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Questions and Answers
Red blood cells make up almost 45% of the blood volume.
Red blood cells make up almost 45% of the blood volume.
True
All red blood cells have a nucleus.
All red blood cells have a nucleus.
False
Erythrocyte count is measured as the number of erythrocytes per milliliter of blood.
Erythrocyte count is measured as the number of erythrocytes per milliliter of blood.
False
Anemia is characterized by an increased RBC count.
Anemia is characterized by an increased RBC count.
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Physiological polycythemia can occur at high altitudes.
Physiological polycythemia can occur at high altitudes.
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Gentamicin and methyldopa are drugs that can decrease the number of red blood cells.
Gentamicin and methyldopa are drugs that can decrease the number of red blood cells.
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Males generally have a higher RBC count compared to females due to androgen and muscle mass.
Males generally have a higher RBC count compared to females due to androgen and muscle mass.
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Smokers typically have lower RBC counts than non-smokers.
Smokers typically have lower RBC counts than non-smokers.
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Polycythemia Vera is caused by hypoxia.
Polycythemia Vera is caused by hypoxia.
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Hydration is not an important factor in managing patients with high red blood cell counts.
Hydration is not an important factor in managing patients with high red blood cell counts.
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Secondary polycythemia may occur as a response to chronic lung disease.
Secondary polycythemia may occur as a response to chronic lung disease.
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Anemia refers to a decrease in the number of red blood cells, hemoglobin content, or both.
Anemia refers to a decrease in the number of red blood cells, hemoglobin content, or both.
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A normal reticulocyte count in men should be between 0.5% - 2.5%.
A normal reticulocyte count in men should be between 0.5% - 2.5%.
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Chemotherapy can lead to bone marrow suppression, resulting in lower RBC counts.
Chemotherapy can lead to bone marrow suppression, resulting in lower RBC counts.
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A high reticulocyte count indicates the bone marrow is not responding to the need for increased red blood cell production.
A high reticulocyte count indicates the bone marrow is not responding to the need for increased red blood cell production.
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Acute hemorrhage is one of the causes of lower than normal RBC counts.
Acute hemorrhage is one of the causes of lower than normal RBC counts.
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