Unfortunately, I’ve had to take down all BOC Examination questions because it violated BOC copyright and constituted a violation of the confidentiality pledge. Don’t worry though, these questions were always meant as a supplement to your studies. Study hard and use review and question books and you’re going to do great!

141 Responses to EXAM RECALLS

  1. HD says:

    I put my recalls but I don’t see them here. what should I do?

  2. kena says:

    Hello I took the MLS exam and passed. LabCE is great. BOC is a waste of time. My suggestion is to review, review, review LabCE and your notes.

    • b says:

      how are you using LabCE? all im doing is grinding the adaptive tests averaging high 60s low 70s with 6.5~ difficulty. but a lot of the time im getting repeated lvl 9 questions. did you get any recent recalls that were posted here?


  3. kena says:

    BTW make sure you know your parasites and the differential tests for the Staphs and Strepts….

  4. wordsology says:

    An incredible review. Thank you so much Sam. Congratulations to you sir!

  5. cheer says:

    Hi Sohail, thank you so much for this website. I just passed my ASCP ,and I don’t have enough words to thank you and all the contributors of the recall questions. For those preparing for ASCP, please study these questions and answers.

  6. Jen says:

    I remember they asked about Stenotrophomonas maltophilia which are = Rapid oxidizers of maltose
    The asked about the stain used for Cryptosporidium parvum= Modified trichrome stains

  7. Charita says:

    I am so grateful to Sohail because this blog is such a big help for me when I took my exam last July. My scheduled exam was last June but because the system of Pearson was down at that time and I was advised to reschedule my exam which is very hassle.

    Anyway I’m going to share some points. Try to study Harr questions and also BOC for BB. Some of the questions in the BB actual exam were taken from BOC. Try to focus on A bottomline approach by theriot and also the book of ciulla

    -Memorize by heart the high yield notes of Sohail for Enterobacteriaceae and for gram positive cocci and bacilli it can definitely save your life from micro questions.

    I almost forgot the questions. But I hope this might help you.😊😊😊

  8. Andrew says:

    Total pc02 is 40 mm (kpa 5.6) calculted per mol/l ?

    A. 1.2 i picked this
    B. 12
    C. 4.0
    D . 40

    Can some one explain it to me how to do this problem please ?

  9. liwa says:

    Many blood bank questions especially DAT but I can hardly remember. Review high yield notes and other questionnaires you have. I used this site for review. Other review materials include Polansky, harr, boc and labce. If you are sure of your answer, don’t hesitate to follow your instincts. I never flagged any question since 2 hrs and 30 mins is quite enough. I finish my exam within an hour. Study hard and pray always for guidance. All the best for all takers. πŸ™‚

  10. Cherice says:

    Good day Sohail. Just to let you know l pass my ASCP today. Your high yield notes really helped me. Thanks again.

    • Hi cherice! aside from the high yield notes what other reference
      did you study? Thanks!

    • Cherry says:

      Yes l did go through the recalls as is. I also memorized the microb charts in the high yield notes.

    • Kelly Burton says:

      Hi Cherice
      Thank you for posting your exam recall questions, I think it’s amazing that you all can remember so much from the exam. This site, you, and all the contributors are a true blessing! I have a comment about calculations involved in determining how much the insulin given would change the serum potassium levels. I have searched this site for the answer, read my clinical chemistry text, I have read the BOC Study guide and I have looked on line. It seem that it is a dosage question. The BOC book does not mention dosage calculations, and neither does my chemistry text, but I did manage to find a calculation on line that tells how to calculate how much 1 unit of insulin would affect the glucose levels (1unit of insulin will decrease blood glucose by 50 mg/dL). I also found that 10 units of insulin will decrease serum potassium by 1 mmol/L. All these numbers are dependent upon the condition of the patient (Insulin Sensitivity Factor-ISF) and the many other important factors that the ASCP exam question does not provide. I am led to believe that it is a question that only requires the BEST answer (obviously). We know that insulin decreases serum potassium so we would choose the answer that is lower than the one given in the original question. If Potassium is 4.2 before insulin is given, it’s gonna be less after insulin is given. No calculation needed.

  11. Rah says:

    Hello everyone! I took my exam today and passed. I want to say THANK YOU SO MUCH everyone here esp Sohail! Bless you all. Good luck everyone and best of wishes. Don’t give up! No matter what!


    thank you for this amazing website, I took Ascpi yesterday 18th of September 2017 and I passed ( my 1st attempt). graduated in 2015 ( medicine and surgery) and 2008 ( Medical Laboratory Science). I passed really not bcos i gradated as a medical doctor few years back but bcos of God’s divine and unmerited grace and this amazing website. I was guided thoroughly by comments from many people on this site. To God i give all the praises and to all who had contributed here i say thank you and may God bless you, and to Sochil i say may God bless you richly and immensely.

