Question 1
A medical laboratory assistant is preparing to draw blood from an outpatient. According to standard patient identification policy, what are the two minimum identifiers that must be confirmed before specimen collection?
Correct Answer:
Patient full name and date of birth
Question 2
Which evacuated tube additive is the anticoagulant of choice for most hematology testing, including CBC and ESR?
Correct Answer:
K2 or K3 EDTA (lavender top)
Question 3
Per CLSI guidelines, what is the correct CLSI-recommended order of draw for a multi-tube venipuncture?
Correct Answer:
Blood culture, light blue (citrate), serum (red/SST/gold), heparin (green), EDTA (lavender), oxalate/fluoride (gray)
Question 4
What is the required blood-to-anticoagulant ratio for a sodium citrate (light blue top) tube used for coagulation testing?
Correct Answer:
9:1 (nine parts blood to one part citrate)
Question 5
A phlebotomist is preparing the venipuncture site with 70% isopropyl alcohol. After cleansing, what is the next step before inserting the needle?
Correct Answer:
Allow the alcohol to air-dry for at least 30 seconds
Question 1
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About this Exam

Prepare with the ASCP MLA Practice Questions - Medical Laboratory Assistant (MLA) Exam practice quiz. This question bank includes 100 questions covering specimen, tube, patient, testing, and laboratory. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ASCP MLA Practice Questions - Medical Laboratory Assistant (MLA) Exam

This practice set contains 100 questions from the matching question bank and focuses on specimen, tube, patient, testing, and laboratory. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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