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

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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.

Sample Questions

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?
Patient name and room number
Patient full name and date of birth
Patient bed assignment and physician name
Patient phone number and address
Question 2
Which evacuated tube additive is the anticoagulant of choice for most hematology testing, including CBC and ESR?
Sodium citrate
Lithium heparin
K2 or K3 EDTA (lavender top)
Sodium fluoride / potassium oxalate
Question 3
Per CLSI guidelines, what is the correct CLSI-recommended order of draw for a multi-tube venipuncture?
Lavender, light blue, gold SST, green, gray
Blood culture, light blue (citrate), serum (red/SST/gold), heparin (green), EDTA (lavender), oxalate/fluoride (gray)
Gray, green, lavender, red, light blue, blood culture
Serum first, then citrate, then EDTA, then heparin, then blood culture
Question 4
What is the required blood-to-anticoagulant ratio for a sodium citrate (light blue top) tube used for coagulation testing?
1:1
9:1 (nine parts blood to one part citrate)
4:1
1:9 (one part blood to nine parts 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?
Wipe the site dry with a gauze pad immediately
Allow the alcohol to air-dry for at least 30 seconds
Re-palpate the vein with a clean gloved finger
Apply povidone-iodine over the alcohol

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Additional Information

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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Frequently Asked Questions

This quiz contains a total of 100 practice questions carefully selected to test your knowledge on this subject.
Yes, you will have exactly 0 minutes to complete the exam. A countdown timer will be visible once you start.
Yes, you can retake this practice test as many times as you need. The questions and options may be randomized on subsequent attempts to ensure comprehensive learning.

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