    I had no textbook so I read polansky flash cards, harr’s review book tho i didn’t finish it bcosIi had less than two months to prepare.I actually knew about the exam in June and got registered for the exam in July.

  13. Cherice says:

    Good day Sohail. Just to let you know l pass my ASCP today. Your high yield notes really helped me. Thanks again.

  14. mona says:

    does anyone have answers for these questions , im unsure for some of them.

  15. emadberair says:

    Thanks Wordsology for this great info… I am going to take my MLS exam on 10/13/2017…
    my weakest area is biochemical tests for Enterobacteriaceae…I can not memorise them all… : (
    any advice please?
    Thanks all …. for your recall

  16. R says:

    i just took the MLS ASCP exam NOV 9 2017 today and passed on first try!!! i cant thank you enough for this amazing website. i was freaking out during the exam and was so nervous that i almost passed out ……literally !!!!!! use Sucess and LabCE, LabCE is a good practice tool to see if you understand the fundamentals, but the question formats are totally different comparing to the actually exam, for example, LABCE exam gives you the exact values for each test performed and gives hints about whether theres something increased or not so if you understand the fundamental its pretty straight forward and the answer is obvious. but the actual ASCP exam questions are usually one sentenced (very minimal information) and a huge table of results containing relavant and irrevant results, so that could be confusing, so it would consume a lot of your time to figure out those anwsers especially when youre nervous and everything starting not to make sense during the exam and that would be the last thing you want it to happen. i was nervous and i blacked out, so make sure dont get nervous, although ive been trying to convince myself for the pass a few week to not freak out but i didnt work out that well.

  17. carol says:

    OMG what happened to this site, i feel like my only hope to pass just crashed. what happened to all the questions?
    someone help

  18. Aub says:

    Just passed the MLT BOC yesterday (first try!) and this site helped me narrow down the massive amount of info I acquired from school. I know that the MLT is less difficult than the MLS but it helped me all the same. I seemed to have a lot of micro questions, mostly about NLF’s. One questions was what organisms are VP positive. Most of my chemistry questions were about cardiac markers (what marker appears at 72 hours after an AMI and stays positive for 7 days), renal function (specifically where the filtrate is reabsorbed, the process of filtration, reabsorption, excretion, ect.), and hepatic function (enzymes seen in bone disorders and biliary obstruction). My hematology questions were pretty much all over the place, from what stain is required for a Heinz body to sickle cell electrophoresis. Others were where I was given a set of values and asked to distinguish between aplastic anemia, thalassemia, and iron deficiency anemia. Leukemias and dysplasia disorders are not covered in the MLT exam but obviously you will need to know what that looks like when you start working in a lab no matter what level you are at.

    What I wasn’t expecting was how different some of the questions were written. Sometimes it felt like I wasn’t sure what they were asking. They want you to think and apply, not just regurgitate information. LABce was very helpful for narrowing down my weaknesses then I used wordsology to develop. I also go the polansky cards and reviewed them every day.

  19. najeebullah says:

    I am going to take Ascp MLS exame

  20. Hagewoodl says:

    Is there anyway you would share your flash cards you made? Hagewoodl@aol.com. Thank you!

  21. Jho-Ann says:

    ASCP RECALLS 2018 hi!sorry for the late post..here are my recalls..thank you so much to this site!! i passed my ASCP last march 21,2018
    1. Butcher’s Cut – Erysipelothrix rhusiopathiae

    2. Transudates are usully – Non – inflammatory

    3. Broad base budding pic – Blastomyces

    4. Peripheral blood smear: full of stomatocytes, cause of – Liver disease

    5. ANA shows speckled pattern
    Anti- SM: Negative
    Anti-RNP: Negative
    Anti-ds-DNA: Negative
    Anti SSa, SS-b: Positive
    Answer: Sjogren’s syndrome

    6. 3 tubes negative to AHG. When check cell is added still negative. Error: – Serum was omitted from the reaction

