AAB MT Final Competency Certification Study Guide Exam
Questions with Certified for Accuracy Answers 2025/2026
A blood smear shows 80 nucleated red blood cells per 100 leukocyted. The
total leukocyte count is 18.0x10^9/L. What is the corrected WBC count -
correct answer 10.0
Which reagent is the fixative incorporated in the Wright's stain - correct
answer METHANOL
How can the color of Wright-stained red blood cells be adjusted - correct
answer ADJUSTING THE pH OF THE BUFFER
Malarial parasites in red blood cells are best demonstrated by which stain -
correct answer GIEMSA
Which of the following RBC inclusions is NOT visible with wright stain -
correct answer HEINZ BODIES
Which on of the following is a stain for iron - correct answer PRUSSIAN
BLUE
In which special cytochemical stain are homogeneously pink cells counted as
positive - correct answer Kleihauer-Betke stain
Which one of the following stains both nonspecific and specific granules in
myelogenous cells - correct answer SUDAN BLACK B
,In the cytochemical stain for peroxidase, which cell stains negative - correct
answer LYMPHOCYTES
The results on a leukemic patient are as follows: alpha-naphthol-AS-D-acetate
esterase (NASDA) 3+ NASDA with sodium fluoride (NaF) 1+: The results are
suggestive of which type of leukemia - correct answer ACUTE
MYELOMONOCYTIC LEUKEMIA OR AMML
In which leukemia are the blasts periodic acid-schiff (PAS) stain positive -
correct answer ALL
Which of the following is a stain for neutral lipids - correct answer OIL RED O
Which stain is used to differentiate chronic myelogenous leukemia (CML) from
a leukmoid reaction - correct answer LEUKOCYTE ALKALINE
PHOSPHATASE
What stainis positive for hairy cell leukemia - correct answer ACID
PHOSPHATASE
What is the most reliable criterion for the estimation of a cell's age - correct
answer NUCLEAR CHROMATIN
what is the last red blood cell precursor to retain the nucleus before it
becomes an erythrocyte - correct answer METARUBROCYTE
Which peripheral smear finding is consistent with reticulocytosis - correct
answer POLYCHROMATOPHILIA
,What is the life span of an erythrocyte - correct answer 3 months<<<<<<
typo should be 4 months
All of the following are indictations of anemia EXCEPT which one - correct
answer DECREASED PLT
Which of the following patient's labs results are not consistant with anemia -
correct answer TODDLER:HBG 12.5
The following results were obtained from a CBC specimen: WBC 10.3, RBC
4.19, HBG 9.9, HCT 27, MCV 95, MCH 33.2, MCHC 33.1: What is the most
probable cause of these results - correct answer ANEMIA
To calculate the mean corpuscular volume (MCV), what parameters must be
known - correct answer RBC and HCT
Given the following lab results: RBC 3.01, HGB 9.4, HCT 27.5, what is the
calculated MCH - correct answer 31.2
What is the reference range for the mean corpuscular hemoglobin
concentration - correct answer 32%-36%
Which CBC parameter is a numerical expression of anisocytosis - correct
answer RDW
What is the abnormal variation in the size of erythrocytes known as - correct
answer ANISOCYTOSIS
, Which determination is concidered a reliable assessment of effective
erythropoiesis in the bone marrow - correct answer RETICULOCYTE
COUNT
To calculate the reticulocyte production index, other than the reticulocyte
count (%), what other hematological parameter is needed - correct answer
HCT
What are erythrocytes with a diameter of 9 to 12 microns referred to as -
correct answer MACROCYTES
What causes the red cell color of immature erythrocytes to appear
polychromatophilic - correct answer RESIDUAL RNA
What is abnormal variation in the shape of the erythrocytes known as -
correct answer POIKLOCYTOSIS
What does the peripheral blood smear show in a patient with iron deficiency
anemia - correct answer MICROCYTIC,HYPOCHROMIC CELLS WITH
POIKLOCYTOSIS PRESENT
Which on of the following is a characteristic finding in iron deficiency anemia -
correct answer LOW FERRITIN, LOW IRON, HIGH TIBC, HIGH
TRANSFERRIN
Which red blood cell shows peripheral rim of hemoglobin with a dark staining
central area - correct answer LEPTOCYTE
Targert cells are present in all of the following conditions EXCEPT which one -
