Hematology Actual Questions and Correct Answers
Q1
What is hematopoiesis?
Answer: The formation of cellular components in blood, renewing approximately 200
billion cells per day.
Q2
Where do hematopoietic stem cells differentiate into blood components?
Answer: In the medulla of bone.
Q3
What are essential nutrients for hematopoiesis?
Answer: Iron, vitamin B12, folic acid, and hematopoietic growth factors.
Q4
What is anemia?
Answer: Decreased circulating red blood cells or reduced hemoglobin concentration in
blood.
Q5
What are the primary symptoms of anemia?
Answer: Pallor, fatigue, and dizziness.
Q6
What are the primary causes of anemia?
Answer: Hemorrhage, impaired hematopoiesis, and hemolysis.
Q7
What is deficiency anemia?
Answer: Anemia caused by a deficiency in iron, vitamin B12, or folic acid.
, Q8
What is hemolytic anemia?
Answer: Anemia caused by the lysis of red blood cells, such as in sickle cell anemia.
Q9
What is the role of erythropoiesis-stimulating agents?
Answer: To stimulate red blood cell differentiation and production.
Q10
Name two erythropoiesis-stimulating agents.
Answer: Erythropoietin (EPO) and darbepoetin alfa.
Q11
What is the mechanism of action of erythropoietin?
Answer: Promotes differentiation of red blood cells in the bone marrow via JAK/STAT
cytokine receptors.
Q12
What are common adverse effects of erythropoiesis-stimulating agents?
Answer: Hypertension, headache, and increased risk of serious cardiovascular events.
Q13
What are myeloid growth factors used for?
Answer: To stimulate the maturation of myeloid precursor cells.
Q14
Name two myeloid growth factors.
Answer: Filgrastim (G-CSF) and sargramostim (GM-CSF).
Q1
What is hematopoiesis?
Answer: The formation of cellular components in blood, renewing approximately 200
billion cells per day.
Q2
Where do hematopoietic stem cells differentiate into blood components?
Answer: In the medulla of bone.
Q3
What are essential nutrients for hematopoiesis?
Answer: Iron, vitamin B12, folic acid, and hematopoietic growth factors.
Q4
What is anemia?
Answer: Decreased circulating red blood cells or reduced hemoglobin concentration in
blood.
Q5
What are the primary symptoms of anemia?
Answer: Pallor, fatigue, and dizziness.
Q6
What are the primary causes of anemia?
Answer: Hemorrhage, impaired hematopoiesis, and hemolysis.
Q7
What is deficiency anemia?
Answer: Anemia caused by a deficiency in iron, vitamin B12, or folic acid.
, Q8
What is hemolytic anemia?
Answer: Anemia caused by the lysis of red blood cells, such as in sickle cell anemia.
Q9
What is the role of erythropoiesis-stimulating agents?
Answer: To stimulate red blood cell differentiation and production.
Q10
Name two erythropoiesis-stimulating agents.
Answer: Erythropoietin (EPO) and darbepoetin alfa.
Q11
What is the mechanism of action of erythropoietin?
Answer: Promotes differentiation of red blood cells in the bone marrow via JAK/STAT
cytokine receptors.
Q12
What are common adverse effects of erythropoiesis-stimulating agents?
Answer: Hypertension, headache, and increased risk of serious cardiovascular events.
Q13
What are myeloid growth factors used for?
Answer: To stimulate the maturation of myeloid precursor cells.
Q14
Name two myeloid growth factors.
Answer: Filgrastim (G-CSF) and sargramostim (GM-CSF).