to light, which can degrade the compound, leading to lower readings than are actually present in the blood. heat can similarly impact the stability of bilirubin, potentially altering the results. therefore, proper handling and processing of the blood samples are crucial to prevent these external factors from skewing the test outcome.

in summary, fasting before a bilirubin test is critical for avoiding alimentary lipemia, which can cause false, high bilirubin results. furthermore, careful handling of the samples to protect them from light and heat ensures the accuracy and reliability of the bilirubin levels measured, aiding in the proper diagnosis and management of conditions affecting the liver.

Which of the following is NOT a polychrome stain?

Correct Answer:
heinz body


to answer the question "which of the following is not a polychrome stain?" it is essential to understand what a polychrome stain is compared to a monochrome stain. a polychrome stain involves the use of multiple dyes that produce various colors in the staining process, allowing for the differentiation of different cellular components or structures within a sample. in contrast, a monochrome stain uses a single dye, resulting in all stained components appearing the same color.

among the options provided (wright, heinz body, may-grunwald, jenner), the correct answer is "heinz body." the heinz body stain is indeed a monochrome stain. specifically, it involves the use of brilliant cresyl blue or new methylene blue, which are dyes used to stain denatured hemoglobin in blood cells. this staining helps in identifying heinz bodies, which are inclusions within red blood cells that indicate cell damage, particularly in conditions such as g6pd deficiency.

in contrast, the other stains mentioned are examples of polychrome stains: 1. **wright stain** - this is a commonly used polychrome stain in hematology for performing differential blood counts. it stains blood cells in multiple colors, allowing for the differentiation of various types of cells such as erythrocytes, leukocytes, and platelets. 2. **may-grunwald stain** - often used in conjunction with giemsa stain, it is a polychrome method used primarily for staining blood smears. it helps in distinguishing cellular components by staining them in different hues. 3. **jenner stain** - similar to the may-grunwald stain, jenner stain is used for blood film and is polychromatic, providing a range of colors that facilitate the identification of different blood cell types.

therefore, the answer "heinz body" is correct as it is not a polychrome stain but a specific application of a monochrome staining technique used for identifying damaged red blood cells, which is distinctly different from the multi-color staining characteristics of the other options listed.