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Questions and Answers
Which anatomical sites are involved in erythropoiesis?
Which anatomical sites are involved in erythropoiesis?
- Rubriblastic islands
- Macrophage islands
- Erythroblastic islands (correct)
- Normoblastic islands
What is the primary stimulus for the production of RBCs?
What is the primary stimulus for the production of RBCs?
- Macrophage stimulation
- Tissue hypoxia (correct)
- Erythroblastic island formation
- Normoblastic precursor production
Which series refers to the different stages of RBC maturation?
Which series refers to the different stages of RBC maturation?
- Erythroblastic series (correct)
- Rubriblastic series
- Normoblastic series
- Erythroid precursor series
Which precursor is the earliest recognizable RBC precursor?
Which precursor is the earliest recognizable RBC precursor?
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Which RBC maturation stage produces hemoglobin but is not detected in light microscopy?
Which RBC maturation stage produces hemoglobin but is not detected in light microscopy?
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Study Notes
Erythropoiesis
- Erythropoiesis occurs in the following anatomical sites: bone marrow, spleen, and liver (in the fetus)
- The primary stimulus for the production of RBCs is hypoxia (low oxygen levels)
RBC Maturation Stages
- The series of RBC maturation stages is referred to as erythropoiesis
- The earliest recognizable RBC precursor is the pronormoblast (or proerythroblast)
RBC Maturation Stage Characteristics
- The stage of RBC maturation that produces hemoglobin but is not detected in light microscopy is the normoblast (or erythroblast) stage
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