Latest Release!!! Medical Laboratory Science Review - Harr – Hematology Question and Answers [100% Correct] 2024/2025
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Course
Hematology
Institution
Hematology
Latest Release!!! Medical Laboratory
Science Review - Harr – Hematology
Question and Answers [100% Correct]
2024/2025
What is the expected hemoglobin level in patients with iron deficiency anemia?
Lower than normal
What is the role of erythropoietin in red blood cell production?
a)...
Latest Release!!! Medical Laboratory
Science Review - Harr – Hematology
Question and Answers [100% Correct]
2024/2025
What is the expected hemoglobin level in patients with iron deficiency anemia?
Lower than normal
What is the role of erythropoietin in red blood cell production?
a) It stimulates red blood cell production.
b) It stimulates white blood cell production.
c) It regulates platelet formation.
d) It is involved in hemostasis.
Which staining method is used to confirm the presence of Heinz bodies in a blood smear?
Supravital staining
When performing a differential count, what does the presence of increased basophils typically indicate?
a) Viral infection
b) Allergic reaction
c) Chronic myeloid leukemia
d) Autoimmune disorder
What is the primary function of platelets in the body?
They are involved in blood clotting and hemostasis.
What abnormal red cell morphology is commonly seen in a patient with hereditary spherocytosis?
1
,a) Target cells
b) Spherocytes
c) Teardrop cells
d) Schistocytes
Which of the following conditions is associated with an elevated reticulocyte count?
Hemolytic anemia
Which protein is responsible for the oxygen-carrying capacity of red blood cells?
a) Albumin
b) Fibrinogen
c) Hemoglobin
d) Myoglobin
Which type of anemia is caused by a deficiency in vitamin B12?
a) Iron deficiency anemia
b) Sickle cell anemia
c) Hemolytic anemia
d) Pernicious anemia
Describe the expected laboratory findings in a patient with aplastic anemia.
Pancytopenia with hypocellular bone marrow
In a case of multiple myeloma, what abnormality would you expect to see on serum protein
electrophoresis?
A monoclonal spike (M-spike)
What is the typical lifespan of a normal red blood cell in circulation?
a) 60 days
2
,b) 90 days
c) 120 days
d) 150 days
In which condition would you typically find hypersegmented neutrophils?
a) Megaloblastic anemia
b) Iron deficiency anemia
c) Hemolytic anemia
d) Thalassemia
A patient presents with elevated white blood cell count, including numerous immature granulocytes.
What is the most likely diagnosis?
Chronic myeloid leukemia (CML)
What is the cause of sickle cell disease?
a) Iron overload
b) A mutation in the hemoglobin beta gene
c) Vitamin B12 deficiency
d) Bone marrow suppression
Which of the following factors is involved in the extrinsic pathway of coagulation?
Factor VII
In which of the following conditions is a low Mean Corpuscular Volume (MCV) typically observed?
a) Megaloblastic anemia
b) Leukemia
c) Iron deficiency anemia
d) Hemolytic anemia
3
, What type of white blood cell is most commonly associated with allergic reactions?
Eosinophils
In a patient with thalassemia major, which of the following hemoglobin types would you expect to be
reduced or absent?
a) HbA2
b) HbF
c) HbH
d) HbA
Explain why Howell-Jolly bodies may be present in a patient’s red blood cells.
They are remnants of DNA typically seen after splenectomy or in cases of asplenia.
What lab finding is characteristic of Disseminated Intravascular Coagulation (DIC)?
a) Decreased D-dimer levels
b) Elevated platelet count
c) Prolonged PT and aPTT
d) Increased hemoglobin concentration
Which hematologic condition is characterized by an overproduction of red blood cells, often due to a
mutation in the JAK2 gene?
Polycythemia vera
In iron deficiency anemia, which laboratory result is typically decreased?
a) Reticulocyte count
b) Serum ferritin
c) Total iron-binding capacity (TIBC)
d) Hemoglobin A2
4
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