    7. AHG 3+ 3+
    After auto adsorption, the result becomes 2+ AHG. What to do next? – Ab identification with enzyme

    8. RBC: 3.9
    Hct: 33%
    Hgb: 12.5, Error? – Lipemic

    9. FBS – 120 OGTT – 140 – Impaired Glucose

    10. Anti -A 4+; Anti-B 4+; A cell2+; B cell 2+ – Cold reactive antibody, warm the serum

    11. Anti-mitochondrial – Primary biliary cirrhosis

    12. Primidone – Phenobarbital

    13. Ingestion of moth balls – Heinz bodies

    14. Cat scratch disease – Bartonela henselae

    15. Gram positive bacilli; non-motile; non-hemolytic; catalase positive; spore-former – Bacillus anthracis

    16. PBS photo; RBC clumping – Cold reactive Ab

    17. Rapid test for Legionella pneumophilia – Urine Antigen

    18. Glucose strip (+); Clinitest (-) – Presence of glucose

    19. Anti-IgG (-); C3d (+) – Pre-warm

    20. Blastoconidia – Mother and baby budding

    21. Streptokinase therapy – D-dimer

    22. No trophozoite and schizont – Plasmodium falciparum

    23. Cocci in chains, bile esculin (+); Catalase (-); no growth in 6.5 NaCl% – Streptococcus bovis

    24. Differentiate Pseudomonas aeruginosa from Pseudomonas putida – Growth at 42 C

    25. Hair baiting test – T.rubrum and T. mentagrophytes

    26. EPO below normal – Polycythemia vera

    27. Normal PTH; Increased calcium – Metastatic carcinoma

    28. Normal WBC; retics 0.1% – Pure red cell aplasia

    29. Echinocytes – Overly dried smear

    30. Warfarin toxicity – Vitamin K

    31. Picture of ANA staining pattern Centromere – CREST

    32. 18% reticulocytes were observed on a Wright stained smear. What should you do next? – Prussian Blue staining
    33. SsU antibodies appear in the presence of following deletion sequence – GYPB

    34. Latex agglutination for Staphylococcus aureus detects – Protein A and clumping factor

    35. Positive control for anti-c and negative control for anti-Fya (Polansky)

    36. Lupus anticoagulant causes- Thrombosis

    37. Cause of error in ABO typing – Positive to DAT

    38. Anti-A: 0
    Anti-B: + (mf)
    A cells: +
    B cells: 0 – Bx group

    39. Hba1c – RBC life span

    40. Burr cells – Uremia

    41. Antibody panel – Lewis Antibody (adsorbed by plasma)

    42. Lab results: Sodium-low; all other analytes are within normal range. What to do? – Measure indirect Na using ISE

    43. False decrease in ESR- 8 hr delay in set up

    44. Specimen for rotavirus – Stool

    45. Prolonged apnea, anaesthetized by succinylcholine, the enzyme responsible for the reaction is? – Pseudocholinesterase

    46. Result consistent with Cushing’s syndrome – Hyperglycemia

    47. Pink colonies on MAC; LOA -++; Indole Negative; Citrate Positive – Enterobacter cloacae

    48. CSF should be stored for subsequent culture at? – Incubate at 35C

    49. Reactive Monocytosis – Tuberculosis

    50. What test should be run in patient with obstructive jaundice with pancreatic mass – CA 19-9

    51. Walking pneumonia treated with penicillin still no improvement – Have no cell wall

    52. After several weeks of pharyngitis what can be found in kidney biopsy? – Streptococcus pyogenes

    53. TSI A/A oxidase positive, isolated in wound? – Aeromonas

    54. After spinning of citrated tube the medical technologists noted that the blood sample was not up to the desired mark line, hematocrit was 70%, What should be done? – Decrease anticoagulant

    55. Carbon dioxide ion selective electrode measure – Carbon dioxide pressure

    56. pH measurement needs – pH with known buffer at constant temperature

    57. Deteriorates upon storage – P

    58. A patient suspected of DM, FBS= 137, 2hr PPBS = 225. What to do next – No further testing needed patient has DM

    59. Sample of β€œadrenal” cushing syndrome? – TSH decrease, Cortisol increase

    60. Sezary syndrome – T cell lymphoproliferative

    61. Deferred donor – Hepatitis immunoglobulin 6 months ago

    62. Leukocyte esterase (+) but in microscopic exam no WBC seen. What is the cause? – Lysed WBC

    63. Post-partum A negative mother gave birth to her first born O positive baby. Mother has no anti-D in her serum. What should the technologist do next? – Give the mother Rhogam

    64. Bile esculin (+); 6.5% NaCl; PYR (-); LAP (-) – Leuconostoc

    65. Out of 6 donor units there is 1 unit that is incompatible. What is the possible reason? – Donor unit may have positive DAT

