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ASCP BOARD OF CERTIFICATION MLT EXAM REVIEW QUESTIONS AND ANSWERS WITH SOLUTIONS 2024 $14.49   Add to cart

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ASCP BOARD OF CERTIFICATION MLT EXAM REVIEW QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

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ASCP BOARD OF CERTIFICATION MLT EXAM REVIEW QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

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  • August 11, 2024
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  • ASCP CERTIFICATION
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ASCP BOARD OF CERTIFICATION MLT
EXAM REVIEW QUESTIONS AND
ANSWERS WITH SOLUTIONS 2024
Nephelometry is based on the principle of: - ANSWER Turbidity resulting from specific antigen-coated
latex particles agglutinated by corresponding antibody



Which of the following can cause hemolysis and perhaps result in recollection of the specimen? -
ANSWER Pushing the plunger of a syringe when transferring blood into vacuum tubes.



A manual white blood cell count was performed by the hematology technologist. The cell counts for
both sides were 99 and 164, respectively. All nine large squares were counted on each side. The dilution
for this kit was pre-measured at 1:100. What should the technologist report as the white cell count? -
ANSWER Cannot report



When comparing the white cell counts from one side of the hemacytometer to the other, there is not
good duplication. Cell counts from opposite sides of the hemacytometer (within the same patient
sample) that are greater than 10% of one another are considered discrepant and should not be used to
calculate reportable results. This particular count should not be used to report patient results.



The RBC inclusions shown in the photograph represent which of the following? - ANSWER Howell-Jolly
bodies



Howell-Jolly bodies are usually single, round, and tend to be positioned at the periphery of the red blood
cell. These inclusions are rarely found on a routine peripheral blood smear, as they are usually removed
by a functioning spleen. Howell-Jolly bodies appear in megaloblastic anemias and after splenectomy.



Which of the following tests would be employed in order to detect neural tube defects? - ANSWER Alpha
fetoprotein



Alpha-fetoprotein is a protein measured in pregnant women, using maternal blood or amniotic fluid, as a
screening test for a subset developmental abnormalities: it is principally increased in open neural tube
defects and decreased in Down syndrome.

,A patient has the following serum results:

Na = 130 mEq/LK = 4.9 mEq/LCl = 107 mEq/LGlucose = 300 mg/dLBUN = 18 mg/dLCreatinine = 1.1 mg/dL

Which osmolality result is consistent with these results?. - ANSWER 281 mosmol/kg



Osmolality = 2 x Na + [Glucose (mg/dL) / 20] + [BUN (mg/dL)/ 3]



A liquid ion-exchange membrane electrode using the antibiotic valinomycin is MOST selective for: -
ANSWER Potassium



The valinomycin membrane electrode is most selective for potassium as opposed to sodium, glucose, or
chloride which utilize different membranes for their respective electrodes. Valinomycin, which is neutral
in charge, has been incorporated into organic liquid membranes resulting in a sensor with a very high
selectivity for potassium.



What should safety management start with in order to ensure clarity and consistency? - ANSWER A
written safety policy



Which of the following statements about high-frequency antigens is correct? - ANSWER High-frequency
antigens are common, but it is difficult to identify their corresponding antibodies.



An adult's plasma cortisol of 22 µg/dL at 8:00 a.m. and 10 µg/dL at 4:00 p.m. would be: - ANSWER Found
in a healthy individual



Normal levels: 5-23 µg/dL at 8:00 a.m.

3-16 µg/dL at 4:00 p.m.

<50% of 8:00 a.m. values at 8:00 p.m.



A peripheral smear demonstrates a population of red cells that are mostly 5 - 5.5 µm in diameter. The
CBC data shows RDW of 13% (reference range 11.5-14.5%). Which of the following morphologies is
consistent with these findings? - ANSWER Microcytosis, low variation of cell volume

, Select the primary reagent components used in the Jaffe reaction for creatinine. - ANSWER Saturated
picric acid and sodium hydroxide



Which of the following are markers currently used to differentiate heart failure from lung disease? -
ANSWER BNP and NT-proBNP



Which of the following is a selective medium for Campylobacter jejuni? - ANSWER Skirrow agar



Which Lewis antigen(s) would be detected when phenotyping the red cells of an adult who has the Le,
Se, and H genes? - ANSWER Leb



The Se gene codes for the enzyme, a-2-L-fucosyltransferase, which adds L-fucose to the type 1 precursor
H (type 1). The Le gene codes for another L-fucose which forms the Leb antigen.



Illustrated in the top photograph are acid-fast bacilli as they may appear in acid-fast stains prepared from
a direct mount of infected tissue. These acid fast bacilli are thin, slightly curved, red-pigmented and
beaded. The acid fast bacilli, as illustrated in the bottom photograph, aggregate in serpentine chords in
stained mounts prepared from colonies growing on agar. From these observations, select the
presumptive identification of this mycobacterium. - ANSWER Mycobacterium tuberculosis



The predominant cells seen on the CSF smear in this illustration are indicative of: - ANSWER Bacterial
meningitis



A newborn presents with neonatal alloimmune thrombocytopenia. What is the most likely cause of this
condition? - ANSWER Maternal antibodies to neonatal platelet antigens



A lipid panel consists of which of the following tests? - ANSWER Cholesterol, Lipoprotein, HDL,
Triglycerides



Antibodies of which of the following immunoglobulin subclasses is predominantly associated with the
secondary antibody response? - ANSWER IgG

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