ASCP MLS Exam Question: What You Need To Know
Which types of ASCP MLS exam questions are important to understand to pass the ASCP medical laboratory Scientist exam?
How many questions are extracted by the ASCP Board of Certification from each content area?
How many ASCP MLS exam questions, you should answer correctly to earn higher scores?
What is the format of MLS (ASCP) exam questions?
Above all, the questions are commonly asked by the ASCP medical lab students.
Here we will answer all the questions and also demonstrate some examples of ASCP MLS exam questions for your clarity.
Percentage (%) of ASCP MLS Exam Questions Related to Each Content Area
You should clearly understand the below ASCP MLS exam question percentage to consider which area needs your highest and least attention.
| Exam Content Area | Questions Percentages |
| Chemistry | 17%-22% |
| Microbiology | 17%-22% |
| Hematology | 17%-22% |
| Immunology | 5%-10% |
| Laboratory Operations | 5%-10% |
| Blood Banking | 17%-22% |
| Urinalysis/Other Body Fluids | 5%-10% |
Explanation of ASCP MLS Exam Question Format
CAT (computer adaptive testing) is the format of the ASCP MLS exam.
The CAT: a computer system that is packed with a bundle of easy and difficult questions.
During the exam, this computer displays 100 questions (all are multiple-choice questions).
It shows easy or difficult questions based on your answers: a correct answer will trigger the tough question, and an incorrect answer will trigger the easy question.
You cannot skip any ASCP MLS exam question becasuse there is no skipping option, all the questions that appear on your computer screen you have to solve, whether you know their answers or not.
Practice ASCP MLS Exam Question
If you want to practice the ASCP MLS exam questions, you must subscribe to MLSIAcademy.com which offers you the ASCP MLS practice exam along with other study tools.
The MLSIA QBanks provide amazing practicing tools: all are the best tools to understand the format of the MLS ASCP exam questions.
The following is a list of MLS ASCP exam question tools that you get from MLSIA after subscribing to the ASCP MLS course review program:
- ASCP MLS Q&A Modules
- ASCP MLS Quiz Modules
- ASCP MLS Practice Exam
- Mock and CAT Exam Questions
- Flashcards
How Many Questions You Must Solve to Get Passing Scores?
The American Society for Clinical Pathology (ASCP) Board of Certification (BOC) neither sets a fixed number of questions to answer correctly nor a percentage to get to qualify for the exam.
To achieve certification, you must get a score higher than a passing point (at least 400).
Examples of ASCP MLS Exam Questions
What is infarction?
- A specific area where tissues start dying due to lack of oxygen
- A specific area where tissues start dying due to excess of oxygen
- Chest pain caused by an inadequate supply of oxygen
- Above all are incorrect
The alkaline phosphatase (ALP) test is used to measure the presence of ALP in
- Blood
- Bone
- All Body Fluids
- Bone marrow
Influenza B in only attack
- Animals
- Birds
- Humans
- All of them
0.8%-0.2% (0.008-0.02) is a hemoglobin (HbA) normal percentage that is found in.
- Old Man
- Young Women
- Adults
- Children
A high level of CA 19-9 is a sign of
- Pancreatic cancer
- Stomach cancer
- Blood cancer
- Kidney failure
Want to reinforce your knowledge?
Try our ASCP practice questions with detailed answer explanations.
(FAQs) for ASCP MLS Exam Question
How long does it take to solve the ASCP MLS exam questions?
The MLS (ASCP) is composed of 100 multiple-choice questions, the board determines 2 hours and 30 minutes to answer these questions.
How does the ASCP MLS exam format arrange the questions based on difficulty level?
The format of the ASCP medical lab scientist exam is CAT (computer adaptive test), which shows easy questions based on your incorrect answer and difficult questions based on your correct answers.
Resources: ASCP BOC.

Abdelhalim Elshawadfy is an ASCP certified Medical Laboratory Scientist (MLS ASCP), Specialist in Microbiology (SM ASCP), and Molecular Biology Technologist (MB ASCP) with a distinguished career marked by expertise, continuous learning, and a commitment to elevating the standards of clinical laboratory science. As an ASCP Certification Expert and American Board Certification Expert, Abdelhalim Elshawadfy continues to make invaluable contributions to the field, leaving a lasting impact on the medical community.