correct answer MYELOFIBROSIS
Questions with Certified for Accuracy Answers 2025/2026
A blood smear shows 80 nucleated red blood cells per 100 leukocyted. The
total leukocyte count is 18.0x10^9/L. What is the corrected WBC count -
correct answer 10.0
Which reagent is the fixative incorporated in the Wright's stain - correct
answer METHANOL
How can the color of Wright-stained red blood cells be adjusted - correct
answer ADJUSTING THE pH OF THE BUFFER
Malarial parasites in red blood cells are best demonstrated by which stain -
correct answer GIEMSA
Which of the following RBC inclusions is NOT visible with wright stain -
correct answer HEINZ BODIES
Which on of the following is a stain for iron - correct answer PRUSSIAN
BLUE
In which special cytochemical stain are homogeneously pink cells counted as
positive - correct answer Kleihauer-Betke stain
Which one of the following stains both nonspecific and specific granules in
myelogenous cells - correct answer SUDAN BLACK B
,In the cytochemical stain for peroxidase, which cell stains negative - correct
answer LYMPHOCYTES
The results on a leukemic patient are as follows: alpha-naphthol-AS-D-acetate
esterase (NASDA) 3+ NASDA with sodium fluoride (NaF) 1+: The results are
suggestive of which type of leukemia - correct answer ACUTE
MYELOMONOCYTIC LEUKEMIA OR AMML
In which leukemia are the blasts periodic acid-schiff (PAS) stain positive -
correct answer ALL
Which of the following is a stain for neutral lipids - correct answer OIL RED O
Which stain is used to differentiate chronic myelogenous leukemia (CML) from
a leukmoid reaction - correct answer LEUKOCYTE ALKALINE
PHOSPHATASE
What stainis positive for hairy cell leukemia - correct answer ACID
PHOSPHATASE
What is the most reliable criterion for the estimation of a cell's age - correct
answer NUCLEAR CHROMATIN
what is the last red blood cell precursor to retain the nucleus before it
becomes an erythrocyte - correct answer METARUBROCYTE
Which peripheral smear finding is consistent with reticulocytosis - correct
answer POLYCHROMATOPHILIA
,What is the life span of an erythrocyte - correct answer 3 months<<<<<<
typo should be 4 months
All of the following are indictations of anemia EXCEPT which one - correct
answer DECREASED PLT
Which of the following patient's labs results are not consistant with anemia -
correct answer TODDLER:HBG 12.5
The following results were obtained from a CBC specimen: WBC 10.3, RBC
4.19, HBG 9.9, HCT 27, MCV 95, MCH 33.2, MCHC 33.1: What is the most
probable cause of these results - correct answer ANEMIA
To calculate the mean corpuscular volume (MCV), what parameters must be
known - correct answer RBC and HCT
Given the following lab results: RBC 3.01, HGB 9.4, HCT 27.5, what is the
calculated MCH - correct answer 31.2
What is the reference range for the mean corpuscular hemoglobin
concentration - correct answer 32%-36%
Which CBC parameter is a numerical expression of anisocytosis - correct
answer RDW
What is the abnormal variation in the size of erythrocytes known as - correct
answer ANISOCYTOSIS
, Which determination is concidered a reliable assessment of effective
erythropoiesis in the bone marrow - correct answer RETICULOCYTE
COUNT
To calculate the reticulocyte production index, other than the reticulocyte
count (%), what other hematological parameter is needed - correct answer
HCT
What are erythrocytes with a diameter of 9 to 12 microns referred to as -
correct answer MACROCYTES
What causes the red cell color of immature erythrocytes to appear
polychromatophilic - correct answer RESIDUAL RNA
What is abnormal variation in the shape of the erythrocytes known as -
correct answer POIKLOCYTOSIS
What does the peripheral blood smear show in a patient with iron deficiency
anemia - correct answer MICROCYTIC,HYPOCHROMIC CELLS WITH
POIKLOCYTOSIS PRESENT
Which on of the following is a characteristic finding in iron deficiency anemia -
correct answer LOW FERRITIN, LOW IRON, HIGH TIBC, HIGH
TRANSFERRIN
Which red blood cell shows peripheral rim of hemoglobin with a dark staining
central area - correct answer LEPTOCYTE
Targert cells are present in all of the following conditions EXCEPT which one -
correct answer MYELOFIBROSIS
