BOC HEMATOLOGY QUIZ BANK 2022/2023 WITH COMPLETE

BOC HEMATOLOGY QUIZ BANK 2022/2023 WITH
COMPLETE
What is the sequence of maturity for the erythrocyte?
A) Rubriblast, prorubricyte, metarubricyte, rubricyte, reticulocyte, erythrocyte
B) Prorubricyte, rubriblast, metarubricyte, reticulocyte, erythrocyte, rubricyte
C) Metarubricyte, rubriblast, reticulocyte, erythrocyte, prorubricyte, rubricyte
D) Rubricyte, metarubricyte, rubriblast, erythrocyte, reticulocyte, prorubricyte
E) Rubriblast, prorubricyte, rubricyte, metarubricyte, reticulocyte, erythrocyte
E
What is the average diameter of a normal erythrocyte?
A) 3-5 µm
B) 2-4 µm
C) 8-10 µm
D) 7-8 µm
E) None of the above
D
The sequence of maturity of the mature neutrophil is:
A) Myeloblast, promyelocyte, myelocyte, metamyelocyte, band neutrophil,
segmented neutrophil
B) Myeloblast, promyelocyte, metamyelocyte, myelocyte, band neutrophil,
segmented neutrophil
C) Myeloblast, promyelocyte, band neutrophil, metamyelocyte, myelocyte,
segmented neutrophil
D) Myeloblast, myelocyte, promyelocyte, metamyelocyte, band neutrophil,
segmented neutrophil
E) None of the above
A
What characteristics are helpful in the identification of monocytes?
A) Gray-blue cytoplasm
B) Digestive vacuoles
C) Lacy, delicate chromatin and indented nucleus
D) "Ground-glass" appearance of cytoplasm with evenly distributed fine granules
E) All of the above
E
The lymphoblast can be identified morphologically by what characteristics?
A) Small round nucleus, basophilic cytoplasm, nucleoli
B) Large round nucleus, basophilic cytoplasm, no nucleoli
C) Small eccentric nucleus, basophilic cytoplasm, nucleoli
D) Large round nucleus, basophilic cytoplasm, nucleoli
E) None of the above
D
What is the main function of the bone marrow?
A) To provide oxygenated cells to the tissues
B) Self-renewal of stromal cells

,C) To maintain a steady supply of mature hematopoietic cells to circulation
D) To regulate iron storage and transfer
E) None of the above
C
The most appropriate site for a successful bone marrow aspiration in an adult
patient would be:
A) Calvariae
B) Scapula
C) Iliac crest
D) Long bones
E) None of the above
C
Which cells have the two unique biologic characteristics of self-renewal and
multilineage differentiation?
A) Pronormoblasts
B) Stem cells
C) Myeloblasts
D) Lymphoblast
E) Eosinophil
B
How is iron stored in the bone marrow?
A) Hemosiderin
B) Transferrin
C) Ferritin
D) Erythropoietin
E) None of the above
B
Which of the following abnormal RBC morphologies is associated with
abetalipoproteinemia?
A) Schistocytes
B) Target cells
C) Spherocytes
D) Acanthocytes
E) None of the above
D
Which of the following abnormal RBC morphologies is associated with liver
disease?
A) Schistocytes
B) Target cells
C) Spherocytes
D) Acanthocytes
E) None of the above
B
Normal hemoglobin production is dependent upon which of the following
processes?
A) Adequate globin synthesis

,B) Adequate iron delivery and supply
C) Adequate synthesis of protoporphyrins
D) All of the above
E) None of the above
D
What is the normal lifespan of the RBC in circulation?
A) 60 days
B) 12 days
C) 120 days
D) 80 days
E) None of the above
C
Normal adult hemoglobin A consists of:
A) Two alpha chains
B) Two beta chains
C) Four heme groups
D) All of the above
E) None of the above
D
The storage form of iron is termed:
A) Haptoglobin
B) Ferritin
C) Transferrin
D) Hemopexin
E) None of the above
B
Which of the following is the transport protein for iron?
A) Haptoglobin
B) Ferritin
C) Transferrin
D) Hemopexin
E) None of the above
C
In the fetus, the majority of the hemoglobin is __________.
A) HbA
B) HbA2
C) HbF
D) None of the above
E) All of the above
C
Which of the following are abnormal hemoglobins that cannot transport or deliver
oxygen?
A) Carboxyhemoglobin
B) Methemoglobin
C) Sulfhemoglobin

, D) All of the above
E) None of the above
D
Decreased cellular deformability leads to:
A) Increased RBC survival
B) No change in RBC survival
C) Decreased RBC survival
D) Normal RBC survival
E) None of the above
C
What hemoglobin value would support the diagnosis of severe anemia?
A) 7-10 g/dL
B) 12-14 g/dL
C) <7 g/dL
D) 14-16 g/dL
E) None of the above
C
Polychromasia on the peripheral smear represents an increase in what cell and is
a measure of the bone marrow's ability to replace red cells which have been
destroyed?
A) Pronormoblast
B) Reticulocyte
C) Basophilic normoblast
D) Orthochromic normoblast
E) None of the above
B
A patient's hemoglobin is 12 g/dL. What would you expect the hematocrit to be?
A) 36%
B) 33%
C) 42%
D) 39%
E) None of the above
A
Calculate the MCV, given the following parameters: hematocrit = 36%, RBC count
= 4.0 x 10^6/uL
A) 70 fL
B) 80 fL
C) 85 fL
D) 90 fL
E) None of the above
D
A patient with a vitamin B12 deficiency might have an anemia classified as:
A) Macrocytic/normochromic
B) Microcytic/normochromic
C) Normocytic/normochromic