Factors Affecting RBC and WBC Production

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Questions and Answers

What stimulates the production of red blood cells in the bone marrow?

  • Vitamin B12
  • Erythropoietin (EPO) (correct)
  • Iron deficiency
  • Low oxygen levels

What is essential for hemoglobin synthesis and can lead to decreased RBC production if deficient?

  • Vitamin B12
  • Folate
  • Iron Availability (correct)
  • Bone Marrow Health

What is crucial for DNA synthesis during RBC maturation and can result in impaired RBC production if deficient?

  • Oxygen Levels
  • Erythropoietin (EPO)
  • Colony-Stimulating Factors (CSFs)
  • Vitamin B12 and Folate (correct)

What stimulates the release of EPO, promoting erythropoiesis in response to low oxygen levels?

<p>Hypoxia (A)</p> Signup and view all the answers

What is critical for the production of red blood cells?

<p>Bone Marrow Health (A)</p> Signup and view all the answers

What stimulates the production of white blood cells?

<p>Colony-Stimulating Factors (CSFs) (B)</p> Signup and view all the answers

What can lead to leukocytosis?

<p>Infection (B)</p> Signup and view all the answers

What is the definition of thrombocytopenia?

<p>Low platelet count (B)</p> Signup and view all the answers

What may result in increased blood viscosity?

<p>Polycythemia (D)</p> Signup and view all the answers

What can influence the production and release of white blood cells from the bone marrow?

<p>Corticosteroids (D)</p> Signup and view all the answers

What is the normal range for hematocrit typically expressed as?

<p>% of blood that is cellular (C)</p> Signup and view all the answers

What may lead to decreased WBC production?

<p>Chronic hypoxia (D)</p> Signup and view all the answers

Flashcards

What is Erythropoietin (EPO)?

A hormone that stimulates red blood cell production in the bone marrow.

Why is Iron Availability important?

Essential for hemoglobin synthesis; deficiency leads to decreased RBC production.

Why are Vitamin B12 and Folate important?

Crucial for DNA synthesis during RBC maturation; deficiency impairs RBC production.

What is Hypoxia?

Low oxygen levels that stimulate the release of EPO, promoting erythropoiesis.

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Why is Bone Marrow Health critical?

The environment where blood cells are produced; its health is critical for RBC production.

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What are Colony-Stimulating Factors (CSFs)?

These stimulate the production of white blood cells.

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What is Leukocytosis?

An increase in the number of white blood cells.

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What is Thrombocytopenia?

A condition characterized by a low platelet count.

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What is Polycythemia?

A condition that may result in increased blood viscosity.

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What are Corticosteroids?

These can influence the production and release of white blood cells from the bone marrow.

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What is Hematocrit?

Expressed as a percentage, it is the proportion of blood volume occupied by cells.

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