    66. Hemolytic Anemia – Increased unconjugated bilirubin and urobilinogen

    67. Pre-eclampsia analyte to be monitored – Magnesium

    68. 1.000 Β± 000.6 on pipette indicates? – Calibration

    69. Table with PT and APTT results run in duplicate. PT correlates, APTT does not. What to do next? – Replace APTT reagent

    70. Cause of serum turbidity after meal – Lipoproteins

    71. ABO discrepancies

    72. Rhogam computation

    73. Corrected WBC count

    74. Osmolality

    75. Antibody panel

    76. Western blot

    77. Blood pictures

    78. Study hard!!!!

  22. Yza says:

    Hi! Where can i find the newest recalls? I’ll be taking mine in 2 weeks.. ive tried the exam recalls page but the latest i could see is 2017. Please help! Thank you! ☺️

    • MTD says:

      hi, how was your exam?? did you manage to find any recalls

      • Yza says:

        Hi! I passed my exam! Yes! I got 50% recalls!

      • MTD says:

        can you share any hematology ones here please?

      • Yza says:

        Hi Sorry been very busy lately.


        1.) Blood Agglutination was noted what would the MLS do to differentiate it from Rouleaux? – dilute with Normal Saline
        2.) Picture of Burr cell what disease is indicated? – Uremia
        3.) Picture of Protein Electrophoresis
        ( Albumin=Normal , Alpha 2 = decrease) – Nephrotic syndrome
        4. Picture of Stomatocyte – Liver disease
        5.) Picture of Auer Rod -AML
        6.) Presence of Teardrop cell in PBS – DNA
        7.) Cold agglutinin – Mycopasma Pneumonie ( Ask twice)
        8.) precipitation of ribosomes and RNA – basophilic stippling
        9.) irreversible step in platelet aggregation – Release of ADP
        10.) Picture of overly dried smear it looks like uremia something like that- i answered Faulty drying of smear
        11.) computation for % saturation
        Serum iron + UIBC = TIBC
        Serum Iron /TIBC multiply by 100 (correct me if im wrong πŸ™‚ )
        12.) i have 2 panels for immunohematology one of them i answered = glycolipid absorbed by plasma
        13.) lots of coagulation for example :
        Prolonged PT, Prolonged APTT , prolonged fibrinogen something like that – i answered Acute DIC
        14.) false decrease ESR -delay in Set up
        15.) Measurement of Specific IgE – RAST
        16.)Patient Diagnose with walking pneumoniae no signs of improvement – organism ha no cell wall
        17.) specific gravity is 1.010 and glucose is 1000mg/dl what will you do? Correct specific gravity due to high glucose
        18.) Anti centromere antibody- scleroderma with CREST
        19.)Bile hydrolysis pos, NacL pos, PYR neg – S. Bovis/gallolyticus
        20.) Cat scratch – bartonella henselae
        21.) cat bite – P. Multocida
        22.) Differentiate P.aureginosa from P. Multocida – growth @ 42 degree C
        23.) In wright’s stain you see 18% retics what to do? -use heinz body stain
        24.) Decrease iron and decrease TIBC – Anemia of chronic disease
        25.) HBa1c is affected by – RBC life span
        26.) Hemolytic anemia – Inc. Unconjugated bilirubin
        Inc. Urobilinogen , Normal Urine bilirubin
        27.) hair baiting test differentiates – T.mentagrophytes and T.rubrum
        28.)plasmodium species that has no merozoites or tropozoites – P.falciparum
        29.) HIV 1 & 2 confirmatory test- Western blot
        30.) Coagulation: Extrensic Pathway monitor PT
        31.) Heparin – APTT
        32.) PT, APTT, TT increase + uncorrectwd mixing studies – Do reptilase time
        33.) Deteriorates easily on storage – Anti-P
        34.) Specimen for Rotavirus – Stool
        35.) Jaundiced with Pancreatic Mass – CA-19-9
        36.) low ACTH , High Cortisol- Cushing Syndrome
        37.)CSF should be stored for subsequent culture at what temp? – 35 degree celcius
        38.) They give me a situation where they give the value for rbc,wbc, some cast RTE 20-25. All i know is that if RTE is increase it’s – TuBular Necrosis
        39.) olive oil – Malezia furfur
        40.) BUN urease method measure -NAD
        41.) Sodium is low and osmolarity is normal – Measure indirect Sodium using ISE

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